题目
A.overload on the pump motor
B.low fluid level in the reservoir
C.low fluid viscosity around the shaft seal
D.high oil level in the sump
第1题
Electrical circuits are protected against overheating by means of a/an _______.
A.circuit breaker
B.amplifier
C.diode (二极管)
D.capacitor
第2题
A.slack
B.hot
C.overheating
D.right
第3题
The government should () for an overheating economy and possible inflation.政府应当提防经济过热和可能产生的通货膨胀。
A、watchin
B、watchup
C、watchdown
D、watchout
第4题
A.phrase
B.physical
C.phenix
D.phased
第5题
The item ______ is not the advantage of the hydraulic winch.
A.less jerky starts
B.less jerky stops
C.overheating worries
D.none of the overheating worries
第6题
A.reduce heat radiation to the engine room
B.aid in preventing turbocharger overheating
C.condense and drain moisture from exhaust gases
D.dampen exhaust gas pulsations in the manifold
第7题
A、vehicle
B、truck
C、train
D、trunk
第8题
A.the sudden and complete failure of a company, organization, or system
B.severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
第9题
A.excessive speed
B.improper warm-up
C.extreme misalignment
D.inadequate lubrication
第10题
A.refrigerant bubbles in the lube oil
B.refrigerant reducing the lube oil viscosity
C.oxidation(氧化) of the lube oil from overheating
D.reducing the floc or cloud point of the oil
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