Question

In the idle speed adjustment of the pneumatic governor, when the set-screw in the system is slightly screwed in _____________

(a) the idling speed will be reduced

(b) the idling speed will be increased

(c) there will be no idling speed

(d) none of the mentioned

This question was posed to me in an interview.

This intriguing question comes from Injection Pump in chapter Mechanical Injection Systems of IC Engine

Answer 1

Correct option is (b) the idling speed will be increased

To explain I would say: None.