Fuels And Combustion MCQ Questions & Answers | Chemical Engineering

A. Blast furnace gas

B. Coke oven gas

C. L.D. converter gas

D. None of these

A. Hydrogen

B. Sulphur

C. Carbon

D. None of these

A. Coal

B. Kerosene

C. Natural gas

D. Furnace oil

A. Higher calorific value

B. Lower sulphur content

C. Higher emissivity (0.8 - 0.9) resulting in higher radiation heat transfer rate

D. Both A & B

A. CO₂

B. CO

C. O₂

D. C

A. Decrease in its calorific value

B. Increase in its strength

C. Brittleness of steel made by using it

D. None of these

A. Moisture

B. Ash

C. Volatiles

D. Carbon

A. As a motor fuel blend

B. For producing benzene, tolune & xylene by its distillation

C. Both A & B

D. Neither A nor B

A. 6

B. 18

C. 28

D. 36

A. Angle of repose of coal increases with its increasing size

B. Specific gravity of coal increases with its increasing maturity

C. Refractive index and reflectance of coal increases with the increasing rank of coal

D. Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal