A.too low starting air pressure
B.main starting valve closed
C.neither A nor B
D.A and B
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A.high compression pressure
B.low intake air temperature
C.low exhaust pressure
D.high scavenge air temperature
A.the stem and heads are made of different material
B.low-alloy steel is used throughout
C.a replaceable valve disk is welded to the head
D.the self-centering action comes from motion of the valve stem in the guide
A.seized piston
B.defective atomizer
C.scavenge fire
D.too much LO
A.air cooler
B.turbocharger
C.charge air
D.A+B+C
A.smoky exhaust
B.starting failure
C.overload
D.over speed
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