Engineering, Control Systems. Test 17

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

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

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

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

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

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

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

any of the other options.
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).
losses in oil coolers.

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

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

What could be the consequence of inadequate valve tappet clearance?

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

Review Answers

Engineering, Control Systems. Test 17

Engineering, Control Systems. Test 17

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