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The clearance between rocker arm and valve stem that enables the valves to sit properly is known as _____________

(a) Valve lifter guide

(b) Valve stem guide

(c) Cam gear

(d) Tappet clearance

The question was asked during a job interview.

I would like to ask this question from Working Principles of I.C Engine topic in division Internal Combustion Engine of Farm Machinery

1 Answer

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Best answer
Right choice is (d) Tappet clearance

For explanation: Valve lifter guide is used in guiding the tappet in motion. Valve stem guide fits into the cylinder block. Cam gear is fixed at the end of the camshaft to mesh with the crankshaft gear.

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