A. H2, CmHn & CO2
B. CO, H2 & CH4
C. CO2, O2 & CO
D. N2, H2 & CO2
Main constituents of purified Lurgi gas are___________________? Read More »
Fuels and Combustion A. Vitrain
B. Fussain
C. Both A. & B.
D. Neither A. nor B.
Which of the following is coking ? Read More »
Fuels and Combustion A. Both steam and electrical power
B. Lean gas (e.g., B.F. gas)
C. Rich gas (e.g., coke oven gas)
D. Both B. and C.
Compound coke ovens are those which can be heated by __________________? Read More »
Fuels and Combustion A. Pitch
B. Fuel oil
C. Blast furnace gas
D. Bituminous coal
A. Light paraffinic fuel oils is equal to that of equivalent olefins
B. n-paraffin is lower than that of iso-paraffins of the same compounds
C. Light paraffinic fuel oils is higher than that of equivalent olefins
D. Light paraffinic fuel oils is lower than that of equivalent olefins
Calorific value of ____________________? Read More »
Fuels and Combustion A. Fixed carbon
B. Total carbon
C. Hydrogen
D. Nitrogen
_____________ present in coal is not determined in its ultimate analysis ? Read More »
Fuels and Combustion A. Less reactive
B. Stronger
C. Smaller in size
D. All A., B. & C.
A. Swelling characteristics
B. Abradability
C. Agglutinating properties
D. Resistance to impact breakage
Gray King Assay and Swelling Index of a coal is a measure of its ____________________? Read More »
Fuels and Combustion A. 5
B. 10
C. 20
D. 35
A. Yield of coke oven gas is 290 Nm3 /ton dry coal
B. Volatile matter in coke is zero
C. Temperature maintained is 700°C
D. Yield of tar is about 3% of dry coal
In low temperature carbonisation of coal, the________________? Read More »
Fuels and Combustion