A.a motor-driven steering wheel
B.a pneumatic steering wheel
C.a hand-driven steering wheel
D.an electric steering wheel
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A.the tiller arms
B.the swivel blocks
C.hunting gears
D.the rams
A.horizontal axis
B.crankshaft
C.vertical axis
D.camshaft
A.neutral
B.end
C.opening
D.closure
A.windlasses
B.drums
C.capstans
D.warp ends
A.horse power
B.high pressure compressor
C.hand pump
D.high pressure
最新試題
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
The major source of chemical contaminants in hydraulic fluid is （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
A grease gun is generally used to lubricate a （）.
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
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?（）
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.