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
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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
最新試題
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）
Low compressor head pressure in a refrigeration system can be caused by（）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
Which of the listed pumps is NOT a positive displacement pump?（）
The usual symptoms of cavitation in a centrifugal pump is （）.
A salinity indicator is used to determine the （）.
An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.