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单选题
To avoid scavenge fires occurring the engine timing and equipment maintenance （）.
A
should be correctly carried out
B
should correctly be taken place
C
should carried with care
D
must to carry out with great care
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oil fires in the engine room bilgesB
class B fires in paint lockersC
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单选题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
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单选题With Variable Injection Timing the start of injection may be （）as the engine load is reduced.A
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单选题To avoid scavenge fires occurring the engine timing and equipment maintenance （）.A
should be correctly carried outB
should correctly be taken placeC
should carded with careD
must to carry out with great care
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单选题To avoid scavenge fires （） the engine timing and equipment maintenance should be correctly carried out.A
occurredB
occurringC
not happeningD
occur
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单选题When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）A
an obstruction in an cylinderB
water accumulation in some engine cylindersC
low starting air pressureD
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单选题The shaft and spare parts（） should be well greased in order to avoid corrosion.A
in the store roomB
in the cylinderC
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单选题With （） unit the timing of fuel injection of an engine can be regulated automatically.A
MBTB
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单选题The timing of diesel engine air starting valves is controlled by（）A
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a cylinder check valveC
individual cams and valve gearD
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