In petrol engine, increase of cooling water temperature will_________________?

I.C. Engines 21/07/2020

A. increase the knocking tendency
B. decrease the knocking tendecny
C. not affect the knocking tendency
D. increase or decrease knocking tendency depedning on strength and time of spark
E. unpredictable

Related Mcqs:

    The theoretically correct air fuel ratio for petrol engine is of the order of___________________?
    A. 6 : 1 B. 9 : 1 C. 12 : 1 D. 15 : 1 E. 20 : 1...
    In a typical medium speed 4-stroke cycle diesel engine________________?
    A. compression starts at 35° after bottom dead center and ends at top dead center B. compression starts at bottom dead center and ends at top dead center C. compression starts at 10° before bottom dead center and, ends just before top dead center D. may start and end anywhere E. none of the above...
    Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?
    A. not true B. true at full load C. true at part load D. true at both part and full load E. there could not be any such criterion...
    The m.e.p. of a diesel cycle having fixed compression ratio with increase in cut-off will_________________?
    A. increase B. decreae C. be unaffected D. depend on other factors E. unpredictable...
    Which of the following engines can work on very lean mixture__________________?
    A. S.I. engine B. C.I. engine C. two stroke engine D. four stroke engine E. all of the above...

Leave a Reply

Your email address will not be published. Required fields are marked *