Materials & Process for NDT Technology (ASNT Specific)

Lavender International: Product Technology Assessments: Module 3-1

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Product Technology: Materials & Process for NDT Technology (ASNT Specific)

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1. Products used in load carrying applications require more careful testing because? j Failure can cause loss of life k l m n

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j Failure can cause loss of use of the product k l m n j Failure can be expensive k l m n j Failure can cause danger to other structures k l m n j All the above k l m n

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2. Loads which are most likely to cause failure are? j Single direction k l m n j Multi directional k l m n j Duo directional k l m n

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j Pahse orientated k l m n 3. The general term for a local variation in material continuity is called? j A discontinuity k l m n j A defect k l m n j An indication k l m n j A crack k l m n 4. Where an unacceptable condition occurs in a material, due to local variations in material continuity the term given specifically to this is? j A discontinuity k l m n j A flaw k l m n j A defect k l m n j Any of the above k l m n 5. Which of the following could be considered a discontinuity? j Crack k l m n j Change of section k l m n j Drilled holed k l m n j All the above k l m n 6. The study and description of a material property related to analytical studies and testing attempts to

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quantify the toughness of a material is known as? j Fracture mechanics k l m n j Acceptance standards k l m n j Defect reliability k l m n j Defect analysis k l m n 7. A flaw which is deemed to be unacceptable standards is called? j A discontinuity k l m n j A defect k l m n j An indication k l m n j A blemish k l m n 8. Which of the following is NOT considered a mode of failure? j Fracture k l m n j Plastic deformation k l m n j Fatigue k l m n j Elastic deformation k l m n 9. Brittle fracture is most likely to occur? j At high temperatures k l m n j At low temperatures k l m n j Under cyclic loading k l m n j In a corrosive environment k l m n 10. NDT is generally not carried out on cast irons because? j Cast iron is inherently free from major defects k l m n j Due to the high carbon content cast iron can withstand high tensile stresses k l m n j It is generally used in applications where the loads are principally comprehensive k l m n j The low cost of cast iron cannot justify the high cost of NDT k l m n 11. To make by hand, machinery or by agency: To produce by labour and usally machinery, defines the? j Manufacturing process k l m n j Engineering process k l m n j Machinery process k l m n j Technology k l m n 12. Processing is one or more steps that change a Products? j Shape k l m n j Properties k l m n j Chemical analysis k l m n j Shape and Properties k l m n j All the above k l m n


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13. Changing a material's shape can be accomplished in which of the following states? j Solid k l m n j Liquid k l m n j Plastic k l m n j Solid and Liquid k l m n j All of the above k l m n 14. Which of the following is an example of reshaping? j Casting k l m n j Forging k l m n j Grinding k l m n j All of the above k l m n 15. The process of solidification during casting can be likened to that of the? j Forging process k l m n j Rolling process k l m n j Welding process k l m n j Extrusion process k l m n 16. Reshaping of a material whilst in a plastic or semi-solid form is called? j Casting k l m n j Rolling k l m n j Extrusion k l m n j All of the above k l m n j Rolling and Extrusion k l m n 17. Which of the following could be referred to as an engineering material? j Plastic k l m n j Concrete k l m n j Glass k l m n j All of the above k l m n 18. Which of the following properties of a material can be used to predict the deflection of a certain size beam under known loads? j Tensile strength k l m n j Elastic limit k l m n j Younges modules k l m n j Ductility k l m n 19. Which of the following must be considered when choosing an engineering material for a particular application? j Cost k l m n j Loading k l m n


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j Mechanical properties k l m n j Inspection costs k l m n j Any of the above k l m n 20. Which of the following could effect the properties of an engineering material? j Composition k l m n j Heat treated condition k l m n j Crystal structure k l m n j Composition and heat treated condition k l m n j Composition, heat treated condition and crystal strucure k l m n 21. Which of the following is classed as a chemical property? j Electrical conductivity k l m n j Thermal conductivity k l m n j Corrosion resistance k l m n j Machine resistance k l m n 22. Which of the following is classed as a Physical property? j Density k l m n j Conductivity k l m n j Melting point k l m n j All of the above k l m n 23. A test designed to determine a materials castability would be classified as looking for a? j Mechanical property k l m n j Physical property k l m n n Processing property j k l m j Chemical property k l m n 24. Internal forces acting upon imaginary planes cutting the body being loaded are? j Stresses k l m n j Pressures k l m n j Strain k l m n j Fatigues k l m n 25. A stress caused by forces at an angle to the plane is known as a? j Comprehensive stress k l m n j Tensile stress k l m n j Normal stress k l m n j Shear stress k l m n 26. A non-destructive test is usually classified as a? j Indirect test k l m n


