running direction interlock wht action u take in refigeration plant to change copper wire crack connected to diffrential pressure line. in MAN B&W, why fuel cam is inverse type? being inverse type how it helps in pum ping fuel? Fn 4 and Fn 6 diff btw sulzer and other fuel p/ps hw and wen is fuel injected wat happens wen injecter needle valve is seized/completely choked? overhaul of multi stage centrifugal p/p can p/p motor b removed widout taking out d coupling bolts how to improve the performance of centrifugal p/p relation btw head and pressure of p/p parts subjected to wear in p/ps charectristics of centrifugal p/p draw d wear ring arrangement??? and y is it req material and workin of gate v/v material of rudder universal coupling ....draw diesel engine works on which cycle? hw will u demonstrate that ur emrg fire p/p is capable of drawing water from 4.5 m to a PSC officer... ....etc etc etc asked by biswas external wht action u take in refigeration plant to change copper wire crack connected to diffrential pressure line..... what are 1000 hrs routine in genertor... how u change purifier to clarifier.....arrangement to change horizontal motion o f purifier to vertical......maintainance of friction clutch....... what is regular maintenance done in purifier........ hw to take bumping clearance in compressor.........if thr is malfunctioning in c ompressor what action u will take........ MEO CLASS IV ORAL 19Aug. BISWAS with External. MEP what are the measurement taken after removing AE piston and how gudgen pin clear ence taken During menouvering ME cylinder relif valve has lifter, what are the reasons. Centrifufal pump is making somuch noise what are the reason What is Flairing tool draw its diagram and how it is used AE 1000Hrs routine maintenance AE fuel valve overhouling... MEO CLASS IV ORAL 19Aug. BISWAS with External. ques asked by mukharji........1 lubication system of y engine....X head lubricat ion &piston lub system......... 2surging...why houling sound is der........ 3 wa ter tub material...... 4 reason of vib ind purifire... wat is d reasons of chang e in purifire vertical height...... 5 operation of stearing gear...which type of p/p in ur stearing gear.......wat is d advantage of heleshaw p/p.......& operat ion of heleshaw ques Asked to him By sinha 3. how will u ballast a cargo hold of bulk carrier, when sailing in ballast cond ition in rough weather? 4. in fixed co2 system how will u take weight of co2 bottle and how will u refil l it?
MEP:1. globe valve overhaul 2. name of the parts of A/E cylinder head 3. main engine crankcase inspection 4. how will u take out a broken stud? 5. how will u tight the gland packing of centifugal pump in running condition? what is the fixed fire fighting system available for cargo holds of bulk carrier s? significance of vaccum breaker in fresh water generator hw to change telescopic feeler guage leaf function 4B shaha 1. m/e specification , m/e cyl oil specific consumption, sfoc. 2.for proper combustion what all measures taken in to account in fuel side ? 3. a/e specification .daihatsu duplex fileter .how to change the working filter to clean and standby filter to make operational? 4.before testing fuel v/v what all things u will check ? 5.type of boiler. why boiler accumelation pressure test carried out? how ? mukherjee. 1.type of oil mist detector ? working principle? 2.main air compressor v/v material? 3. what is elasticity? 4.what is cryogenic material ? Aug 22 function 4B shaha (dadiyal) and mukherjee internal 1. m/e spec. full form, sfoc, scoc, scoc during manaouverin, setting of cyl oil feed 2. crosshead lub. difficulties, how is it done (mine sulzer engine x-head p/p pr ess.), wat if both x-head p/p`s fail.... how lubrication will be done of x-head) 3. A/E lubrication full, how cyl lub is done... where holes r situated on piston ? splash lubrication 4. boiler type..capacity, safety v/v pr., boiler water tests(all), values of chl oride, alkanity(both), scavangers etc. present in ur blr water 5. bilge p/p, it`s drive, valve types in this p/p, y r they fitted. 