Engineering, Control Systems. Test 17

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

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

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

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

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 indicator cocks, close safety valve, turn lubricators.
Open starting air, start booster pump, start stern tube pump.

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

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

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

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

What could be the consequence of inadequate valve tappet clearance?

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

Review Answers

Engineering, Control Systems. Test 17

Engineering, Control Systems. Test 17

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