Fuels And Combustion - Study Mode

[#226] As the C/H ratio of the fuel increases, the amount of CO 2 formed on combustion __________ for the same percentage of excess air.
Correct Answer

(B) Increases

[#227] Which of the following would require least amount of secondary air for combustion?
Correct Answer

(A) Coke breeze containing 25% ash and 2% volatile matter

[#228] The function of secondary combustion air is to
Correct Answer

(B) Completely burn the volatile matter

[#229] KOH solution used in orsat apparatus absorbs
Correct Answer

(C) Both A & B

[#230] When the coal is heated in absence of air, it is called its
Correct Answer

(D) Carbonisation