Question

The pipe which connects the intake system to the inlet valve of the engine and through which air or air-fuel mixture is drawn into the cylinder is known as _______

(a) Spark Plug

(b) Connecting Rod

(c) Camshaft

(d) Inlet Manifold

The question was asked in an interview for job.

The origin of the question is I.C. Engine Components topic in section Internal Combustion Engine of Farm Machinery

Answer 1

Right choice is (d) Inlet Manifold

Easiest explanation: Spark plug is a component to initiate the combustion process. Connecting rod connects the piston and the crankshaft and transmits the gas forces from piston to the crankshaft. Camshaft and its associated parts control the opening and closing valves.