In spark ignition engines the knocking tendency decreases

Heat Engines Mcqs
BILAL KHATTAK0

A.As compression ratio is reduced
B.By controlling air/fuel mixture
C.By controlling ignition timing
D.By controlling exhaust temperatures
E.None of the above

Related Mcqs:

  1. In spark ignition engines, the knocking tendency is reduced by
  2. The knocking tendency in a compression ignition engine for a given fuel will
  3. Which of the following is a false stagement: The cause of excessive engine vibrations especially at high speeds in spark ignition engines is
  4. The ignition of the charge in spark ignition engine before spark occurs in spark plug, is known as
  5. For spark ignition engines fuel in order of decreasing knock tendency are
  6. Over heating of a two stroke air cooled engine cannot be due to
  7. In compression ignition engines swirl is
  8. Ignition advance in S.I. engine is not the direct function of
  9. Which one of the following factors will not assist in improving thermal efficiency of a compression ignition engine?
  10. For same output and same compression ratio four stroke SI engines as compared to two stroke engines have

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