A、cylinder valves
B、compression rings
C、piston skirts
D、oil rings
更多“Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by （）”相关的问题
A、blows out the exhaust gases B、supplies oxygen for combustion C、cools the valves and cylinder walls D、all of the above
A、expansion of the combustion gases B、exhaust and intake valves just closing C、maximum compression is just being attained D、fuel injection occurring at that point and combustion begins
A、To allow for greater expansion due to higher operating temperature B、To seal the cylinder against leakage of combustion gases C、To provide an additional surface for oil cooling D、To provide an additional strength for the crown and lower structure
A、the production of high pressure gases B、the removal of expended combustion gases C、the admission of air to the cylinder D、all of the above
A、Combustion gases flow through the tubes B、Flames impinge on the tubes C、Combustion occurs in the tubes D、Water flows through the tubes
A、eliminating sparks and fire in the vicinity of cargo tanks B、removing all hydrocarbon gases from the cargo tanks C、blanketing cargo tanks with inert foam D、reducing the oxygen concentration below levels necessary for combustion
A、A.eliminating sparks and fire in the vicinity of cargo tanks B、B.removing all hydrocarbon gases from the cargo tanks C、C.blanketing cargo tanks with inert foam D、D.reducing the oxygen concentration below levels necessary for combustion
A、During operation at low speed B、During operation at rated speed, but low power output C、During acceleration D、All of the above
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