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j Direct test k l m n j Destructive test k l m n j Indirect and direct test k l m n 27. If a material is loaded until its elastic limit is exceeded, what condition will occur? j The material may fracture k l m n j The material may be work hardened k l m n j The material will show no harmful effects k l m n j The material may fracture and the material may be work hardened k l m n 28. The ultimate strength of material is? j Lower than the breaking strength for ductile materials k l m n j Lower than the rupture strength for ductile materials k l m n j The same as the breaking strength for brittle materials k l m n j None of the above k l m n 29. The modulus of elasticity is also known as? j Stress's modulus k l m n j Young's modulus k l m n j Strain's modulus k l m n j Resilience k l m n 30. Which of the following materials exhibits better compressive strength than tensile strength? j Cast iron k l m n j Concrete k l m n j Wood k l m n j Concrete and wood k l m n j All the above k l m n 31. When a metal is very brittle which test is used to replace the tensile test? j The shear test k l m n j The transverse rupture test k l m n j The compression test k l m n j The endurance test k l m n 32. Fatigue failure may initiate from? j An area of corrosion k l m n j An internal flaw k l m n j A surface notch k l m n j All the above k l m n 33. Which of the following is a Notched Bar test? j Tensile impact test k l m n


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j Charphy test k l m n j Izod test k l m n j Charpy test and izod test k l m n j All the above k l m n 34. Hardness tests can be used to determine material? j Hardness k l m n j Composition k l m n j Heat treated condition k l m n j All the above k l m n 35. The superficial Rockwell test is carried out on materials that? j Only allow very small surface blemishes k l m n j Are very ductile k l m n j Have very large surface areas k l m n j None of the above k l m n 36. Calculate the factor of safety given that a materials has a working stress of 15, 000 ibs per square inch and an elastic limit of 60, 000 lbs per square inch? j2 k l m n j4 k l m n j6 k l m n j8 k l m n 37. Which of the following is a notched bar test? j Charpy k l m n j Creep k l m n j Izod k l m n j Charpy and Izod k l m n j All of the above k l m n 38. To what angle should a bend test be normally bent? j 180 degrees k l m n j 150 degrees k l m n j 90 degrees k l m n j None of the above k l m n 39. Which of the following is a hardness test? j Rockwell k l m n j Creep k l m n j Charpy k l m n j Izod k l m n 40. Stresses that act along or parallel to a plane are known as?


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j Shear stresses k l m n j Tensile stresses k l m n j Compressive stresses k l m n j All of the above k l m n > Check Your Answers

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Here are the corrections: 1. All the above 2. Multi directional 3. A discontinuity 4. A defect 5. All the above 6. Fracture mechanics 7. A defect 8. Elastic deformation 9. At low temperatures 10. It is generally used in applications where the loads are principally comprehensive 11. Manufacturing process 12. Shape and Properties 13. All of the above 14. Forging 15. Welding process 16. Rolling and Extrusion 17. Plastic 18. Younges modules 19. Any of the above 20. Composition, heat treated condition and crystal strucure 21. Corrosion resistance 22. All of the above 23. Processing property 24. Stresses 25. Shear stress 26. Indirect test 27. The material may fracture and the material may be work hardened 28. The same as the breaking strength for brittle materials 29. Young's modulus 30. All the above 31. The transverse rupture test 32. All the above 33. Charpy test and izod test 34. All the above 35. Only allow very small surface blemishes 36. 4 37. Charpy and Izod 38. 180 degrees 39. Rockwell 40. Shear stresses


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1. Electrons in an atom can exist? j Only in exact energy levels k l m n


j Only in exact energy shells k l m n j At random throughout the atom k l m n j In Exact energy levels and in exact energy shells k l m n j All the above k l m n


2. A material that has high hardness and good electrical and thermal connectivity is known as? j A plastic material k l m n j A ceramic material k l m n j A metallic material k l m n



j A liquid material k l m n 3. What term is used to define the change of state directly from solid to gas? j Crystalisation k l m n j Vaporisation k l m n j Sublimation k l m n j None of the above k l m n 4. Which of the following is a crystal lattice that has nine atoms, eight at each corner and one centrally between them? j Hexagonal close packing k l m n j Body centred cubic k l m n j Face centred cubic k l m n j Body centred tetragonal k l m n 5. Which of the following materials is Body centred cubic at room temperature? j Copper k l m n j Gold k l m n j Iron k l m n j Nickel k l m n 6. A property of a fine grain material is that it will?


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j Machine more easily than corse grain k l m n j Case harden more easily than coarse grain k l m n j Have higher strength than coarse grain k l m n j All the above k l m n 7. Permanent deformation can occur in which of the following ways? j Static deformation k l m n j Twinning deformation k l m n j Elastic deformation k l m n j All of the above k l m n 8. Work done to produce plastic deformation below a materials re-crystallisation temperature is known as? j Recovery work k l m n j Cold work k l m n j Twinning k l m n j Plasticity work k l m n 9. Solution heat treatment requires which of the following? j To dissolve maximum amount of equilibrium preciptant in the solid solution k l m n j Very high temperatures k l m n j Diffusion times in excess of 24 hours k l m n j All of the above k l m n 10. Preciptation hardening is most commonly carried out on which of the following materials? j Carbon steel k l m n j Lead k l m n j Copper k l m n j Alluminium k l m n 11. Altropic changes occur in the? j Liquid state k l m n j Solid state k l m n j Gaseous state k l m n j Liquid or solid state k l m n 12. Which of the following is an allotropic material? j Iron k l m n j Copper k l m n j Lead k l m n j Aluminium k l m n 13. A heat treatment process that requires a material to be heated above its critical temperature for some period of time for carbon to unite in solid solution with iron in the gamma or F.C.C. lattice is known as?


