Question

ECU is an electronic injection system used for ___________

(a) calculating the appropriate injection timing

(b) meeting only certain operating conditions

(c) closing the injection valve only

(d) none of the mentioned

I have been asked this question during a job interview.

This key question is from Gasoline Injection in division Electronic Injection Systems of IC Engine

Answer 1

The correct choice is (a) calculating the appropriate injection timing

Easy explanation: For calculating the appropriate injection timing, an electronic injection system called ECU is used.