6. fwg type, wat is shell temp, wat does it denote? if increasing...how and y... wat will u do? 7. ur writtens clear or nt? :P thnx... mukherji 4b engine scification of my engine rt flex power card every thing clover leaf sfoc of fuel and cyl oil with data injection boiler safety from wer does the engine of a fully enclosed lifeboat take air suction? with FWG stopped it is possible to run M/E on full load 4b mukerjee how ll u no if o ring of jacket is leaking whtts reason if purifier overflowing, rectify reason of high exhaust temp safety question viswas :.... what means r provided to prevent oil contamination of d feed water. (at least 5) what is exhaust tuning....... m/e lube pump kaun se type ka hota hain.. MEP QUESTION air compresssor v/v removal v/v overhauling duplex filter desludging and hw sludge remove air charging in hydrophore
diesel oil to heavy oil change over(explain every step u taken) blow through of guage glass what will happen if the fuel v/v needle is seized Satpati ques....func 6...wat diff types f valves r dere on d sea chest...hw is a impeller connected to d shaft...hw is d wght of a vertical c pmp supported...H n Q curve n explanation f a centrifugal pmp...cargo pmp specification...dischage n head...precision instrument hw to calculate lc f micrometer vernier Wht happn if lip clearance increase or decrease in safety valve........... How to e xtract a sheared off thread using a thread extractor? anybody can expla in plz.... WHAT IS THE SIGNIFICANCE ABOUT THE HEIGHT OF PURIFIER VERTICAL SHAFT AND HOW TO ADJUST IT.. daas questions..... 16/8/11.. func 4- m/e engine particulars difference between SULZER RTA and RND. what is compression pressure? what z telescopic feeler gauge? where we use and how.. crosshead and main bearing clearance draw the draw cad and its significance wht z cloverliffing?? what is antipolishing ring ,, material ?? relation brwn MCR and CSR.. how to take butt clearance, detail.. aftr so many wrong answers.. where u read this.. i told ARHANA.. he asked..i don t know him, who is he ?? what is his background..?? have u heard abt D.K. SANYAL `BOOK.. i told yes.. then he asked.. who is he ?? what`s his background..
func.6- ovrhlng f fuel injector. ovrhlng f rotocap.. fn f T.E.V. n refrigeration,, its wrkng..?? how to take tappet clearance ..? explain detail procedure.. wt z steam trap.. wt f it stops wrkn.. function 6 qstns by sk das on 16/08/11 What all things have to be checked during crankcase inspection? How to e xtract a sheared off thread using a thread extractor? How to reset a quick closing valve after it gets activated? What is meant by piston ring staggering? Angle b/w each butt ? What is the use of reamer? How to take tappet clearance? Where and all telescopic filler gauge use onboard excepty main bearing WHAT HAPPEN CENTER OF GRAVITY IF ANY HOLD IS FLOODED? what is d difference between antirolling chocks and antifloatation chocks,consid ering d case of lpg tank fully refrigerated prismatic type tank,where des chocks r exactly fitted? what r the tests carried out after change the pump room light..??? according to SOLAS ..wat is the definition of starter.....??? HOW TO CHANGE A LIGHT IN THE CARGO PUMP ROOM???? HOW TO ADJUST THE HEIGHT OF VERTICAL SHAFT IN THE PURIFIER.... In case of grounding what are the initial steps to be taken.....what will be you r refloatation process specify w.r.t the use of M.e. and external assistance if required Pls mention the precautions to be taken in either of the case.....
