A.proceeding
B.overloading
C.collision
D.flooding
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A.every oil tanker
B.every ship of 400 tons gross tonnage and above
C.A and B
D.Neither A nor B
A.Non automatic discharge overboard of machinery space bilge water
B.Automatic discharge overboard of machinery space bilge water
C.A and B
D.Neither A nor B
A.open
B.close
C.remain in its position
D.flood the evaporator with refrigerant
A.low water level
B.low oil pressure
C.excessively high fuel pressure
D.an improper air/fuel ratio
A.Condenser leakage
B.A shortage of liquid refrigerant
C.Excessive frost on the evaporator
D.Not enough condenser cooling water
最新試題
When the steering gear is in operation, you should （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
A salinity indicator is used to determine the （）.
Which of the listed pumps is NOT a positive displacement pump?（）
One cause of high head pressure occurring in a refrigeration system can be （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
The major source of chemical contaminants in hydraulic fluid is （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.