A.An expansion valve
B.An evaporator
C.A thermostat
D.A condenser
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A.servo-motor
B.swash plate
C.plunger
D.cylinder
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
最新試題
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
When the steering gear is in operation, you should （）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
The output volume of a positive fixed displacement pump can be changed only by （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.
A salinity indicator is used to determine the （）.