1. Mechanical Engineering
  2. Automobile Engineering
  3. In a S.I. engine, if the colour of exhau...
Q.

In a S.I. engine, if the colour of exhaust flame is bluish, transparent, it indicates that the mixture supplied to the engine is

A. Suitable for maximum output
B. Too lean
C. Too rich
D. Chemical correct
E. Most economical
Answer» B. Too lean
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