A.Height of the machine
B.Temperature of the liquid seal
C.Gravity disc
D.Bowl diameter
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A.Accidental discharge of oil
B.Disposal of oil residues
C.Quantity of water produced by FWG
D.Discharge of dirty ballast or cleaning water from fuel oil tanks
A.strangers
B.relief valves
C.emergency valves
D.strainers
A.proceeding
B.overloading
C.collision
D.flooding
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
A.high discharge pressure
B.frosting of the crankcase
C.high temperature of the overboard water
D.low suction pressure of compressor
A.upper part of the receiver
B.upper part of the condenser
C.down stream end of the cooling coil
D.outlet end of the condenser
最新试题
The output volume of a positive fixed displacement pump can be changed only by （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
The general purpose of a heat exchanger is to （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
Which of the following statements is correct concerning heat transfer?（）
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
The major source of chemical contaminants in hydraulic fluid is （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
The usual symptoms of cavitation in a centrifugal pump is （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.