单项选择题
A.crankshaft revolution B.mechanical cycle of operation C.period of two combustion cycles D.cycle of two events
The effective stroke of a constant-stroke, individual, ...
单项选择题The effective stroke of a constant-stroke, individual, fuel injection pump is varied by the （）.
A.control rack B.delivery valve C.governor speed D.plunger crossbar
The ability of a fuel particle to travel into the combu...
单项选择题The ability of a fuel particle to travel into the combustion chamber before burning is called （）.
A.penetration B.permanence C.turbulence D.atomization
Proper atomization of fuel in diesel engine combustion ...
单项选择题Proper atomization of fuel in diesel engine combustion chambers will （）.
A.affect the injection pressure B.improve combustion C.reduce compression pressure D.decrease power output
