BASIC_5_Question asnt level iii

BASIC QB 5 1. Which of the following metals has very little ductility? a.Copper b.Steel c.Iron d.Aluminium 2. Mechanical properties are generally improved? a.In the direction of rolling b.30 degrees to the direction of rolling c.45 degrees to the direction of rolling d.90 degrees to the direction of rolling 3. Grain refinement for metals existing in one crystalline form can be accomplished by? a.Hot working b.Cold working c.Recrystallisation d.Hot working and recrystallisation e.All the above 4. For steels hot working is performed at temperatures of? a.500-750 degrees celsius b.750-950 degrees celsius c.950-1300 degrees celsius d.1300-1500 degrees celsius 5. How generally is a decarburised layer removed? a.Heat treatment b.Surface removal c.Stress relief d.Annealing e.All of the above 6. Improved properties can be achieved by? a.Cold rolling b.Hot rolling c.Extrusion d.All of the above 7. Most materials used in Mill work start out as? a.Cast ingots b.Slabs c.Billets d.Blooms 1

8. Which listed below have approximately square cross sections? a.Slab b.Bloom c.Billet d.Bloom and Billet e.All of the above 9. Of these methods listed below which will eliminate the need for an ingot? a.Hot rolling b.Continuous casting c.Extrusion d.None of the above 10. Which of the following may be considered as a flat product of the steel mill? a.Sheet b.Plate c.Strip d.Sheet and Strip e.All of the above 11. Mill work covers many products. Which below would be classed as a mill product? a.Pipe b.Tube c.Casting d.Pipe and tube e.None of the above 12. Pipe and tube may be manufactured using which technique? a.Extruding b.Rolling c.Resistance welding d.Extruding and Rolling e.All of the above 13. One type of forging operation uses? a.Rolling b.Casting c.Open dies d.Extrusion 14. The principal NDT method to locate internal discontinuities in forgings is? a.UT b.RT

2

c.ET d.MT 15. Impact forging is more commonly known as? a.Open die forging b.Drop forging c.Closed die d.Rotary swaging 16. The term used in powder metallurgy for the bonding of the solid particles is? a.Pressing b.Blending c.Sintering d.Mixing 17. A typical application of powder metallurgy parts is? a.Cutting tools b.Castings for human implants c.Extrusion of thin sections d.Metal fabrication of minute welds 18. Which of the following has an essentially rectangular cross-section? a.Bar b.Bloom c.Slab d.Billet

19. Which of the following is an advantage of the continuous casting process? a.Removes the requirement for ingots b.Reduces wastage of material c.Can produce intricate cross sections d.Removes the requirement for ingots and reduces wastage of material e.All of the above 20. Sheets of metal before it is rolled into pipe using a welding bell is called? a.Strip stock b.Skelp c.Pipe stock d.Tube stock

3

21. Which extrusion process uses less pressure due to lower build ups of friction container and billet? a.Direct hot working b.Indirect cold working c.Indirect hot working d.Direct cold working 22. Powder metallurgy is used to shape produce refractory metals. Which of the following is classed as a refractory material? a.Inconel b.Magnesium c.Tungsten d.Beryllium 23. The shearing operation has many forms - names - of those listed below which is a shearing operation? a.Bending b.Drawing c.Forming d.Parting 24. During the bending process what stresses are produced within the material? a.Compressive b.Shear c.Tensile d.Compressive and Tenisle e.All of the above 25. In explosive forming? a.Gun powder is used b.High explosive is used c.Slow buring propellants are used e.High explosive and slow buring propellants are used 26. Which of the following is a hole making operation? a.Splitting b.Parting c.Blanking d.Notching 27. In the machining process metal is removed in the form of? a.Swarf b.Chips c.Fillings d.Turnings 28. High speed steels are generally used for which type of cutting tool?

4

a.Grinders b.Drills c.Files d.Abrasives 29. The letters N/C in machine work stand for? Numerical control Number cycle Numerical cutting Number counting 30. Which of the following may be used as a cutting tool material? Diamonds Cast iron Cemented carbides Both diamonds and cemented carbides 31. What material is usually used in injection molding? Thermosetting plastics Thermoplastics Ceramics Powder metals 32. What materials are required for reinforced plastic molding? Filler Resin Wood Shavings Filler and Resin All of the above 33. Laminates are a composite form which below would be classed as a laminate? Fibreglass Honeycomb Ceramics Fibreglass and Honeycomb 34. The letters EDM stands for? Electronic digital meter Electro discharge motor Electrical discharge machinery Electro dispensing machine 35. The common term used to denote the 'light amplification by stimulated emission of radiation' is? Laser Cathode ray tube 5

Photon Gun Optical microscope 36. Composites may be made up of which of the following material combinations? Combinations of different metals Combinations of different metals and non metals Combinations of different non metals All of the above 37. Case hardening is accomplished by? Carburizing Heat treating Flame hardening Carburizing and flame hardening

38. With which NDT method is surface cleanliness most important? UT PT MT RT 39. Abrasive finishing could be classified by which of the following methods? Wire brush Polishing Buffing All of the above 40. Electro plated surfaces are ususally quite thin. Which common NDT methd is used to measure the plate thickness? MT UT ET PT 41. Which materials can best be anodised? Steel Copper Aluminium Brass 42. Which of the following is not a form of case hardening? Spheroidising Carburing Flame hardening 6

Nitriding 43. Which of the following is a measuring device? Micrometer Vernier Steel rule All of the above 44. Fixed guages are used? Only on single purpose applications To measure internal bores Shape relationships All of the above

BASIC QB 5 1. Iron 2. In the direction of rolling 3. All the above 4. 950-1300 degrees celsius 5. Surface removal 6. All of the above 7. Cast ingots 8. Bloom and Billet 9. Continuous casting 10. All of the above 11. Pipe and tube 12. All of the above 13. Open dies 14. UT 15. Drop forging 16. Sintering 17. Cutting tools 18. Slab 19. Removes the requirement for ingots and reduces wastage of material 20. Skelp 21. Indirect hot working 22. Tungsten 23. Parting 24. Compressive and Tenisle 25. High explosive and slow buring propellants are used 26. Notching 27. Chips 28. Drills 29. Numerical control 30. Both diamonds and cemented carbides 31. Thermoplastics 32. Filler and Resin 7

33. Fibreglass and Honeycomb 34. Electrical discharge machinery 35. Laser 36. All of the above 37. Carburizing and flame hardening 38. PT 39. All of the above 40. ET 41. Aluminium 42. Spheroidising 43. All of the above 44. All of the above

8