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As the temperature is low, the _____________ valve speeds up the engine idle speed to fast idling.

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in IC Engine by (46.8k points)
As the temperature is low, the _____________ valve speeds up the engine idle speed to fast idling.

(a) nozzle

(b) throttle

(c) air

(d) none of the mentioned

This question was addressed to me in an interview.

The origin of the question is Electronic Control System in section Electronic Injection Systems of IC Engine

1 Answer

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Best answer
The correct choice is (c) air

To explain I would say: At low temperature, the air valve speeds up the engine idle speed to fast idling and not the throttle or nozzle.

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