A. Lignite
B. Sub-bituminous coal
C. Anthracite
D. Peat
Related Mcqs:
- A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be_________________?
A. More
B. Less
C. Same
D. Data insufficient; can’t be predicted - Gross calorific value will be equal to the net calorific value for __________________?
A. H2
B. C2H2
C. CO
D. C2H6 - 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 - Bomb calorimeter is used to determine the (where, GCV – Gross Calorific Value. NCV – Net Calorific Value.) ?
A. GCV at constant pressure
B. GCV at constant volume
C. NCV at constant pressure
D. NCV at constant volume - Net calorific value is the gross calorific value less the _______________ heat of water in the product of combustion when cooled to 15°C ?
A. Sensible
B. Latent
C. Sensible and latent
D. None of these - Which of the following has the highest calorific value (kcal/Nm3) ?
A. Carburetted water gas
B. Gobar gas
C. Natural gas
D. LPG - Which of the following has the highest gross calorific value ?
A. Blast furnace gas
B. Coke oven gas
C. Carburetted water gas
D. Oil refinery gas - Which of the following fuel gases has the highest calorific value ?
A. Natural gas
B. Coal bed methane (CBM)
C. Liquefied petroleum gas (LPG)
D. Sewage gas - Which of the following gaseous fuels has the highest net calorific value (kcal/Nm3) ?
A. Producer gas
B. Carburetted water gas
C. Natural gas
D. Liquefied petroleum gas - The calorific value is the highest out of the following for__________________?
A. Producer gas
B. Water gas
C. Coke oven gas
D. Blast furnace gas
