A.transfer heat from the cylinder to the piston
B.scrape oil from the sides of the piston
C.seal the combustion space from the crankcases
D.prevent any piston contact with the cylinder liner
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A.compression ratio of the engine
B.volume of the engine
C.relationships between pressure and volume during one stroke of the engine
D.relationships between pressure and volume during one cycle of the engine
A.once every crankshaft revolution
B.once every two crankshaft revolutions
C.once every piston stroke
D.twice every piston stoke
A.entirely constant pressure
B.entirely constant temperature
C.a combination of constant volume and constant pressure
D.a combination of constant temperature and constant pressure
A.spring force
B.hydraulic pressure
C.centrifugal force
D.mechanical linkage
A.maintaining a constant rack setting
B.storing kinetic energy
C.maintaining equal exhaust pressure
D.maintaining even camshaft speed
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