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Gemiadamları Deneme Sınavları
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edilmez.
Denizcilik İngilizcesi - Geçme Notu: 60
Deneme Sınavı - 5 / Cevap
Anahtarı
1. Static
electricity is most often produced by ........................
1) Pressure
2) Heat
3) Magnetism
4) Friction
5) Motion
2. Fire tube boilers are designed
to operate within the conditions of:
1) High pressure, temperature
2) Low pressure,
temperature
3) High capacity and quick steam raising process
4) Low capacity but quick steam raising process
5) High capacity but they are heavy
3. If one fuel oil strainer of a
duplex unit becomes clogged while your vessel is steaming at sea,
you should first:
1) Clean the dirty strainer as quickly as possible
2) Change the strainer
over to the clean side
3) Stop the fuel oil service pump
4) Open the strainer bypass valve
5) Stop the engine
4. ....................... is the
principal hazard to staff when a diesel nozzle tester is in use
is.
1) Electrical shock
2) Toxic fumes
3) Explosion
4) Blood poisoning
5) Loosing consciousness
5. The usual cause of crankcase
explosions in diesel engines is not ............
1) Heating lubricating
oil
2) Overheating lubricating oil
3) Poor condition of the cylinder
4) Crank shaft bearing failures maintanance
5) Any above
6. Another name for the liquid
valve is:
1) Master valve
2) King valve
3) Freon valve
4) Shut off valve
5) None of above
7. ................. is not one of
the advantages of the open cooling system.
1) Being the simplest system
2) No requirement of heat exchange
3) Obligation of keeping
engine cool
4) The requirement of only one water circulating pump
5) The requirement of 2 water circulating pumps
8. Before starting an auxiliary
diesel engine, you should:
1) Change fuel oil strainers
2) Clean the air filter
3) Check the crankcase
oil level
4) Vent the cooling system
5) Clean flywheel
9. Scavenging means
.......................... on an internal combustion engines.
1) The removal of
exhaust gases by blowing in fresh air
2) The filling of the engine cylinder with a supply or change of
fresh air
3) The formation of exhaust gases within the cylinder
4) The removal of exhaust gases
5) Any above
10. What types of lubricating oil
systems are used on diesel engines?
1) Forced feed and gravity
2) Forced feed and splash
3) Both 1 and 2
4) Gravity and wick
5) Wet sump and dry sump
11. What is the high pressure side
of the refrigeration system?
1) Compressor to condenser
2) Evaporator to compressor
3) Expansion valve to evaporator
4) Compressor to
expansion valve
5) Evaporator
12. Pre combustion chambers in a
diesel engine:
1) Require that each cylinder use two spray nozzles
2) Require the use of fiat crowned pistons to obtain turbulence
3) Permit the use of a
wide range of fuel in that engine
4) Contain all of the air charge at the end of the compression
stroke
5) Require that each cylinder use more than four spray nozzles
13. What is the flexible coupling
used for?
1) Small amount of
misalignment
2) Take up for vibration in the shaft
3) To allow for expansion
4) Connects between the bull gear and the tail shaft
5) To allow for streching
14. If a bilge pump failed to build
up discharge pressure, you should check for:
1) Excessive water in the bilges
2) A clogged suction
strainer
3) Oil in the bilges
4) A closed skin valve
5) None of the above
15. Fuel is ignited in the cylinder
of an operating diesel engine by:
1) The heat of
compression within the cylinder
2) A spark plug in the pre-combustion chamber
3) An electrical discharge from the distributor
4) Heat from the fuel injection nozzle
5) With a simple spark plug
16. Under normal operational conditrons, the rudder is
hydraullically locked unless ...................
1) The manual trick wheel is engaged for steering
2) The pupm is off stroke
3) A normal rudder order
is given by the control system
4) An electric power failure occurs at the steering gear
5) 1 and 2
17. A propeller turning clockwise
when viewed from aft is considered right handed nost single
screw ships have ................ propellers. A twin screw
ship usually has .................................... propeller
and a .............................. propeller.
1) Right handed / right
handed starboard / left handed port
2) Right handed / right handed port / left handed starboard
3) Left handed / right handed starboard / left handed port
4) Left handed / right handed port / left handed starboard
5) Right handed / left handed starboard / right handed port
18. 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
19. The solenoid valve can be typed
as a:
1) Thermal valve
2) Magnetic stop valve
3) Bellows valve
4) Bimetallic valve
5) Both 3 and 4
20. A "pneumercator" measures:
1) Oil pressure
2) Air level
3) Liquid level
4) Air pressure
5) Air temperature
