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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