Question

The ___________ sensor, monitors vacuum in the engine intake manifold so that the mixture strength can be adjusted with changes in engine load.

(a) throttle position

(b) manifold pressure

(c) camshaft position

(d) knock

This question was addressed to me in a national level competition.

Query is from Electronic Injection System in portion Electronic Injection Systems of IC Engine

Answer 1

Right answer is (b) manifold pressure

For explanation: The manifold pressure sensor, monitors vacuum in the engine intake manifold so that the mixture strength can be adjusted with changes in engine load and the camshaft position sensor, senses rotation of engine camshaft for speed and timing of injection.