were is d weight of a centrifugal pump supported.... n how what s jumping clearence ? how to check the wear down of it 1) at sea & 2) at dock why cant we instal propeller fwd of the ship rechaging of dcp and maintnance???? generator main crankipin bearing ka clearance kaise lete hain minumum no of cylindrs in 4 stroke engine nd 2 stroke engine types of fire hoses...????? can we use cargo oil as fuel oil nd explain how nd by whch line.. what is meant by wash bulkhead? why cant we use pumps instead of hydrophore droop characteristics of governor ? who does the droop in governor? what is gusset plate? WHAT IS THE PURPOSE OF U TUBE MONOMETER ON AIR COOLER? what is a power balanced engine What happens if the generator is started with the indicator cock open. . ? why centrifugal pumps are not provided with relief valves? what action u take incase of puri room fire? k if u close all quick closing vls frm wr fuel goes to aux eng? Routine checks in steerin gear ? what is the purpose of floating ring in boiler safety v/v? can ne body tell the exact difference btwn designed press nd working press in co ntext of boiler.. Why generator piston s lighter in weight when compared to main engine piston . . ? Whats the difference between fuel valve opening pressure and fuel injection pres sure? And what s fuel valve lift? How will u chose cable for electrical mechinery and material of it? why we use star connection in generator .why not delta ? Ques asked by Satpati3)weight of portable dcp,weight of semi portable fire extinguisher? 4)explain hypermist system? Function 41)Explain how l u calculate power by indicator diagram?(in betwn value of spring constant of indicator card instrument was also asked) 2)explain how lp cut out works in fridge compressor?(liquid in tempreture sensin g bulb used 2 sense d saturation tempreture was also asked) 3)Say if compressor has 2 run all d tym den tell d mechanism how can it b done e ven whn cold room tempreture has been reached? 4)safeties in starting air line......pressure at which d bursting dics will rupt ure? 5)explain d mechanism of boiler burner.....dere r 2 markings on atomiser tip.... .wat r dey?? 6)explain mechanism 2 dampen axial vibration? Function 61)wat is d voltage in ur ship's welding machine after step dwn? 2)types of notch in butt welds? 3)for a 10 mm plate wat notch l u prepare nd how l u prepare? 4)wat is d pressure of oxygen in oxidizing flame of oxy acetylene welding? 5)how l u weld bronze material? 6)state d composition with percentage of bronze? Why to provide differential oil pressure trip in reefer.? Why not direct oil low pressure trip? why atmospheric condensor is called atmospheric....... what is the reason for M.V RAK accident. . . was it human error?? what is purpose of high velocity vent and pv valve in tanker ? and where the hig
h velocity vent is fitted and why? t/c filter removal procedure he wants to know hw the steel net back up is remove d refri oil loss effects removal and restoration co2 maintainance fwg sudden loss in production How the preheatin of fuel injector is done when the main engine(man b&w) is stan dstill ? Whether it passes through the fuel pump or there is a separate line pro vided? how hydrogen fire takes place in uptake..? ROUTINE MAINTENANCE ON C/C OIL MIST DETECTOR?????? cyliner liner is cracked..during manoevering ..what could be the identification and what is the remedy? we can isolate any unit in 2 stoke engine can we cut off a unit in 4 stroke engi ne.. how many max units we can cut-off in a 6 cyl unit engine...... QUES ASKED BY SATPAti FUCTION-4 what type of m/e u had? (i told mitsuibishi, he askd ful name.. I told mitsuibis hi kobe 6 uec..den he asked full form of 6uec) cloverleafin in m/e shrouding of valver specification of boiler i had, what is boiler priming, its consequenc, nd how d situation can b dealt why bursting disc fitted in mac intercoler, what ll come out, Material, saftery in MAC, d/g specification, line diag of d/g lubrcatin system line diag of M/E T/C lubrictin system, why gravity tank is provided in d line, T /C colling, material ( bcoz at my ship dere was no t/c coling) FUCTION-6 cros sectinal diag of centrifugal pump, overhauling, checks, materials, wear ring nd its material cros sectional diag of glob v/v, overhauling, checks, material n lapping, diff b w valve nd cock air in d refre system, indications, effects, n purging of air purifier starting, stoping, desludgin procedure, (manual n auto both, auto wid d iag), why gravity tank for d operating water, and at last purifir diag WHAT TYPES OF THE JOINTS IN THE PIPE LINES? stern tube centrifugal p/p arrangement,characteristics, y and wt happens if we k eep the discharge v/v shut refrigeration comp y dryer hw moisture can enter and wt effects hotwell oil contamination hw to identify steam traps hw to restore normal operat ion thrust pad uses construction lubrication wt is super long stroke and wt modifications in fuel injector, propeller and in shaft to accomodate it
