A.lube cooler failure
B.poor heat transfer
C.mechanical lubricator failure
D.camshaft seizure
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A.pilot valve oil pressure
B.speeder spring force
C.compensation needle valve clearance
D.centrifugal force on the flyweights
A.fuel must be preheated
B.intake air should be preheated
C.lube oil outlet temperature should be increased 20℃ above normal
D.none of the above
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