A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin
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A.the same as
B.similar to
C.separated from
D.different from
A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
A.to protect
B.to guard
C.to maximize
D.to minimize
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
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