Anasayfa > Online Test > Uzakyol Vardiya Mühendisi > Denizcilik İngilizcesi - Deneme Sınavı 4 Cevap Anahtarı
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Gemiadamları Deneme Sınavları


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Denizcilik İngilizcesi - Geçme Notu: 70


Deneme Sınavı - 4 / Cevap Anahtarı

1. The turbocharger of an auxilliary diesel engine is most effected by
1) Air inlet manifold pressure
2) Engine speed
3) Exhaust temperature
4) Engine load
5) None of the above

2. The low pressure side of a refrigeration system is from the:
1) Expansion valve to compressor
2) Compressor to expansion valve
3) Expansion valve to the evaporator
4) Condenser to the expansion valve
5) None of the above

3. The valve which is always partially open when the evaporator is in operation is the:

1) Vapor valve
2) Continuous blowdown valve
3) Bottom blowdown valve
4) Surface blowdown valve
5) Bottom blowup valve

4. An over speeding diesel engine could best be stopped by:
1) Disconnecting the battery cables from the stating motor
2) Blocking the air intake and securing the fuel supply
3) A raining the hydraulic fluid from the governor sump
4) Blocking the flow of cooling air to the radiator
5) Both 3 and 4

5. The dehydrator on a refrigeration plant is used to:
1) Add moisture to the system
2) Remove moisture from the system
3) Remove air from the system
4) Remove oil from the system
5) Both 3 and 4

6. The colis in the evaporator are attached to the header by:
1) Pipe nipples
2) Union type fittings
3) Welding
4) Bolted flances
5) Both 3 and 4

7. The oil level in the compressor should be checked:
1) While the compressor is in operation
2) Just before starting the compressor
3) After a long period of operation
4) For both 2 and 3
5) None of the above

8. What is the advantage of using a hydraulic starting system for an emergency diesel?

1) The system is inexpensive
2) High pressure lines are not required
3) It is compact
4) Faster cranking speeds are obtained
5) None of the above

9. ....................... is the first signal of lube - oil trouble.
1) Lube oil gravity tank low level alarm goes off
2) Low lube oil sump level
3) Low outlet temperature from lube oil coolers
4) No flow throught bull's eye from gravity tank observed
5) 1 ve 2

10. Regardless of the geographical location of on oil spill, you should notify the .................
1) Local police department
2) Local fire department
3) Corps of Engineers
4) Coast Guard
5) The pilot

11. Cylinder liner are generally used on diesel engines because:
1) Liners may be easily replaced after the cylinder watls show wear
2) Liners provide a more efficient coding system
3) Rubbing speeds are reduced through the use of liners
4) Liners provide a beter lubricating surface
5) None of the above

12. The TEV (thermostatic expansion valve) is located between:
1) The receiver and the king valve
2) The king valve and solenoid
3) Both 1 and 2
4) The solenoid valve and evaporator
5) The charging valve and solenoid

13. Minor freon leaks can be detected by the use of a device called:

1) A freon visible leak detector
2) A freon audible leak detector
3) The blue oven flame detector
4) Halide torch
5) None of the above

14. What type of gauge reads pressure and vacuum?
1) Duplex
2) Simplex
3) Both 2 and 3
4) Compound
5) Bourdon tube

15. What would cause white smoke after you just started the diesel?

1) Too week battery power
2) Water in the fuel
3) Water in the gas
4) Water in the oil
5) Salt water in cooling water

16. Worn bearings, rings, and valves all contribute to:
1) Poor reversal
2) Quiet operation
3) Hard starting
4) High pressure
5) None of the above

17. In a diesel engine closed cooling system, the flow of fresh water through the fresh water and lube oil coolers is  controlled by the:
1) Speed of the engine
2) Speed of the pump impeller
3) Automatic temperature regulator
4) Suction pressure regulator
5) Governor

18. As freon leaves the expansion valve:
1) Pressure decreases - volume increases
2) Volume decreases - pressure increases
3) Volume increases - pressure increases
4) Pressure increases — volume decreases
5) None of the above

19. Most gauges in the fire room are:
1) Manometers
2) Thermocouples
3) Dual purpose
4) Thermometers
5) Bourdon tube - type

20. The bulb for the TEV (thermostatic expansion valve) is located:

1) In the middle of the evaporator coils
2) Near the evaporator coil outlet
3) Near the evaporator coil inlet
4) On the bottom row of the evaporator
5) None of the above

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