speed, torque, and horsepower production
firing order, valve timing, and valve lift
fuel consumption, efficiency, and cylinder pressure
scavenge pressure, compression ratio, and exhaust pressure
第1题：
principle
principal
cause
case
第2题：
electric
heat
mechanical
exhaust
第3题：
For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because
A.changing filter elements would not interrupt engine operation
B.filtering occurs twice in each pass of oil through the system
C.clogging will not occur
D.dropping pressure is half of that through a single filter unit
第4题：
free entry of air to the crankcase
water entering the crankcase while engine wash-downs are being performed
excessive oil leakage during periods of increased blow-by
sub-cooling internal components
第5题：
point of opening
speed of opening
lift from its seat
all of the above
第6题：
cylinders
exhaust valves
pistons
fuel valves
第7题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
第8题：
One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.
A.governor sensitivity
B.exhaust temperature
C.fuel injection pressure
D.speed of the cam shaft
第9题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第10题：
sliding the camshaft along its axis
rotating the cam 180
rotating the cam followers 180
moving the idler sprockets in the drive chain