单项选择题
Air trapped in the hydraulic fluid of a steering system should be indicated by （）.
A.the pump over-speeding
B.an improper rudder response
C.bubbles in the sight glass
D.ram relief valves lifting
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相关考题
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单项选择题
Overgreasing of ball bearings installed on pumps will result in （）.
A.smoother pump operation
B.overheating of the bearing
C.reduced corrosion in the bearing
D.increased pump capacity -
单项选择题
The energy associated with molecules is known as （）.
A.kinetic energy
B.potential energy
C.mechanical energy
D.thermal energy -
单项选择题
“Flooding back” is a condition where the liquid refrigerant （）.
A.vaporizes in the condenser
B.reaches the compressor through the suction line
C.flashes in the liquid line
D.condenses in the receiver
