When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be ()
- Aan obstruction in an cylinder
- Bwater accumulation in some engine cylinders
- Clow starting air pressure
- Dlow scavenge air pressure
When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be ()
1、The compressed air is admitted to each
The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its ().ABDCBTDCCBBDCDATDC
2、When the starting air valve closes on
When the starting air valve closes on one cylinder, another starting air valve has () opened on another cylinder whose piston has just commenced its downward stroke.AjustBnearlyCmerelyDalready
3、The dew point of air is reached when t
The dew point of air is reached when the wet bulb temperature is ().ATwice the dry bulb temperatureB10℃ above the dry bulb temperatureC5℃ above the dry bulb temperatureDEqual to the dry bulb temperature
4、A hot air start pipe indicates that th
A hot air start pipe indicates that there is ().Ainefficient coolingBa leaking air start valveCa clogged drain valveDa leaking air bottle
5、When Word is started it creates a new
When Word is started it creates a new blank(75).AdocumentBprocessCtextDblock
6、When starting a reciprocating pump, th
When starting a reciprocating pump, the inlet valve should be ().AclosedBopened fullyCcracked openDpartly ope