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j Spherodizing k l m n j Annealing k l m n j Austentitization k l m n j Normalising k l m n 14. A process used to decrease hardness, increase ductility and occasionally improve machinability of high carbon steels is called? j Annealing k l m n j Austenitization k l m n j Spheroidizing k l m n j Stress relieving k l m n 15. A treatment that is used to give minimum hardness and maximum ductility of steel is? j Annealing k l m n j Austenitization k l m n j Spheroidizing k l m n j Normalising k l m n 16. Localised corrosion causing deep extend holes is known as? j Fisives k l m n j Pitting k l m n j Worm holes k l m n j None of the above k l m n 17. Which of the following is classed as permanent deformation? j Twinning k l m n j Rotational deformation k l m n j Slip k l m n j Twinning and Slip k l m n j All of the above k l m n 18. Annealing will achieve which of the following properties? j Increase ductility and decrease hardness k l m n j Increase ductility and increase hardness k l m n j Decrease ductility and increase hardness k l m n j Decrease ductility and decrease hardness k l m n 19. Of the following metals which is most suceptible to corrosion by sea water? j Gold k l m n j Copper k l m n j Zinc k l m n j Lead k l m n 20. During the hardening of steel which of the following quenching media will produce the severest


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quench? j Water k l m n j Brine k l m n j Oil k l m n j Air k l m n 21. Which is the most common metallic element found on earth? j Iron k l m n j Titanium k l m n j Aluminium k l m n j Magnesium k l m n 22. The product of a blast furnace is known as? j Iron k l m n j Steel k l m n j Pig iron k l m n j A pig k l m n 23. What is the approproximate carbon content of Pig iron? j 1-2% k l m n j 2-3% k l m n j 3-4% k l m n j 4-5% k l m n 24. When the carbon content of iron is reduced below 2% it is called? j Steel k l m n j Gray iron k l m n j White iron k l m n j Ductile iron k l m n 25. A Bessemer converter is? j A method of producing cast iron k l m n j A method of producing pig iron k l m n j A method of producing wrought iron k l m n j A method of producing steel k l m n 26. Practically all steel is made with the use of? j Hydrogen k l m n j Oxygen k l m n j Nitrogen k l m n j Helium k l m n 27. The carbon content of low carbon steel is?


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j 6-25 points of carbon k l m n j 25-50 points of carbon k l m n j 0.06% -0.25% of carbon k l m n j 6-25 points and 0.06% -0.25% of carbon k l m n j None of the above k l m n 28. The carbon content of high carbon steel is? j 6-25 points of carbon k l m n j 25-50 points of carbon k l m n j 50-160 points of carbon k l m n j Over 160 points of carbon k l m n 29. An alloy steel is a steel containing one or more? j Elements k l m n j Atoms k l m n j Mixtures k l m n j Components k l m n 30. What do the letters AISI? j American Institute of Steel Industries k l m n j American Iron and Steel Industries k l m n j American Industries of Steel Institutes k l m n j American Iron and Steel Institute k l m n 31. Which of teh following is a classification of Stainless Steel? j Ferritic k l m n j Martensitic k l m n j Austenitic k l m n j Ferritic and Austenitic k l m n j All of the above k l m n 32. Austenitic stainless steel most typically contain? j 18% Chromium 8% Nickel k l m n j 15% Chromium 10% Nickel k l m n j 10% Chromium 15% Nickel k l m n j 8% Chromium 18% Nickel k l m n 33. Which of the following metals can be magentised? j Martensitic stainless k l m n j Ferritic stainless k l m n j Austenitic stainless k l m n j Martensitic stainless and Ferritic stainless k l m n j None of the above k l m n


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34. Which of the following may be used as an alloying element of steel? j Copper k l m n j Nickel k l m n j Aluminium k l m n j None of the above k l m n j All the above k l m n 35. Steel has a carbon content of less than? j 4% k l m n j 3% k l m n j 2% k l m n j 1% k l m n 36. Which is the main alloying element of austenitic stainless steels? j Nickel k l m n j Manganese k l m n j Molybdenum k l m n j Chromium k l m n 37. Which of the following furnaces is NOT used to produce steel? j Blast furnace k l m n j Bessemer converter k l m n j Basic oxygen furnace k l m n j Open hearth furnace k l m n 38. Tool and die steels are classed as? j Low carbon steels k l m n j Medium carbon steels k l m n j High carbon steels k l m n j Alloy steels k l m n 39. Which of the following alloying additions are used to produce tool and die steels? j Nickel k l m n j Chromium k l m n j Manganese k l m n j All of the above k l m n j Both Chromium and Manganese k l m n > Check Your Answers


