A.brake capabilities
B.reversing capabilities
C.maneuvering capabilities
D.acceleration capabilities
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A.28 seconds;7 knots
B.28 seconds;14 knots
C.60 seconds;7 knots
D.60 seconds;14 knots
A.more than 28 seconds
B.more than 60 seconds
C.less than 28 seconds
D.less than 60 seconds
A.Sodium hydroxide
B.Sodium carbonate
C.Sodium nitrate
D.Sodium polyphosphate
A.expand
B.extract
C.increase
D.decrease
A.escapes
B.overheats
C.expands
D.accelerates
A.be interrupted
B.move downwards
C.move outwards
D.retain original position
A.Height of the machine
B.Temperature of the liquid seal
C.Gravity disc
D.Bowl diameter
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
最新试题
When the steering gear is in operation, you should ().
Low compressor head pressure in a refrigeration system can be caused by().
An excessive charge of refrigerant in an air-cooled refrigeration system can cause ().
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 problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?()
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump ().
The usual symptoms of cavitation in a centrifugal pump is ().
The major source of chemical contaminants in hydraulic fluid is ().
The rate of heat transfer from a hot region to a cold region is affected most by the ().
The general purpose of a heat exchanger is to ().