Engineering, Control Systems. Test 17

What preparations are required regarding PISTONS and CYLINDER LINERS of a diesel engine prior to departure stand-by?

Preheat cylinders and pistons, turn engine, turn cylinder lubricators.
Close safety valve, put out turning gear, open air bottles.
Open starting air, start booster pump, start stern tube pump.
Open indicator cocks, close safety valve, turn lubricators.

Experience and feedback shows that excessive oil losses in an engine installation are most frequently caused by _____ .

any of the other options.
losses in oil coolers.
malfunctioning of the valves during the cleaning of the filters of the lubricating oil system.
excessive oil in the cylinder being burned during combustion (defective piston/scraper rings).

If the outlet temperature 'Tout' is kept constant at 65 degrees C and during normal sea speed the inlet temperature 'Tin'is 62 degree C, what would 'Tin' show during engine slow down ?

Inlet temperature 'Tin' will decrease.
Inlet temperature 'Tin' will be kept constant by controller.
Inlet temperature 'Tin' will increase.
Inlet temperature 'Tin' will fluctuate.

What could be the consequence of inadequate valve tappet clearance?

High exhaust temperatures.
Accelerated valve gear wear.
Exhaust valve leaking causing possible damage to seat and valve.
High jacket water temperatures.

What is the simplest method of checking the fuel injection point on a 4 stroke Diesel engine?

Direct from the fuel pump cam position.
Remove 'D' valve and use spill method.
Checking fuel pump plunger movement with dial gauge.
Checking fuel pump plunger movement with depth gauge.

If the main engine jacket cooling water expansion tank level drops rapidly, what could this indicate?

Any of these.
There is an internal leak in the engine.
There is a leakage in external piping.
There is a leak in the jacket cooling water cooler.

If you are going to enter the engine's crankcase, how should you secure the engine after you have closed the main starting air valve?

Close all starting air valves and post a warning notice on the start air bottle.
Close absolutely all valves on the starting air bottle.
Keep a man posted in the control room to watch that nobody tries to start the engine.
Engage the turning gear on the engine.

Review Answers

Engineering, Control Systems. Test 17

Engineering, Control Systems. Test 17

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