A.fuel oil vapor at the sludge tank vent
B.unburned fuel vapors in the scavenge air receiver
C.lube oil vapors in the crank case
D.lube oil vapors in the engine room
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A.during the valve overlap period
B.with only the exhaust valve open
C.at a pressure below atmospheric
D.without cooling the cylinders or pistons
A.a short length of heavy duty clear plastic tubing
B.a length of approved flexible nonmetallic hose
C.welded flange connections for all joints
D.aluminum piping with expansion loops
A.pick up more of any increase in load
B.pick up less of any increase in load
C.share an equal amount of any increase in load
D.drop an equal amount of any decrease in load
A.coolant for the distillate
B.coolant for the brine cooler
C.means of heating the feedwater
D.primary means of producing a vacuum within the distiller
A.avoid unnecessary pints inventory
B.keep torsional vibration constant
C.use existing supports and braces
D.maintain specified injection characteristics
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The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Maximum horsepower of a diesel engine is attained （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
To determine if the lube oil filter elements need changing, （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
An automated diesel engine should normally shut down due to （）