draw card explanation Explain simulation of emergency gen Why do we take only portside,starboardside reading and forward aft reading,when we are taking cylinde liner gauging. . . ?why not at some other positions? How d o u know that ur reading is accurate? Don say template plz. . . The exhaust gas temps are generally in a range of 350 degree may be with a devia tion of 25 degree.... but how exh gas temp inlet to turbocharger rises to 400 pl us......... hw current is produced thermister transformer y kept in oil, y humming noise and its construction starters diff bwt it and a switch, construction uses how to put wear ring in a centrifugal p/p what is syphon effect in ows..? what is meant by hydraulic balancing of a purifier ?? how many type of paking& gaskit and where it use What are the stresses in centrifugal pump? Where they are acting? 1. Torsion box and the name of the side boxes? 2. Free surface effect and as a 4th engr what action will you take to avoid free surface effect during bunkering? 3. Maintenance of hydrant hoses nozzles in fire line? 4. Checks to be carried out in SCBA? 5. Back fire in boiler 6. What will you check in the main sea water pump during overhaul 7. Safeties in MSB 8. How does over load relay work? 9. Electrical maintenance in engine room overhead crane 10. How will you remove the broken stud from a flat surface? 11. Why tappet clearance is necessary? How will u check which piston is in combu stion stroke if there are 2 pistons at TDC? 12. At what position and how will you take the bottom end bearing clearance in g enerator and why? 13. What are the specifications of alternator? anchor chain parts, hw is it attached to ship, hw is anchor attached, safety flare, tumble home, sheer,guzet plate, bulbousbow sternframe ISPS fir organisation in ship What kind of pump is used to discharge the cargo in crude oil carriers? What is the discharge rate? why only boiler exhaust is used in ig why not ME exhaust . while taking carnkshaft deflection the differnce btwn top and bottom readings gi ves us deflection andd port and starboard readings gives us refrence.......can n e 1 tell wat that refrence accounts for and wat is its significance fun4 1. gen bottom end bearing lub system? 2.exhaust v/v working principle? 3.wat is closing pressure of exhaust v/v? 4.wat is opening pr of exhaust v/v?? 5.purifier manual desludging?? 6.purifier overflowing wat ll u do?? 7.scavenge fire on one unit wat ll u do?? 8.how turbocharger getting lubricated?? 9.how many seals are there in turbocharger?? 10.wat is steam trap?? fun5 1.pump room lighting arrangement?? 2.how to increase powerfactor??
3.wat is insulation resistance?????????how it is tested onboard?? 4.earth fault how ll u find??? 5.induction motor principle?? 6.wat is intrinsically safe??????EXp EXd EXi,arrangement on tankers?? 7.how ll take emgcy geny onload??????procedure... fun6 1.main bearing removel?? 2. clearance ?? 3.telescopic feelergauge?? 4.how to change leafs of telescopic feelergauge?? 5.ref system luboil charging?with and wiyhout pump?? 6.wat lubrication on ref and air compresor?? 7.scavenge space inspection?? 8.how ll u cutoff one unit in fuel pump?? 9.air comp v/v parts?? 10.air comp v/v overhauling?? IMPROPER COMBUSTION OF FUEL CAUSE HIGH OR LESS EXHAUST TEMP....?.....AND WHY?? Wats de function of MAST RISER in a IG system.........where is it located....... ...oil tankr guys?????? how the lubrication of air spring pistion takes place in exhaust valve of main e ngine..?? In a 4 stroke engine always 2 units are at tdc in which only one is at firing td c. , suppose all cylinder heads are tighted without any rocker arm or push rods how we can confirm which unit is at firing tdc . given fuel pump marking are not visible and crank case doors are closed.... At the time of scavenge trunk temp high alarm whether we should drain scavenge t runk ?.... can anybody please explain..........what is dis secondary injection wrt to fuel injector means???? what is servo reversing motor ?wr it is used? how signal transmission takes place from bridge to ecr and to govnr? IS THERE ANY DIFF. IN PRODUCTION OF FWG AT BALLAST AND LOADED PASSAGE.....?? IF YES ,THEN WHY?? what is fitted bolt & where it use overhauling of unloader Cloverleafing 3d diagram lubricating quills cross sectional diagram What is spcv? how container crane work??? What all checks to be made in bottom end bearing bolts? y using manometer for aircooler;y not some thing else? how ll u measure the length of the chain cable went inside water while putting the anchor? wat al given in muster list... Why to blowthrough the generator/main engine prior starting? How the axial thrust is accommodated in generator? Explain me clearly anyone. . What arrangement will be there to do so and where s the exact location? Manoeuvering is going on ,suddenly main air compressor cooler is leaking,what wi ll be ur step fn 3= hawes pipe,spurling pipe,collision bulk head,how to drain water from bosun store,water ingress system in cargo hold,dcp,annex 6? fn 4= how purifier rpm is more than motor rpm,hydrostatic lub,hydro dynamic lub, boundary cooling,feed water circulating p/p? what is the abbrevation for MC-C in m/e type what is the full name on RTA????? What s the safety device in emergency fire pump between the volute casing and di scharge line. . . .?
