A. Entrained
B. Moving
C. Fixed
D. Fluidised
A. 230 V AC
B. 60 KV AC
C. 230 V DC
D. 60 KV DC
A. Aromatic compounds
B. Aliphatic compounds
C. Paraffins
D. Olefins
A. Lignite
B. Bituminous coal
C. Semi-anthracite
D. Anthracite
Hard coke is manufactured from___________________? Read More »
Fuels and Combustion A. Blast furnace coke
B. Gasoline
C. Natural gas
D. Wood charcoal
Which of the following is a primary fuel ? Read More »
Fuels and Combustion A. 18
B. 48
C. 8
D. 80
Coking time in narrow by-product coke ovens is around ______________ hours? Read More »
Fuels and Combustion A. Fuel consumption for the same heat load
B. Stack gas temperature
C. Percentage of oxygen in flue gases
D. All A., B. and C.
Too much of excess air in combustion results in high___________________? Read More »
Fuels and Combustion A. Inherent impurities
B. Adhering impurities
C. Mineral matter
D. Both B. and C.
Washing of coal is done to reduce the_________________? Read More »
Fuels and Combustion A. Low preheat of air
B. Fine grinding
C. High excess air
D. All A., B. and C
Efficient burning of anthracite coal requires______________________? Read More »
Fuels and Combustion A. CO & H2
B. CO & N2
C. CO2 & H2
D. CH4 & H2
Water gas constitutes mainly of __________________? Read More »
Fuels and Combustion