单项选择题
If exhaust temperatures are too high, you should check （）.
A.air cooler
B.turbocharger
C.charge air
D.A+B+C
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相关考题
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Defective timing gear in a diesel engine may lead to （）.
A.smoky exhaust
B.starting failure
C.overload
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Defective governor in a diesel engine may lead to （）.
A.smoky exhaust
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单项选择题
Defective air cooler in a diesel engine will lead to （）.
A.smoky exhaust
B.starting failure
C.overload
D.over speed
