1. Mechanical Engineering
  2. Automobile Engineering
  3. In a S.I. engine burned white deposit on...
Q.

In a S.I. engine burned white deposit on spark plug with molten globules indicates that the engine has been generally operating on

A. Most economical mixture
B. Slightly rich mixture
C. Stoichiometric mixture
D. Too rich mixture
E. Too lean mixture
Answer» E. Too lean mixture
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