A.interlocked
B.interconnected
C.interfered
D.interacted
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A.hydraulic steering
B.follow-up steering
C.remote control steering
D.air controlled steering
A.An expansion valve
B.An evaporator
C.A thermostat
D.A condenser
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
最新試題
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
Thermostatic expansion valves can be adjusted for （）.
The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
The major source of chemical contaminants in hydraulic fluid is （）.
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 （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.