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Gemiadamları Deneme Sınavları
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Denizcilik İngilizcesi - Geçme Notu: 75
Deneme Sınavı - 3 / Cevap
Anahtarı
1. All diesel
lubricating system must:
1) Have a forced feed mechanical lubricator
2) Prevent oil fog in the crankcase to avoid crankcase explosion
3) Provide oil for cooling the piston and cylinder wall
4) Provide a film of oil
between the piston and cylinder wall
5) None of the above
2. Which of the following is highly
advised to be used for washing turbo charger blower by the
manifacturers?
1) Hot water
2) ACC9 + Hot water
3) Fitter clean + hot water
4) Carbon remover + hot water
5) Descales liquid + hot water
3. When does a two stroke cycle
diesel engine produce a power stroke in each cylinder?
1) Once in every 2 revolutions of the crankshaft
2) Once for every 4 stroke of the piston
3) Once for every 2
stroke of the piston
4) Directly after the exhaust stroke
5) None of the above
4. "The intake valve is open and
exhaust valve is closed. The air is drawn into cylinder while
the piston is moving downward" defines;
1) power stroke
2) compression stroke
3) intake stroke
4) exhaust stroke
5) combustion
5. To produce steam on board a ship,
................. are mostly used.
1) steam turbines
2) purifiers
3) boilers
4) clarifiers
5) evaporators
6. If the quantity of oil and
particles in separated oily water is ...... 15ppm, it can be
drained overboard.
1) below
2) over
3) at
4) above
5) up
7. ....................... leads
excessive lost motion in the valve mechanism of a duplex pump.
1) The pump to short stroke continously
2) The pistons to stop in mid stroke
3) The pump to operate
sluggishly
4) The cushioning valves to wear
5) 1 ve 2
8. A steam turbine has curved
blades. What word can be used as the opposite of the underlined
word?
1) straight
2) flat
3) sharp
4) smooth
5) vertical
9. Low head pressure can be caused by ...........
1) Too much condensing water
2) Too cold condensing water
3) Leaky discharge valves
4) Insufficient change of refrigerant
5) Any of the above
10. Which of the followings is not one of the qualities
of the governor?
1) The main control device on the engine
2) Controls the engine speed when the power is required to
change
3) The supplementary
control device on the engine
4) Can be adjusted automatically
5) Made up of speed sensing arrangement and hydraulic unit
11. ....................... the
fire pumps are at work.
What word can be used instead of underlined part?
1) inoperable
2) operable
3) in operation
4) arranged
5) out of order
12. When purging a refrigeration
system, the compressor is .......................
1) Running
2) Running with the bypass open
3) Shut down
4) Running with the bypass closed
5) Running stedily
13. The main components of
crankshaft assembly are webs, pins and journals. What word can
be used instead of the underlined word?
1) purposes
2) sides
3) parts
4) types
5) means
14. Blue smoke coming from the
diesel exhaust would indicate:
1) Excessive fuel consumption / unburned fuel
2) Burning of lube oil
due to possible blow by
3) Lean fuel / air mixture, too much air
4) Less amount of fuel consumption
5) None of the above
15. In a 2 stroke engine each
revolution of the crank is completed within the angle of ......
1) 360°
2) 180°
3) 720°
4) 90°
5) 45°
16. Which of the following indicates pump's function
instead of its structure?
1) bilge pump
2) centrifugal pump
3) positive displacement pump
4) gear pump
5) reciprocating pump
17. When the separated oil is burnt by an
.................. the application is recorded in Oil Record
Book.
1) oily water separator
2) ejector
3) incinerator
4) chlorinator
5) aeration chamber
18. "manometer" measures:
1) Air pressure
2) Steam pressure
3) Oil pressure
4) Water pressure
5) Oil temperature
19. What word has a positive meaning?
1) abrasion
2) corrosion
3) contaminate
4) overpressure
5) overhaul
20. Why do you add cornstarch to an
evaporator?
1) To cut down on
priming and scale
2) To make the water taste better
3) To prevent high temperatures
4) To increase the rate of vaporization
5) To reduce the temperature of fresh water