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Here are the corrections: 1. In Exact energy levels and in exact energy shells 2. A metallic material 3. Sublimation 4. Body centred cubic 5. Iron 6. Have higher strength than coarse grain 7. Twinning deformation 8. Cold work 9. To dissolve maximum amount of equilibrium preciptant in the solid solution 10. Alluminium 11. Solid state 12. Iron 13. Austentitization 14. Annealing 15. Spheroidizing 16. Pitting 17. All of the above 18. Increase ductility and decrease hardness 19. Zinc 20. Brine 21. Aluminium 22. Pig iron 23. 3-4% 24. Steel 25. A method of producing steel 26. Oxygen 27. 6-25 points and 0.06%-0.25% of carbon 28. 50-160 points of carbon 29. Elements 30. American Iron and Steel Institute 31. All of the above 32. 18% Chromium 8% Nickel 33. Martensitic stainless and Ferritic stainless 34. All the above 35. 1% 36. Chromium 37. Blast furnace 38. High carbon steels 39. Both Chromium and Manganese




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1. Which of the following is classified as a non-ferrous light alloy?


j Beryllium base k l m n j Zinc base k l m n j Tin base k l m n j Copper base k l m n 2. Of the following, which is considered the most important structural non-ferrous metal?


j Copper k l m n j Zinc k l m n j Tin k l m n j Aluminium k l m n



3. Aluminium cannot be used in most areas where vibrations combine with high stress. There are special care has to be taken to remove all stress raisers. Which below is considered a stress rasier? j A notch k l m n j A scratch k l m n j A sudden change of section k l m n j A notch and a scratch k l m n j All of the above k l m n 4. When applying the term annealed to pure aluminium it is interpreted to mean? j Work hardenning k l m n j Re-crsytalisation k l m n j Stress releasing k l m n j Normalising k l m n 5. Which NDT method can be used to give general sorting of aluminium alloys? j UT k l m n j MT k l m n j RT k l m n j ET k l m n 6. Which metal is most used in electrical work, wiring, etc?


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j Copper k l m n j Brass k l m n j Aluminium k l m n j Steel k l m n 7. It is generally understood that the principal alloying elements of brass are? j Copper and tin k l m n j Copper and zinc k l m n j Bronze and tin k l m n j Tin and zinc k l m n 8. Which two NDT methods are usually used to inspect Magnesium components? j Radiography and penetrant k l m n j Radiography and magnetic particle k l m n j Ultrasonic and magnetic particle k l m n j Ultrasonic and penetrant k l m n 9. Wrought zinc and its alloys have very little NDT inspection on them, when a material is plated with zinc it is known as? j Anodizing k l m n j Wrapping k l m n j Galvanising k l m n j Flashing k l m n 10. Thermoplasting can be? j Melted down and re-used without loss of properties k l m n j Softened by heat k l m n j Will char when heated k l m n j Melted down and re-used without loss of properties and softened by heat k l m n 11. Thermosetting plastics are? j Rigid k l m n j Deteriorated by heat k l m n j Charred by heat k l m n j All of the above k l m n 12. Which of the following non-ferrous metals is classed as a light alloy? j Beryllium base k l m n j Zinc base k l m n j Tin base k l m n j All of the above k l m n 13. Which of the metals listed below has the highest strength to weight ratio?


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j Beryllium k l m n j Titanium k l m n j Aluminium k l m n j Zinc k l m n 14. One of the major drawbacks of magnesium alloys is? j Poor corrosion resistance k l m n j Notch sensitivity k l m n j High density k l m n j More expensive than using beryllium which exhibits similar properties k l m n 15. Which of the following non-ferrous metals is almost exclusively die-cast? j Aluminium k l m n j Copper k l m n j Magnesium k l m n j Zinc k l m n 16. Cobalt is used as an alloying constituent in? j Bearing alloys k l m n j Solders k l m n j Permanent magnets k l m n j Dental alloys k l m n 17. Manufacturing is a term used generally to describe the ??? of a bulk material? j Designing k l m n j Production k l m n n Shape changing j k l m j Casting k l m n 18. Which of the following is classed as a manufacturing process? j Casting k l m n j Welding k l m n j Machining k l m n j Rolling k l m n j All of the above k l m n 19. Which of the following manufacturing processes is the most economical method of producing complex shapes? j Casting k l m n j Forging k l m n j Rolling k l m n j Welding k l m n 20. In modern manufacturing industries which of the following factors are considered?


