A.a broken shaft on the freshwater pump
B.an excessive accumulation of scale exchanger
C.an incorrect thermostatic element operating range
D.lube oil in the cooling water
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A.varying the pump discharge pressure
B.varying the pump return pressure
C.rotation of the pump plunger
D.rotation of the pump barrel
A.accumulator spring compressor
B.balance piston
C.compensating needle valve
D.proportional piston
A.speed droop
B.compensation
C.idle speed setting
D.load limit control
A.Large misalignments can be tolerated between the shaft and engine coupling
B.Slip is held to a minimum when reversing shaft rotation
C.Engine torsion vibrations to the driven shaft are eliminated
D.It aids in maintaining power factor
A.actuation
B.sensitivity
C.compensation
D.thrust shaft
最新試題
The main purpose of port State control is not to（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The shipboard oil pollution emergency plan will be invalid after （）
The condensers located in various stages of a flash evaporator are cooled by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）