What is the percentage of excess air if 50 grams of air is in excess and 150 grams of air enters the process?
(a) 10%
(b) 25%
(c) 50%
(d) 100%
This question was addressed to me in an interview.
The query is from Material Balances Involving Combustion in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering