单项选择题X 纠错
A.Height of the machine
B.Temperature of the liquid seal
C.Gravity disc
D.Bowl diameter
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单项选择题
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
单项选择题
A.strangers
B.relief valves
C.emergency valves
D.strainers
单项选择题
A.proceeding
B.overloading
C.collision
D.flooding
单项选择题
A.every oil tanker
B.every ship of 400 tons gross tonnage and above
C.A and B
D.Neither A nor B
单项选择题
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
单项选择题
A.open
B.close
C.remain in its position
D.flood the evaporator with refrigerant
单项选择题
A.low water level
B.low oil pressure
C.excessively high fuel pressure
D.an improper air/fuel ratio
单项选择题
A.Condenser leakage
B.A shortage of liquid refrigerant
C.Excessive frost on the evaporator
D.Not enough condenser cooling water
单项选择题
A.high discharge pressure
B.frosting of the crankcase
C.high temperature of the overboard water
D.low suction pressure of compressor
单项选择题
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