A.contaminating water
B.contaminated additives
C.contaminated fuel
D.contaminating impurities
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A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.by turning the pump plunger
B.by vary the fuel valve spring force
C.by no means by controlling the governor
D.by enlarging or diminishing the injection hole
A.counterbalance the crank throws on the crankshaft
B.keep the engine running smoothly between power stroke
C.provide a belt-driving surface for the operation of auxiliary machinery
D.prevent the engine from overspeeding
A.the cross-head
B.the pumps
C.the shell
D.the load
A.gear
B.nonpositive displacement
C.positive displacement
D.rotary
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