To avoid scavenge fires occurring the engine timing and equipment maintenance （）.

[单选题]To avoid scavenge fires （） the engine timing and equipment maintenance should be correctly carried out.A . occurredB . occurringC . not happeningD . occur

[单选题]The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.A . behindB . far fromC . adjacent toD . in front of

[单选题]C．ombustion knock occurring in a diesel engine can be caused by _____.A．low coolant temperatureB．insufficient fuelC．high ambient temperatureD．carbon buildup on the injector tips

[单选题]Combustion knock occurring in a diesel engine can be caused by （）.A . excessive fuel penetrationB . prolonged injection lagC . reduced ignition lagD . prolonged ignition lag

[单选题]If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to_______the engineA．stopB．startC．speed u

[单选题]The indications of a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.A . turbo-chargers surgeB . spark seen from the drainsC . paint blisteringD . all above are right

[单选题]The palace caught fires three times in the last century,and little of the original building_______ now.A．remainsB． is remainedC． is remainingD．has been remained

[单选题]If scavenge box should be hot, _______would occur.A．seized pistonB．defective atomizerC．scavenge fireD．too much L.O

[单选题]Increased air （） will raise scavenge efficiency and allow a greater mass of air to be compressed； more fuel may now be burned giving an increased power.A . specific volumeB . densityC . viscosityD . calorific value

[单选题]Once a scavenge fire is detected the engine （）.A . will be speeded upB . should be slowed downC . must slow downD . have to be slow dow