单项选择题
A.stop B.start C.speed up D.slow down
Indications of ()are loss in power and irregular runnin...
单项选择题Indications of ()are loss in power and irregular running of the engine, high exhaust temperatures of corresponding unite, high local temperature in scavenge trunk, surging of turbocharger, and sparks and smoke emitted from scavenge drains.
A.a crankcase explosion B.a scavenge fire C.abnormal compression ratio
For a fire to begin there must be present a combustible...
单项选择题For a fire to begin there must be present a combustible material, oxygen or air to ()combustion, and a source of heat at a temperature high enough to start combustion.
A.begin B.support C.last D.extinguish
Start the turning gear, and with some one hand-operatin...
单项选择题Start the turning gear, and with some one hand-operating the cylinder lubricators at regular intervals, and with the indicator cocks (), and with the control gear in the ()position, give the engine at least one complete turn.
A.open;“stop” B.closed;“stop” C.open;“start” D.closed;“start”