A.gas oil
B.marine diesel oil
C.residue oil
D.crude oil
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A.respectable
B.respectful
C.respective
D.respectively
A.pulse
B.exhaust
C.fluctuating
D.hunting
A.respectable
B.respectful
C.respective
D.respectively
A.flashing water
B.operating oil
C.flushing water
D.sealing water
A.faster than dead slow speed
B.slower than dead slow speed
C.with the output of MCR
D.at critical speeds
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Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The main purpose of the piston oil scraper rings is to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
In a simple mechanical governor, the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Proper filtering and straining of fuel oil is important because the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.