How to take bottom end bearing clearance in generator? How to change gland in pu mp? What al the clearances to be taken in centrifugal pump overhaul? Can main en gine be run at full load with fresh water generator stopped? dhas quest during july orals 1.wt s centre griders 2.reserve buoyancy and need of t 3.wat al the things in muster list... 4.how ll u specify feeler gauge 5.pump gland packing change 6.how to order gland packing. difference between safety valve and relief valve ??? (ans pointwise) what is a tachometer? how does it works?? n how it is coupled to generator? das mep. . How to change cooler division plate? What are the checks to be made a fter purifier boxed up after overhaul and before starting? Where zener diode is used? Why the neutral pin is larger in diameter in a plug point? What is galvano meter and where it is used? How do u measure the fatigue resistance of a particular material.. . . ? where synchronous motor is used on board ships? wat is tumble home ???? nd piston slap ???? fn 3 1. tumble home ,sheer strake ,knee beam , gunwale arrngment 2.isps , ism, marpol annex 4 ( certificate and regulation) . 3. i.g. system and alarms &trip. maintance of scrubber tower . 4.how to make collision b/h water tight after passing a pipe . 5. sewage plant of my ship and advantage. fn4 1.m/e, a/e, boiler specifiation. how to change over boiler to egb. 2. cloover liffing reason n why is called its name ? cuases ? 3.parts of screw p/p and material . 4. how to remove piston and safety , bottom end brg clearance ? 5. maintance of hyd jeck maintance ? how its works ? das for mep on 2 july 1. tappet clearance indication on flywheel...if unit 3 nd 5 is on tdc then how 2 find which 1 hav firing condition....?(fuel p/p marking he wanted to listen) 2. piston ring calibration..? 3. y tapet clearance nd how much...nd y fr exh. more..? 4. cylinder head tightening procedure.....nd hydroulic jack principle....?(he wa nted to listen studs elongate by applying lube oil pressure) 5.tools required for cuting gasket...?what type of gaskets u hav on board nd mat erial....? DAS on 2.7.11 fn-4, 1)steam trap 2)supercooled n superheated (ref) 3.sacrificial anode in cooler 4.y v put intercooler;its effect on second stage 5.reversing fn.5; 1.induction motor principle working 2.wat is starter 3.IR nd its permisible value and can u check it in running 4.RP testing 5.zener diode nd its uses fn.6; 1.hot filter changing(duplex filter,b4r changin must purge it) 2.bumping clrnc 3.blr gauge glas showin no water
4.how u dettach d aux eng v/v seat 5.how v tak bottomend brg clrnc n position(bdc) connecting rod ovality(measerd its crank pin dia 4-5 places;ovality makes ellips e nd ovality=major axis-minor axis nd should lie within makers limit) Motor questions by DAS.... What are the safeties in IG? Discription of deck seal, PV breaker? Engine specification and meanings of every characters? Purpose of demister? What is unloader? Purpose of wear ring in centrifugal pump? MEP questions:(by Viswas) 30-6-2011 pm 1.work 2 b done in dry docking?-->>hw zinc anodes r fitted in d sea chest strain er,how its fitted,wat is d reason,hw zinc is fitted in d hull(sacrificial anode) ? -->>how propeller drop is taken,name of d intrument & purpose of it?-->>wat is d material of shaft & bearings? 2.in A/E crankcase inspection,wat r d things 2 b checked out?(must say lashing t oo which i didnt)-->>hw lube oil 4m d sump is 2 be tested onboard & d name of d instrument?-->>hw v will differentiate d contamination caused due 2 fuel oil & w ater in d lube oil(seperately)-->>hw cn u find d source of water contamination i n d crankcase inspection if v see water is leaking?-->>hw cn u differentiate whe thr d contamination is sea water or fresh water in lube oil?-->>after hw mch run ning hour crankcase inspection is done? 3.hw chances of scavenge fire cn be prevented,& d indication of scavenge fire al ready taken? 