A.exhaust pressure
B.valve spring pressure
C.rocker arm movement
D.wrist pin movement
您可能感兴趣的试卷
你可能感兴趣的试题
A.piston rod guides
B.engine thrust bearing
C.crosshead bearing
D.main shaft flexible coupling
A.opening the exhaust ports
B.placed on top of the engine along its centerline
C.farthest from the cylinder head
D.nearest to the cylinder head
A.Intake stroke
B.Compression stroke
C.Exhaust stroke
D.Pumping stroke
A.opening the exhaust ports
B.closing the fuel ports
C.farthest from the cylinder head
D.nearest to the cylinder head
A.indicated horsepower
B.mean effective pressure
C.exhaust back pressure
D.compression pressure
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
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
最新试题
The treatment of the fuel oils involves storage, heating, filtering and()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
Using a file without a handle may result in ()
Which of the following items don’t belong to dock repair works?()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The shipboard oil pollution emergency plan will be invalid after ()
The ISPS Code consists of a mandatory section-Part A, which shows()
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()