Related Questions

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
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 highest grade of coal whose surface is shining and has the highest calorific value, is ________
A Anthracite
B Bituminous
C Lignite
D Peat
Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by
A Preheating the combustion air
B Oxygen enrichment of combustion air
C Preheating the fuel gas
D All of the above
Which of the following fuels has the highest calorific value?
A lignite
B wood
C bituminous
D anthracite
Which of the following has the highest calorific value?
A Sub-bituminous
B Anthracite
C Lignite
D Peat
Which of the following gases has the highest calorific value?
A Producer gas
B Coal gas
C Water gas
D Blast furnace gas
Which of the following coals has the highest calorific value?
A Anthracite coal
B Bituminous coal
C Lignite
D Peat
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

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