單項(xiàng)選擇題What does a pyrometer measure on a diesel engine? ()

A.Water temperature
B.Water pressure
C.Exhaust temperature
D.Air box pressure


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1.單項(xiàng)選擇題What condition will result in the automatic shutdown of a diesel engine? ()

A.High jacket water pressure
B.High lube oil pressure
C.Low lube oil pressure
D.Excessive turbo charger speed

2.單項(xiàng)選擇題Vessels required to be equipped with an approved backfire flame arrester are().

A.those with diesel engines
B.all those with gasoline engines
C.those with large engines only
D.None of the above

3.單項(xiàng)選擇題The ship has a diesel engine()a supercharger.

A.with
B.of
C.on
D.over

4.單項(xiàng)選擇題The pivot pin at the base of a sheath-screw boom davit must be().

A.inserted each time before the booms are cranked out
B.periodically removed for inspection and lubricated
C.replaced at each inspection for certification
D.in the locked position after the boat is cradled and griped down

5.單項(xiàng)選擇題The part of a windlass which physically engages the chain during hauling or paying out is the().

A.devil's claw
B.bull gear
C.wildcat
D.cat head