A.crankcase pressure
B.lube oil pressure
C.saltwater pressure
D.exhaust temperature
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A.operating the boiler at less than normal water level
B.installing fins on the firesides of water-tubes
C.increasing the amount of excess air to the burners
D.treating the boiler water with chemical oxygen scavengers
A.delivering the same quantity of fuel to each cylinder for each power stroke according to engine load
B.maintaining the metering adjustment for a reasonable period under all load conditions
C.timing fuel injection to obtain maximum power and good fuel economy
D.distributing the fuel to all parts of the combustion chamber for proper combustion
A.engine to the bed
B.rocker arm to the camshaft
C.crankshaft to the gear train
D.piston to the crankshaft
A.two fuel oil transfer pumps provided where one is to be independent of the main engine
B.two fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engine
C.engine driven transfer pumps and only used in constant speed applications
D.the capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached
A.Camshaft beatings
B.Main bearings
C.Piston crowns
D.Cylinder walls
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
In a simple mechanical governor, the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.