A.lead
B.forged steel
C.alloy steel
D.aluminum alloy
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A.cast iron
B.forged steel
C.stainless steel
D.aluminum alloy
A.lifted
B.reassembled
C.dismounted
D.disassembled
A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin
A.the same as
B.similar to
C.separated from
D.different from
A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A thrust bearing is used with a propulsion diesel engine to （）.
An automated diesel engine should normally shut down due to （）
The minimum speed an engine must attain before ignition can occur depends upon （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Diesel engine control can be obtained by the bridge （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）