A.rotary;reciprocating
B.up and down;fore and aft
C.fore and aft;up and down
D.up and down;rotary
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A.camshaft
B.piston movement
C.exhaust valves
D.vertical drive
A.exhaust pressure
B.valve spring pressure
C.rocker arm movement
D.wrist pin movement
A.piston rod guides
B.engine thrust bearing
C.crosshead bearing
D.main shaft flexible coupling
A.opening the exhaust ports
B.placed on top of the engine along its centerline
C.farthest from the cylinder head
D.nearest to the cylinder head
A.Intake stroke
B.Compression stroke
C.Exhaust stroke
D.Pumping stroke
A.opening the exhaust ports
B.closing the fuel ports
C.farthest from the cylinder head
D.nearest to the cylinder head
A.indicated horsepower
B.mean effective pressure
C.exhaust back pressure
D.compression pressure
A.the same indicated horsepower as a four-stroke/cycle engine
B.twice the indicated horsepower as a four-stroke/cycle engine
C.one half indicated horsepower as a four-stroke/cycle engine
D.one power stroke for every two crankshaft revolutions
A.opposed-piston engine
B.double-acting engine
C.two-stroke/cycle engine
D.four-stroke/cycle engine
A.more power strokes per revolution
B.the use of scavenge air
C.more complicated valve gear
D.higher working temperature of the piston and cylinder
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