Q57
A stoichiometric air-fuel ratio is
A.
Chemically correct mixture
AnswerB.
Lean mixture
C.
Rich mixture for idling
D.
Rich mixture for over loads
Answer: Option A
Solution
Answer: Option A
Solution:
A stoichiometric air-fuel ratio is Chemically correct mixture.
Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process.
If exactly enough air is provided to completely burn all of the fuel, the ratio is known as the stoichiometric mixture, often abbreviated to stoich.