4.purifier overflows,wat cud be d possible causes & d immediate action taken by u? MEP Question askd by viswas.....21 june... 1.What do u understand by hardness test?? a) hw do u calculate BHN... 2.How do u charge lub oil in domestic fridge compressor?? a) where is charging point??? b) hw will u charge without using hand pump??? 3.as a watchkeeper what is ur action if exhaust temp. of a particular unit of ur main engine rise??? b) reasons for its occuring...... (ans by me leaky exhaust v/v, incorect fuel p/p timing,faulty fuel injector,scav ange fire,) c) wts ur preferencial step of reaching the problems...how will u find nd their remedies....... 4.during aux.engine dicarb..what r the clearances will u take....?? a)clearnces btwn piston ring n liner should b minimum or max.?? what hpnd if least clearnce n if large clearances?? b)what is liner wear??? nd wt is max. liner wear in an aux. engine.. in MEP on 20-6-2011 by das 1- whts telescopic filler gauge ,how it is n where used 2- how 2 change over duplex filter by external, s.k. daw 1- crank case inspection 2- indication of scavenge fire 3- boiler gauge glass blow down procedure 4- what is rimming n where used 5- how 2 adjust tappatd 6- I.G. blower washing (used 2 happen in sm ships) das ques... cross blowdown????
limitt switch life boat me kaha laga hota hai... scupper plug ka material??? how to take oil if carried till eavaporator rapsons slide mechanism main kaam kaise pentis hota hai how does rapson slide pr ovide angular momentum to the tiller?? ORAL QUESTION DAS ALONE 1) PHASING OUT OF TANKERS? 2)WHAT IS THE MEANING OF 22 IN R22 REFRIGERANT? 3)SAFETY OF IG 4)MAIN ENGINE SPECIFICATION MEANING OF S IN MAN BMW 7S50MC-C AND SAFETY 1.rapson slide mechanism 2.hunting mechanism 3.bunkering procedure and how u will chk d compatibility of two different fuel 4fuel oil injector ovhaul 5.m/e safety 6.what is stud extractor 7.moment compensator 8.refrigerant charging 8.how u chk crank pin clearence,at wat position 9.d.b tank inspection 10.bumping clearence 11.surging causes 11.knurling(deciding qn) 12.liner ovality and cocktail shker effect MEP QUESTION air compresssor v/v removal v/v overhauling duplex filter desludging and hw sludge remove air charging in hydrophore do to ho change over Function 4B and 6 ... Das and Dadhiyal External 1. m/e spec. , A/e spec. 2. Long/super long stroke and advantages 3. uniflo scav anging 4. A/e lubrication... Main brg removel 5. Xhead 6.....yaad nhi 1. crack tests, 2. p/p o`haul 3. a/e cyl head removel, v/v seat removel 4. bilge injection/emergency suction operation and spec. 5. compressor bumping cl. adjus tment, 4. crack positions on p/p shaft 5. stear-gea brg lubrication... Function 4B n 6, Satpati n some external 1. Compression ratio of ur engine, definition n significance. 2. Power calculation, MEP, MIP: Definition n differences, relationship 3. purifier working principle n construction in detail 4. Working of TEV, dia of line tht measures superheat (its supposed to be a capi llary) 5. Reamer n Stud Extractor 6. Moisture in reefer system, indications? (amongst other thingsm i told HP trip but he said tht HP trip wont be there....however mcgeorge(general) says tht) 7. A/E fuel injector overhaul in detail from stopping the engine to putting it b ack, tests on injector 8. Bumping clearance, how to measure, it was found tht it increased after an ove rhaul....reason? (Ans. Thick gasket might hav been used) 9. Torque spanner working. Torque for tightening con rod bolts of A/E (450 Nm), tightening sequence (Z sequence) 10. Location of operating water tank for purifier. MEP questions:(by Viswas) 1.work 2 b done in dry docking?-->>hw zinc anodes r fitted in d sea chest strain er,how its fitted,wat is d reason,hw zinc is fitted in d hull(sacrificial anode) ?
