单项选择题
A.indicator diagrams B.nomo-gram C.temperature readings D.pressure readings
If the action of the engine indicates that some of the ...
单项选择题If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.
A.the bad smoke B.the smoky exhaust C.the exhaust temperature D.the peak pressure
The injection may be delayed, （）the pumps are in good o...
单项选择题The injection may be delayed, （）the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.
A.because B.though C.since D.until
If cylinder liner wear is up to maximum limits the poss...
单项选择题If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are （）.
A.polished B.renewed C.adjusted D.ground
