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Which of the following does not affect overheating?

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in Automotive Engine Design by (137k points)
Which of the following does not affect overheating?

(a) Weak mixture

(b) Defective cooling system

(c) Loose-fitting

(d) Engine speed

This question was addressed to me in final exam.

Asked question is from Conventional Ignition System topic in portion Conventional Ignition System of Automotive Engine Design

1 Answer

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Best answer
The correct choice is (d) Engine speed

To explain I would say: Metallic particle on insulator tip, eroded electrode indicates that the plug as running overheated this may arise due to weak mixture, defective cooling system, loose-fitting causing the exhaust gases to leak.

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