-->>how propeller drop is taken,name of d intrument & purpose of it?-->>wat is d material of shaft & bearings? 2.in A/E crankcase inspection,wat r d things 2 b checked out?(must say lashing t oo which i didnt)-->>hw lube oil 4m d sump is 2 be tested onboard & d name of d instrument?-->>hw v will differentiate d contamination caused due 2 fuel oil & w ater in d lube oil(seperately)-->>hw cn u find d source of water contamination i n d crankcase inspection if v see water is leaking?-->>hw cn u differentiate whe thr d contamination is sea water or fresh water in lube oil?-->>after hw mch run ning hour crankcase inspection is done? 3.hw chances of scavenge fire cn be prevented,& d indication of scavenge fire al ready taken? 4.purifier overflows,wat cud be d possible causes & d immediate action taken by u? MEP Question askd by biswash.....21 june... 1.What do u understand by hardness test?? a) hw do u calculate BHN... 2.How do u charge lub oil in domestic fridge compressor?? a) where is charging point??? b) hw will u charge without using hand pump??? 3.as a watchkeeper what is ur action if exhaust temp. of a particular unit of ur main engine rise??? b) reasons for its occuring...... (ans by me leaky exhaust v/v, incorect fuel p/p timing,faulty fuel injector,scav ange fire,) c) wts ur preferencial step of reaching the problems...how will u find nd their remedies....... 4.during aux.engine dicarb..what r the clearances will u take....?? a)clearnces btwn piston ring n liner should b minimum or max.?? what hpnd if least clearnce n if large clearances?? b)what is liner wear??? nd wt is max. liner wear in an aux. engine.. cl ivb(23/06/11) daw safety 1. how the anchor is attached to chain cable? b)its arrangement attachment from hawse pipe to chain store? c)end arrangemnt? why we need such arrangement? 2. what is dead man handle? b) how it is applied? c)how it is applied in enclosed life boat? 3. what is metacentre? b)what is metacentric height? nd its significance? c)what is +,_ and equibrilium metacentric height? 4. what is marpol annex vi? b)amonut of its content in fuel and in exhaust? 5. emergency escape device in E/R? b)pre-use chek in scba? c)is there alarm for it? 6. what is rudder droop? b)how it is measured? c)who takes the load of rudder? motor & general 1. in domestic fridge there is engrace of air how will u find it from out side? (not from sight glass, bubble in sight glass, room will be hot, all bullshit) 2. what is bumping clearance? b)what if it is more or less? c)how it is reduce?(puting shim,changing bearing,more and more.........??) 3. what is unloader??
b)what is its significance in air compressor? c)how will u run comp without unloader? 4. what is indicator diagram and what it shows? b)how it is possible we are taking power card and draw card from same instrument ? c)how and what we take in generator? d)when comp. press and peak press will be same? 5). what is steam trap? b)what is its benefit? c)where it is attached? 6. what is v/v rotator? how does it work? whre it is arranged? rough diagram? electrotechno 1.what is meggar readind? b)what if less than 1 mega ohm and its cause? 2. what is space heater? in which equipment it is used? is there any motor in space heater? 3. what is preferencial trip? which equipment is isolated? 4. what is earth fault? how we chek it? 5.what is bus bar?
