A carbonaceous fuel (containing no H2 or hydrocarbons) is burnt and the resulting flue gas contains 21% CO2. It means that___________________?

Related Mcqs:

Very ______________ coals are completely devoid of cokability i.e., it is non-coking ?

A. Young B. Mature C. Both A & B D. Neither A nor B...

__________ is used as jet engine fuel ?

A. Petrol B. Diesel C. Kerosene D. LPG...

The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?

A. y B. 0.95 y C. 1.05 y D. 1.8 y...

‘Fuel’ can be defined as a substance which produces heat by___________________?

A. Combustion B. Nuclear fission C. Nuclear fusion D. All A., B. & C....

In high temperature carbonisation of coal compared to low temperature carbonisation ?

A. Yield of ammonia is less B. Aromatic content of tar is low C. H2 content in the coke oven gas is more D. Calorific value of the coke oven gas is lower...