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j Markets k l m n j Product life k l m n j Design k l m n j Manufacturing process k l m n j All of the above k l m n 21. Which of the following is required when making a sand casting? j A mold k l m n j A pattern k l m n j A flask k l m n j All of the above k l m n 22. Shrinkage within a casting can occur in which of the following states? j Liquid state k l m n j Solidification k l m n j Solid state k l m n j Solidification and solid state k l m n j All of the above k l m n 23. Pattern makers shrinkage occurs in? j Liquid state of casting k l m n j Solidification state of casting k l m n j Solid state of casting k l m n j All of the above k l m n 24. When a change of wall thickness is required in a casting what would give the best design results? n Sudden section change j k l m j Small radii k l m n j Large radii k l m n j All of the above k l m n 25. Metal is fed into the casting cavity through a ??? system? j Flow system k l m n j Gating system k l m n j Pouring system k l m n j Riser system k l m n 26. Wells outside the normal finished casting are there to allow for? j Gas evolution k l m n j Sand erosion k l m n j Shrinkage k l m n j Airlocks k l m n 27. Directional solidification in Castings is helped by the use of?


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j Cores k l m n j Feederheaders k l m n j Chills k l m n j Chaplets k l m n 28. Where holes or cavities are required in the finished casting a ??? is used in the modling stage? j Chill k l m n j Ingate k l m n j Riser k l m n j Core k l m n 29. Green sand is a mixture of sand and? j Clay k l m n j Silicon k l m n j Water k l m n j Clay and water k l m n j All of the above k l m n 30. The upper half of a flask is called? j A drag k l m n j A cope k l m n j A draft k l m n j A mould k l m n 31. Small metal supports which become part of the casting during pouring are called? j Chills k l m n j Chaplets k l m n j Cores k l m n j Risers k l m n 32. Which of the following casting processes is best used for small intricate casting - upto 2kg requiring close tolerances? j Centrifugal casting k l m n j Investment casting k l m n j Continuous casting k l m n j Permanent mold casting k l m n 33. The casting process which gives improved material density towrads the outside of teh mold is? j Centrifugal casting k l m n j Investment casting k l m n j Continuous casting k l m n j Permanent mold casting k l m n 34. The casting process which produces bar is known as?


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j Centrifugal casting k l m n j Last wax process k l m n j Continuous casting k l m n j Plaster mold casting k l m n 35. Splashed metal entrapped by molten metal that does not re-fuse is called? j Hot tear k l m n j Chill k l m n j Inclusion k l m n j Cold shut k l m n 36. The bottom part of the flask is known as the? j Cope k l m n j Bottom board k l m n j Drag k l m n j Runner k l m n 37. Which of the following is used to give preferential solidification of castings? j Chills k l m n j Chaplets k l m n j Cores k l m n j None of the above k l m n 38. In the casting process what name is given to the part which is used to represent the finished item? j The mould k l m n j The spruce k l m n n The pattern j k l m j The shell k l m n 39. The crystal structure of a casting adjacent to the mould wall will be? j Fine equiaxed grains k l m n j Core equiaxed grains k l m n j Columnar grains k l m n j Dendritic k l m n 40. Shrinkage occuring in the casting process can be divided into how many stages? j1 k l m n j2 k l m n j3 k l m n j4 k l m n > Check Your Answers


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Here are the corrections: 1. Beryllium base 2. Aluminium 3. All of the above 4. Re-crsytalisation 5. ET 6. Copper 7. Copper and zinc 8. Radiography and penetrant 9. Galvanising 10. Will char when heated 11. Charred by heat 12. Beryllium base 13. Beryllium 14. Notch sensitivity 15. Zinc 16. Permanent magnets 17. Shape changing 18. All of the above 19. Casting 20. All of the above 21. All of the above 22. All of the above 23. Solid state of casting 24. Large radii 25. Gating system 26. Shrinkage 27. Chills 28. Core 29. Clay and water 30. A cope 31. Chaplets 32. Investment casting 33. Centrifugal casting 34. Continuous casting 35. Cold shut 36. Drag 37. Chills 38. The pattern 39. Fine equiaxed grains 40. 3




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1. Which of the following is required - in theory - for two perfectly matched faces? j Atomic cleanliness k l m n


j Atomic closeness k l m n j Pressure k l m n j Atomic cleanliness and atomic pressure k l m n j All the above k l m n


2. Fusion bonding creates a metallurgical effect similar to? j Rolling k l m n j Forging k l m n j Casting k l m n



j Sintering k l m n 3. The bonding process giving very high efficiency is? j Fusion bonding k l m n j Pressure bonding k l m n j Flow bonding k l m n j Atomic bonding k l m n 4. A bonding process where only very small amounts of the base metal is used is called? j Fusion bonding k l m n j Pressure bonding k l m n j Flow bonding k l m n j Cold bonding k l m n 5. Flow bonding is a particular type of bond, which listed below would be classed as a flow bond? j Fusion welding k l m n j Braze welding k l m n j Metal arc welding k l m n j None of the above k l m n 6. Which of these defects can be found in fusion welds?


