Fuels And Combustion - Practice Test

(A) 21% excess air has been used for combustion

(B) 21% excess oxygen has been used for combustion

(C) Complete combustion of fuel has taken place

(D) No excess air has been used for combustion

(C) Complete combustion of fuel has taken place

(A) Decreases with increase in surface area

(B) Does not vary with increase in surface area

(C) Is more for low volatile coal compared to high volatile coal

(D) Is accelerated by storage in large heaps with small surface to volume ratio

(D) Is accelerated by storage in large heaps with small surface to volume ratio

(A) Incomplete combustion

(B) Complete combustion

(C) High oxygen in flue gas

(D) None of these

(B) Complete combustion

(A) Blast furnace coke

(B) Gasoline

(C) Natural gas

(D) Wood charcoal

(C) Natural gas

(A) Cracking

(B) Reforming

(C) Gasification

(D) Partial oxidation

(D) Partial oxidation

Fuels And Combustion - Study Mode