Consider the following statements: Detonation in the S.I. engine can be suppressed by 1. Retarding the spark timing 2. Increasing the engine speed. 3. Using 10% rich mixture. Of these statements:

Consider the following statements: Detonation in the S.I. engine can b

1.	Consider the following statements: Detonation in the S.I. engine can be suppressed by 1. Retarding the spark timing 2. Increasing the engine speed. 3. Using 10% rich mixture. Of these statements:
A.	1 and 3 are correct
B.	2 and 3 are correct
C.	1, 2 and 3 are correct
D.	1 and 2 are correct
Answer» E.

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Consider the following statements: Detonation in the S.I. engine can be suppressed by 1. Retarding the spark timing 2. Increasing the engine speed. 3. Using 10% rich mixture. Of these statements:

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