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j Porosity k l m n j Slag k l m n j Cracks k l m n j All of the above k l m n 7. That portion of the base metal affected by the welding process is known as? j The weld zone k l m n j The heat input zone k l m n j The weld affect zone k l m n j The heat affected zone k l m n 8. Multiple cooling rates can have adverse affects on weld areas. What can be done to offset this problem? j Use different alloy rods to control temperature k l m n j Using a pre-heat k l m n j Use different alloy rods to control temperature and using a pre-heat k l m n j Nothing can be done to offset the problem k l m n 9. Angular distortionmay occur in a weld when? j Restraints are used k l m n j Multipass welds are used k l m n j Single pass welds are used k l m n j Multiple welds and single pass welds are used k l m n 10. Longitudinal stresses in a weld are at a maximum? j Along the weld centre line k l m n j On the weld fusion face k l m n j At the heat affected zone k l m n j Lomgitudinal stresses are uniform across teh weld k l m n 11. What is required to form a fusion bond? j Melting of parent metals k l m n j A filler rod k l m n j Pressure k l m n j All of the above k l m n 12. Flow bonding is a term used in the welding process which of the following would be classed as flow bonding? j Brazing k l m n j Braze welding k l m n j Soldering k l m n j All of the above k l m n 13. To join two metals which of teh following is essential?


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j Atomic closeness k l m n j Atomic cleanliness k l m n j Melting k l m n j Atomic closeness and cleanliness k l m n j All the above k l m n 14. In order to produce a fully homgenous material afetr welding which of the following is required? j Preheat k l m n j Post heat treatment k l m n j Low heat input welding k l m n j Fillers of different composition k l m n 15. In electric arc welding, a metal rod is one electrode, the other is? j The work material k l m n j The rod flux k l m n j The earth k l m n j The work material and the rod flux k l m n 16. Stud welding is used primarily to? j Bond two dissimilar metals k l m n j Attach threaded fasteners to plates k l m n j Rivot plates together k l m n j Fuse bar ends together k l m n 17. A welding electrode coatings provides? j A shield for the arc against the atmosphere k l m n j Added heat input k l m n j Additional stresses to the weld k l m n j None of the above k l m n 18. Where gas is used as a shield for the welding process the gas is commonly? j Argon k l m n j Helium k l m n j Hydrogen k l m n j Argon and Helium k l m n j All of the above k l m n 19. When using gas metal arc welding what range of filler wire diameter is available? j 0.1-0.5mm k l m n j 0.5-3mm k l m n j 0.1-30mm k l m n j 0.5-10mm k l m n 20. Automatic welding under a flux is more commonly known as?


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j TIG welding k l m n j Manual metal arc welding k l m n j Submerged arc welding k l m n j Stick welding k l m n 21. Spot welding is commonly used in which of the following applications? j Car manufacturing k l m n j Seam welding k l m n j Shipbuilding k l m n j Fabrication yards k l m n 22. Which welding process takes place in a vacuum? j Plasma arc welding k l m n j Electron beam welding k l m n j Friction welding k l m n j Explosion welding k l m n 23. Which welding process is generally used to weld the ends of heavy round bars or tubes? j Ultrasonic welding k l m n j Electroslag welding k l m n j Plasma arc welding k l m n j Friction welding k l m n 24. Explosion welding is generally used to join? j Two or more metals of different composition k l m n j Butt welds k l m n n Very think titanium sheeting j k l m j Plastics k l m n 25. The drawing symbol at the bottom of the page marked one illustrates a? j Bevel groove k l m n j Fillet k l m n j J Groove k l m n j Vee Groove k l m n 26. The drawing symbol at the bottom of the page marked two illustrates a? j Vee Groove k l m n j J Groove k l m n j U Groove k l m n j Bevel Groove k l m n 27. AWS categorise weld defects into three classes which below is a dimensional defect? j Slag k l m n


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j Warping k l m n j Lack of fusion k l m n j Porosity k l m n 28. Which of the following is classed as a structural defect? j Undercut k l m n j Slag k l m n j Incomplete fusion k l m n j Slag and incomplete fusion k l m n j All of the above k l m n 29. Which of the following defects occur in the base metal? j Lamination k l m n j Slag inclusion k l m n j Lack of fusion k l m n j Lack of penetration k l m n 30. Welds without preheat are said to have? j Very low thermal gradients k l m n j Low thermal gradients k l m n j Medium thermal gradients k l m n j High thermal gradients k l m n 31. Why is it advisable to leave final inspection of a weld until well after welding has finished? j Because the welds will be too hot to test k l m n j Due to the possibility of distortion k l m n n Due to the possibility of post weld cracking j k l m j All of the above k l m n 32. What is the approximate arc column temperature in an electric arc weld? j 6000 degrees celsius k l m n j 5000 degrees celsius k l m n j 4000 degrees celsius k l m n j 3000 degrees celsius k l m n 33. Which of the following is classified as an inert gas? j Hydrogen k l m n j Helium k l m n j Oxygen k l m n j All of the above k l m n j Hydrogen and helium only k l m n 34. Which weld process has a non-consumable electrode?


