A.it gets dark in color
B.a sample rubbed between fingers feels thin
C.it has been in use for a specified interval
D.it no longer supports combustion
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A.decrease your engine speed
B.ignore it
C.increase your engine speed
D.stop your engine until the rough weather passes
A.discharge a CO2 extinguisher in the air inlet
B.pull off the distributor cap
C.secure the jacket water
D.secure the starting air supply valve
A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor
A.Light blue haze
B.Light brown haze
C.Light gray haze
D.Perfectly clear
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How would the exhaust of a properly operating diesel engine appear?（）.
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
What is the purpose of the intake/exhaust valves in a diesel engine? （）
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）
Vessels required to be equipped with an approved backfire flame arrester are（）.
Sudden unloading of a diesel engine can cause（）.
Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.
Overspeed of the diesel engine driving an electric generator could cause（）.
What condition will result in the automatic shutdown of a diesel engine? （）
The engine in a covered lifeboat is fueled with（）.