A.the same indicated horsepower as a four-stroke/cycle engine
B.twice the indicated horsepower as a four-stroke/cycle engine
C.one half indicated horsepower as a four-stroke/cycle engine
D.one power stroke for every two crankshaft revolutions
您可能感興趣的試卷
你可能感興趣的試題
A.opposed-piston engine
B.double-acting engine
C.two-stroke/cycle engine
D.four-stroke/cycle engine
A.more power strokes per revolution
B.the use of scavenge air
C.more complicated valve gear
D.higher working temperature of the piston and cylinder
A.less even torque
B.higher cylinder head temperatures
C.fewer power strokes per revolution
D.greater weight/size requirements
A.higher working temperature of piston and cylinder
B.the use of scavenge ports
C.fewer power strokes per revolution of the crankshaft
D.part of the fuel is burned as the piston is moving away from top dead center
A.length of the crankshaft
B.volume of the clearance space
C.weight of piston
D.length of the stroke
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The shipboard oil pollution emergency plan will be invalid after （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
（） is not installed on the main switchboar.
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The main purpose of port State control is not to（）
If separating effect is not good, which measure should be taken （）