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j Manual metal arc k l m n j Metal inert gas k l m n j Tungsten inert gas k l m n j Manual metal arc and metal inert gas k l m n 35. The weld symbol µ is used to symbolise a? j Fillet weld k l m n j U-Groove k l m n j Bevel groove k l m n j None of the above k l m n 36. When using basic symbols for NDT what letters are used to denote liquid penetrant testing? j LPT k l m n j FPT k l m n j PT k l m n j RPT k l m n 37. hich of the following processes could be performed using oxyacetylene equipment? j Flame cutting k l m n j Brazing k l m n j Soldering k l m n j Brazing and Soldering k l m n j All of the above k l m n 38. How might a weld arc be shielded from oxidation? j Flux powders k l m n j Welding rod coatings k l m n j Inert gases k l m n j Welding rod coatings and inert gases k l m n j All of the above k l m n 39. The ease with which a solid union may be made between two parts by welding is known as? j Weldability k l m n j Joining k l m n j Buttering k l m n j Soldering k l m n 40. A typical temperature range to stress relieve ferritic steel is? j 100-150 degrees celsius k l m n j 250-300 degrees celsius k l m n j 600-650 degrees celsius k l m n j 900-950 degrees celsius k l m n


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Diagram One for Question 25

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Diagram Two for Question 26

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9/18/2001

Here are the corrections: 1. Atomic cleanliness and atomic pressure 2. Casting 3. Pressure bonding 4. Flow bonding 5. Braze welding 6. All of the above 7. The heat affected zone 8. Using a pre-heat 9. Multiple welds and single pass welds are used 10. Along the weld centre line 11. Melting of parent metals 12. All of the above 13. Atomic closeness and cleanliness 14. Post heat treatment 15. The work material 16. Attach threaded fasteners to plates 17. A shield for the arc against the atmosphere 18. Argon and Helium 19. 0.5-3mm 20. Submerged arc welding 21. Car manufacturing 22. Electron beam welding 23. Friction welding 24. Two or more metals of different composition 25. Fillet 26. U Groove 27. Warping 28. All of the above 29. Lamination 30. High thermal gradients 31. All of the above 32. 6000 degrees celsius 33. Helium 34. Tungsten inert gas 35. None of the above 36. PT 37. All of the above 38. All of the above 39. Weldability 40. 600-650 degrees celsius




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1. Which of the following metals has very little ductility? j Copper k l m n


j Steel k l m n j Iron k l m n j Aluminium k l m n 2. Mechanical properties are generally improved?


j In the direction of rolling k l m n j 30 degrees to the direction of rolling k l m n j 45 degrees to the direction of rolling k l m n j 90 degrees to the direction of rolling k l m n


3. Grain refinement for metals existing in one crystalline form can be accomplished by? j Hot working k l m n


j Cold working k l m n j Recrystallisation k l m n j Hot working and recrystallisation k l m n j All the above k l m n 4. For steels hot working is performed at temperatures of? j 500-750 degrees celsius k l m n j 750-950 degrees celsius k l m n j 950-1300 degrees celsius k l m n j 1300-1500 degrees celsius k l m n 5. How generally is a decarburised layer removed? j Heat treatment k l m n j Surface removal k l m n j Stress relief k l m n j Annealing k l m n j All of the above k l m n


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6. Improved properties can be achieved by? j Cold rolling k l m n j Hot rolling k l m n j Extrusion k l m n j All of the above k l m n 7. Most materials used in Mill work start out as? j Cast ingots k l m n j Slabs k l m n j Billets k l m n j Blooms k l m n 8. Which listed below have approximately square cross sections? j Slab k l m n j Bloom k l m n j Billet k l m n j Bloom and Billet k l m n j All of the above k l m n 9. Of these methods listed below which will eliminate the need for an ingot? j Hot rolling k l m n j Continuous casting k l m n j Extrusion k l m n j None of the above k l m n 10. Which of the following may be considered as a flat product of the steel mill? j Sheet k l m n j Plate k l m n j Strip k l m n j Sheet and Strip k l m n j All of the above k l m n 11. Mill work covers many products. Which below would be classed as a mill product? j Pipe k l m n j Tube k l m n j Casting k l m n j Pipe and tube k l m n j None of the above k l m n 12. Pipe and tube may be manufactured using which technique? j Extruding k l m n j Rolling k l m n j Resistance welding k l m n


