A.changing the direction of exhaust gas flow
B.increasing the exhaust gas velocity
C.changing the exhaust gas weight
D.increasing the exhaust gas static pressure
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A.high lube oil temperature
B.low lube oil temperature
C.excessive cylinder cooling
D.high air injection pressure
A.increased engine back pressure
B.sulfuric acid corrosion
C.surface pitting of the turbocharger
D.moisture impingement on the turbocharger compressor blade
A.cylinder exhaust ports
B.injection line
C.cylinder indicator cock
D.banjo oiler line
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
A.white smoke in the exhaust
B.high exhaust gas pyrometer readings
C.sparks in the exhaust
D.blue smoke in the exhaust
最新試題
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The shipboard oil pollution emergency plan will be invalid after （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（） is not installed on the main switchboar.
Which of the following items don’t belong to dock repair works?（）
Using a file without a handle may result in （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）