A.air or water in the furnace
B.combustion pulses
C.fuel oil pump failure
D.flame failure
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A.air supply is shut off
B.fuel supply is shut off
C.water supply is shut off
D.safety valve lifts
A.high steam pressure in the boiler
B.abnormally high feed water temperature
C.abnormally high boiler water temperature
D.steam demand exceeding feed pump capacity
A.Clogged air intake falters
B.Piston blow-by
C.A defective after-cooler
D.Faulty exhaust valves
A.Splash
B.Gravity
C.Pressure
D.Bypass
A.scavenging action of the piston
B.piston type vacuum pump taking suction off a differential manometer
C.gland exhausting manometer
D.crankcase exhaust fan
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Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A thrust bearing is used with a propulsion diesel engine to （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
To determine if the lube oil filter elements need changing, （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Proper filtering and straining of fuel oil is important because the （）.