1. Every mechanical governor has ---------------------- as its basic element.
C) Weights acted on by centrifugal force
2. In a 4 stroke engine 2 revolution of the crank is completed within.the angle of --------
7200
3. What will happen to a small diesel engine that is equipped with an “auto type” thermostat if the bellows develop a hole in it?
The engine will overheat
4. What term is used to describe the loss of combustion pressure due to worn rings and liner?
Blow by
5. ................... is one of the moving parts of the diesel engine.
A and C
7. Low lubricating oil temperature at reduced loads can be avoided by regulation the:
Cooler bypass valve
8. All of the following are used for low temperature starting, except:
Cylinder compression ratio reduced
9. If a centrifugal pump is noisy with excessive vibration during its operation, the cause would most likely be due to .......
Bent shaft
10. -------------------------leads excessive lost motion in the valve mechanism of a duplex pump.
The pump to operate sluggishly
11. The purpose of the low pressure cutout switch is to:
Cut compressor in and out at a preset pressure
12. Which below can be named as device for controlling speeds of turbines?
All above
13. The drains from both effects in a low pressure evaporator have their pressures equalized in the:
A) Flash chamber
14. All refrigerator compressor valves are opened and closed via ………….
D) A or C
15. Prior to port arrival, a diesel alternator ...................... , turbo alternator ..................., and all the full away procedure should be done ..........................
Will have to be started/will be shut down/in reverse order
16. When oil is heated, it becomes ......
Less viscous
17. Low head pressure can be caused by ........
Any of the above
18. --------is hardly the cause of a smoky diesel engine exhaust.
Inappropriate amount of fuel
19. If the quantity of oil and particles in separated oily water is ......... 15 ppm, it can be drained overboard.
A) below
20. Flashlights used aboard tankers must be........
B) Of the three cell type
13 Mart 2008 Perşembe
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