In petrol engine, increase of cooling water temperature will_________________?

A. unpredictable

B. not affect the knocking tendency

C. decrease the knocking tendecny

D. increase the knocking tendency

E. increase or decrease knocking tendency depedning on strength and time of spark

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.