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j Extruding and Rolling k l m n j All of the above k l m n 13. One type of forging operation uses? j Rolling k l m n j Casting k l m n j Open dies k l m n j Extrusion k l m n 14. The principal NDT method to locate internal discontinuities in forgings is? j UT k l m n j RT k l m n j ET k l m n j MT k l m n 15. Impact forging is more commonly known as? j Open die forging k l m n j Drop forging k l m n j Closed die k l m n j Rotary swaging k l m n 16. The term used in powder metallurgy for the bonding of the solid particles is? n Pressing j k l m j Blending k l m n j Sintering k l m n j Mixing k l m n 17. A typical application of powder metallurgy parts is? j Cutting tools k l m n j Castings for human implants k l m n j Extrusion of thin sections k l m n j Metal fabrication of minute welds k l m n 18. Which of the following has an essentially rectangular cross-section? j Bar k l m n j Bloom k l m n j Slab k l m n j Billet k l m n 19. Which of the following is an advantage of the continuous casting process? j Removes the requirement for ingots k l m n j Reduces wastage of material k l m n j Can produce intricate cross sections k l m n


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j Removes the requirement for ingots and reduces wastage of material k l m n j All of the above k l m n 20. Sheets of metal before it is rolled into pipe using a welding bell is called? j Strip stock k l m n j Skelp k l m n j Pipe stock k l m n j Tube stock k l m n 21. Which extrusion process uses less pressure due to lower build ups of friction container and billet? j Direct hot working k l m n j Indirect cold working k l m n j Indirect hot working k l m n j Direct cold working k l m n 22. Powder metallurgy is used to shape produce refractory metals. Which of the following is classed as a refractory material? j Inconel k l m n j Magnesium k l m n j Tungsten k l m n j Beryllium k l m n 23. The shearing operation has many forms - names - of those listed below which is a shearing operation? j Bending k l m n j Drawing k l m n j Forming k l m n j Parting k l m n 24. During the bending process what stresses are produced within the material? j Compressive k l m n j Shear k l m n j Tensile k l m n j Compressive and Tenisle k l m n j All of the above k l m n 25. In explosive forming? j Gun powder is used k l m n j High explosive is used k l m n j Slow buring propellants are used k l m n j High explosive and slow buring propellants are used k l m n 26. Which of the following is a hole making operation?


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j Splitting k l m n j Parting k l m n j Blanking k l m n j Notching k l m n 27. In the machining process metal is removed in the form of? j Swarf k l m n j Chips k l m n j Fillings k l m n j Turnings k l m n 28. High speed steels are generally used for which type of cutting tool? j Grinders k l m n j Drills k l m n j Files k l m n j Abrasives k l m n 29. The letters N/C in machine work stand for? j Numerical control k l m n j Number cycle k l m n j Numerical cutting k l m n j Number counting k l m n 30. Which of the following may be used as a cutting tool material? j Diamonds k l m n j Cast iron k l m n n Cemented carbides j k l m j Both diamonds and cemented carbides k l m n 31. What material is usually used in injection molding? j Thermosetting plastics k l m n j Thermoplastics k l m n j Ceramics k l m n j Powder metals k l m n 32. What materials are required for reinforced plastic molding? j Filler k l m n j Resin k l m n j Wood Shavings k l m n j Filler and Resin k l m n j All of the above k l m n 33. Laminates are a composite form which below would be classed as a laminate?


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j Fibreglass k l m n j Honeycomb k l m n j Ceramics k l m n j Fibreglass and Honeycomb k l m n 34. The letters EDM stands for? j Electronic digital meter k l m n j Electro discharge motor k l m n j Electrical discharge machinery k l m n j Electro dispensing machine k l m n 35. The common term used to denote the 'light amplification by stimulated emission of radiation' is? j Laser k l m n j Cathode ray tube k l m n j Photon Gun k l m n j Optical microscope k l m n 36. Composites may be made up of which of the following material combinations? j Combinations of different metals k l m n j Combinations of different metals and non metals k l m n j Combinations of different non metals k l m n j All of the above k l m n 37. Case hardening is accomplished by? j Carburizing k l m n j Heat treating k l m n n Flame hardening j k l m j Carburizing and flame hardening k l m n 38. With which NDT method is surface cleanliness most important? j UT k l m n j PT k l m n j MT k l m n j RT k l m n 39. Abrasive finishing could be classified by which of the following methods? j Wire brush k l m n j Polishing k l m n j Buffing k l m n j All of the above k l m n 40. Electro plated surfaces are ususally quite thin. Which common NDT methd is used to measure the plate thickness?


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j MT k l m n j UT k l m n j ET k l m n j PT k l m n 41. Which materials can best be anodised? j Steel k l m n j Copper k l m n j Aluminium k l m n j Brass k l m n 42. Which of the following is not a form of case hardening? j Spheroidising k l m n j Carburing k l m n j Flame hardening k l m n j Nitriding k l m n 43. Which of the following is a measuring device? j Micrometer k l m n j Vernier k l m n j Steel rule k l m n j All of the above k l m n 44. Fixed guages are used? j Only on single purpose applications k l m n j To measure internal bores k l m n n Shape relationships j k l m j All of the above k l m n

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9/18/2001

Materials & Process for NDT Technology (ASNT Specific)

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