单项选择题
In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in （）
A.increased engine back pressure
B.sulfuric acid corrosion
C.surface pitting of the turbocharger
D.moisture impingement on the turbocharger compressor blade
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相关考题
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单项选择题
When a diesel engine compression pressure is checked, the indicator is connected to the （）
A.cylinder exhaust ports
B.injection line
C.cylinder indicator cock
D.banjo oiler line -
单项选择题
Diesel engine mufflers accomplish noise reduction by （）
A.reducing exhaust gas velocity
B.increasing the frequency of gas vibration
C.the use of long head pipes
D.the use of zinc electrodes -
单项选择题
An indication of an overloaded main propulsion diesel engine is （）
A.white smoke in the exhaust
B.high exhaust gas pyrometer readings
C.sparks in the exhaust
D.blue smoke in the exhaust
