Match the items on the right to the items on the left:
Check
An engine may have one camshaft to operate all the valves or separate shafts for
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firing of the spark plugs.
exhaust valves for each cylinder.
two or four camshafts.
intake and exhaust valves.
their closed position.
The camshaft is a rotating shaft (or shafts) in an engine that activates the intake and
???
firing of the spark plugs.
exhaust valves for each cylinder.
two or four camshafts.
intake and exhaust valves.
their closed position.
The camshaft uses lobes (called cams) that push against the valves to open them as the camshaft rotates; springs on the valves return them to
???
firing of the spark plugs.
exhaust valves for each cylinder.
two or four camshafts.
intake and exhaust valves.
their closed position.
As the shaft turns, cams along its length press down on the spring-loaded valves in synchronicity with the motion of the pistons and
???
firing of the spark plugs.
exhaust valves for each cylinder.
two or four camshafts.
intake and exhaust valves.
their closed position.
Overhead-camshaft engines have separate shafts for each cylinder bank, so a V-configuration engine like a V-6 or V-8 can have
???
firing of the spark plugs.
exhaust valves for each cylinder.
two or four camshafts.
intake and exhaust valves.
their closed position.
Check
OK
