49) The timing belt is attached to the camshaft pulley and

timing belt drive pulley

distributor

radiator fan pulley

alternator pulley

Answer is:

timing belt drive pulley

Explanation:

The timing belt is attached to the camshaft pulley and timing belt drive pulley.

Automobile Engineering MCQ with Answers

For more MCQ's Click Here

50) The motion of the cam is transferred to the valves through

piston

rocker arms

camshaft pulley

valve stems

Answer is:

rocker arms

Explanation:

The motion of the cam is transferred to the valves through rocker arms.

51) Valve overlap is the number of degrees of camshaft rotation during which

both valves are closed

both valves are open

both 'a' and 'b'

none of these

Answer is:

both valves are open

Explanation:

Valve overlap is the period during engine operation when both intake and exhaust valves are open at the same time. Valve overlap occurs when the piston nears TDC between the exhaust event and the intake event.

Valve overlap is the number of degrees of camshaft rotation during which both valves are open.