Question:-
An engine using octane-air mixture has N2, O2 CO2, CO and H2O as constituents in the exhaust gas. Which one of the following can be concluded?
Option (A)
Supply mixture is stoichiometric
Option (B)
Supply mixture has incomplete combustion
Option(C)
Supply mixture is rich
Option(D)
Supply mixture is lean
Correct Option:
(B)
Question Solution:
Increase of O2 and CO in flue gas analysis indicates incomplete combustion
question-answer-faq-9204