CLASS-4 KOLKATA MMD ORAL QUESTIONS PART-10

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Function – 4b, 6

Q. What Engine you sailed

Q. OMD alarm, What action you take.

Q. Main Engine Interlocks

Q. Steering Gear Safeties

Q. Boiler Water Chloride level , and what you will do if not in the range.

Q. Purifier Overflow, what is the reason

Q. Fresh Water Generator Vacuum is not producing, What are the reasons?

Q. Jacket Water increases for particular unit, what is the reason

Q. What is purpose of unloader in Air Compressor

Q. What are the reasons for second stage relief valve is opening is Air Compressor

Q. Annealing & Normalising

Q. What does temperature gauge in refer system indicate?

Q. Compressor what is the relief valve lifting pressure of MAC in both stagers?

Q. What will you check in ovality and what checks on the bearing bolts of the same

Q. Caustic embrittlement? What’s it exactly?

Q. Liner wear types?

Q. Automatic starting air valve… How will u test it’s automatic working.

Q. FWG low vaccum. what will you check? Where do you think is the defect?

Q. Gear system name of purifier and what are the types of bearings.

Q. Main engine unit overhaul procedure?

Q. Centrifugal pump overhaul?

Q. On law purifier works, factors affecting purification?

Q. AE cylinder head overhaul?

Q. Automatic dryer principle in compressor?

Q. FWG vacuum losses, reasons?

Q. Use of syphon in OWS?

Q. Use of lube oil ref compressor, why lo heater is provided?

Q. What is reduction gear and where it is used \?

Q. If one unit of M/E exhaust temp falls to 100 degree c, reasons and action?

Q. All valves on main air bottle are closed, only M/E and A/E is going, you have taken over a watch now compressor running time has increased in your time, reasons? And no defects I can see from outside like unloader stuck in open position or relief valve leaking?

Q. Reasons for blow back in boiler?

Q. OWS principle of operation and why do we need 2 stage separation?

Q. One unit of M/E exhaust temp is high?

Q. How the lubrication is done in A/E turbocharger?

Q. Connecting rod bolt got elongated during running how do we find out?

Q. Crankcase inspection of A/E?

Q. HP cutout in refer system reasons?

Q. Why do we reduce the temperature of air after first stage of air compressor?

Q. Boiler water treatment and chloride ppm high causes and precautions?

Q. Safety requirements of fuel injector testing?

Q. What are bench grinder safeties?

Q. As a fourth engineer in night watch the aux SW pump is leaking what is our action?

Q. Hole in SW pipe what to do?

Q. How will you remove broken stud if stud extractor is not available?

Q. How to renew SW flange packing?

Q. Priming and foaming and region and effect in boiler?

Q. Bilge pump is creating vacuum and it is not building up suction?

Q. How to improve efficiency of air compressor?

Q. Important of firing order min 6-7 point required?

Q. Advantage of super long stroke engine?

Q. How oxygen enters in boiler?

Q. A/E one unit exhaust pipe red hot what to do if only one unit onboard?

Q. Suppose you have generator of 6 cylinders and to check the tappet clearances of all units, how many revolutions of crankshaft is required?

Q. How will you cut out the fuel for particular unit?

Q. How will you check if exhaust valve is leaky if engine is in stopped condition?

Q. Cylinder cover is leaky, how will you know?

Q. Globe valve is leaky, how to check, how to check if it’s ok after being fixed?

Q. What is shearing pin, where used and why?

Q. Gauge glass traces of oil, immediate action and reasons?

Q. A/E lube oil inspection?

Q. A/E cylinder head stud broken inside, how to remove?

Q. Testing of LO low pressure alarm?

Q. How to find leaky LO cooler tube of A/E?

Q. How to know A/E exhaust/inlet valve is lapped properly?

Q. A/E piston what are the clearances after removing for decarb?

Q. A/E starting checks?

Q. One unit of aux engine bottom end bearing found very hot, what check and remedy?

Q. A/E main bearing overhaul?

Q. Lubrication in A/E?

Q. A/E main bearing removal (low on shell)?

Q. How to stop an aux engine if the fuel rack is stuck in on position?

Q. Auxiliary engine one unit leaking liner?

Q. Bottom end clearance if piston is out?

Q. Generator duplex filter changeover?

Q. A/E pre-check and A/E interlock?

Q. How to take out exhaust v/v?

Q. Fuel injector overhaul and test?

Q. OMD alarm, what actions to take?

Q. Main engine interlocks?

Q. Steering gear safeties?

Q. Boiler water chloride level, what you will do if not in range?

Q. Purifier overflow, what is the reason?

Q. Fresh water generator vacuum is not producing, what are the reasons?

Q. Jacket water increases for particular unit, what is the reason?

Q. What is purpose of unloader in compressor?

Q. What are the reasons for second stage relief valve is opening in air compressor?

Q. Annealing and normalizing?

Q. What does temperature gauge in refer system indicates?

Q. What is the relief valve lifting pressure in both stages of MAC?

Q. What will you check in ovality and checks on bearing bolts of the same?

Q. Caustic embrittlement? What’s it exactly?

Q. Liner wear types?

Q. Automatic starting air valve… How will u test it’s automatic working.

Q. FWG low vacuum. what will you check? Where do you think is the defect?

Q. Gear system name of purifier and what are the types of bearings.