A.a differential gear
B.return springs
C.a hydraulic accumulator
D.relief valves
您可能感興趣的試卷
你可能感興趣的試題
A.function when the rudder is amidships
B.relieve excess whip pressure from the hydraulic oil system
C.protect the piping assembly from external rudder shock
D.relieve excessive telemotor pressure
A.Rudder angle indicator
B.Follow-up gear
C.Electric transmitter
D.Rudder angle limit switch
A.return springs
B.six-way valve
C.follow-up gear
D.differential gear
A.the steering pumps overspeeding
B.a jammed open relief vale
C.a constantly occurring improper rudder response
D.excessive ram pressure
A.changing over to hand pump operation
B.engaging the trick wheel
C.the system has been filled with new oil
D.the rudder angle indicator does not match the helm position
最新試題
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
To proceed to the assistance of a ship in distress is()
The shipboard oil pollution emergency plan will be invalid after ()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
() is not installed on the main switchboar.
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish