A.servo-motor
B.swash plate
C.plunger
D.cylinder
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A.a change-over chest
B.a head tank
C.a emergency bilge pump
D.an air cooler
A.the hunting gear
B.the rudder stock
C.the rudder controller
D.the feedback unit
A.the control rod
B.the hunting gear
C.the floating ring
D.the tiller arm
A.air cooler
B.economizer
C.injector
D.air blower
A.to pump off
B.being pumped
C.pumping out
D.it pumping out
最新試題
A salinity indicator is used to determine the （）.
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?（）
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
Which of the following statements is correct concerning heat transfer?（）
A grease gun is generally used to lubricate a （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）