double-acting engine
opposed pistons engine
single-acting engine
horizontal acting engine
第1题：
_____ the engines, the diesel engine is ____ used engine on board
A.Between / more commonly
B.Among / the most commonly
C.Between / not more commonly
D.Among / not the most commonly
第2题：
Ⅰ+Ⅱ
Ⅱ+Ⅲ
Ⅲ+Ⅳ
Ⅰ+Ⅳ
第3题：
Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?
A.Control the amount of lube oil burned in the combustion chamber
B.Transmit heat from the piston to the cylinder liner
C.Prevent damage to ring groove inserts by acting as a heat dam
D.Dissipate combustion chamber gas pressure by channeling it through the ring gap
第4题：
decreased fuel consumption per brake horsepower
more complete cylinder scavenging
extended valve life
carbon formation on combustion chamber surfaces
第5题：
Crankshaft revolution
Type of engine (diesel or gasoline)
Distance a piston travels during a stroke
Number of pistons
第6题：
spark plugs
glow plugs
heat of compression
a magneto
第7题：
high compression pressure
low intake air temperature
low exhaust pressure
high scavenge air temperature
第8题：
A.Close the inlet and outletvalves for diesel oil
B.Open the air nozzles in the secondary combustion chamber until it stops
C.Open the air nozzles in the primary combustion chamber until it stops
D.Close inlet valve for pressurized air
第9题：
Control the amount of lube oil burned in the combustion chamber
Transmit heat from the piston to the cylinder liner
Prevent damage to ring groove inserts by acting as a heat dam
Dissipate combustion chamber gas pressure by channeling it through the ring gap
第10题：
delivering the same quantity of fuel to each cylinder for each power stroke according to engine load
maintaining the metering adjustment for a reasonable period under all load conditions
timing fuel injection to obtain maximum power and good fuel economy
distributing the fuel to all parts of the combustion chamber for proper combustion