A.Higher compression ratios create higher temperature
B.Higher temperatures create higher compression ratios
C.low temperatures create higher compression ratios
D.Higher compression ratios create low temperatures
您可能感兴趣的试卷
你可能感兴趣的试题
A.torque wrench
B.monkey wrench
C.pipe wrench
D.slugging wrench
A.Electric
B.Hydraulic
C.Air
D.All of the above
A.build up the piston crown by metal spraying
B.build up the cylinder head by metal spraying
C.insert shims between the crankpin bearing box and the connecting rod foot
D.install a thinner head gasket
A.cetane number of 55
B.cetane number of 45
C.octane number of 55
D.octane number of 45
A.increase
B.decrease
C.remain the same
D.increase on compression decrease on expansion
A.ignition quality of the fuel
B.high heating value of the fuel
C.amount of carbon residue after combustion
D.internal flow resistance in the injectors
A.has little or no internal friction
B.has a lower effective compression ratio
C.operates with scavenge air under a positive pressure
D.operates without energy absorbing intake and exhaust strokes
A.Decreased connecting rod bearing clearance
B.Increased connecting rod bearing clearance
C.Decreased compression ratio
D.Increased compression ratio
A.less fuel will enter the cylinder
B.higher the cylinder combustion temperature
C.more complete the fuel combustion
D.more rapid the rise in combustion pressure
A.dust entering the high pressure stage
B.lube oil carbonization
C.discharge pulsations
D.inter-stage vapor lock
最新试题
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
The ISPS Code consists of a mandatory section-Part A, which shows()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
Under MARPOL Code the ship to which it applies has to carry ()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
The shipboard oil pollution emergency plan will be invalid after ()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?()