A. CO2
B. CH4
C. H2
D. NH3
A. Calorific value increases
B. Caking properties diminish
C. Swelling during carbonisation becomes excessive
D. None of these
With increase in moisture content of coal, its___________________? Read More »
Fuels and Combustion A. Increase in gas pressure
B. Increase in temperature (i.e. preheating)
C. Use of pure oxygen for combustion instead of air
D. All A., B. & C.
A. Cyclone separator
B. Wet packed scrubber
C. Electrostatic precipitator
D. Washing with monoethanolamine
Traces of tar fog present in the coke oven gas is removed by_________________? Read More »
Fuels and Combustion A. Coal
B. Furnace oil
C. Natural gas
D. Naphtha
C/H ratio is the maximum in case of_________________? Read More »
Fuels and Combustion A. Fast & high
B. Slow & low
C. Slow & high
D. Fast & slow
A. N2
B. CO
C. CO2
D. H2
Largest constituent of blast furnace gas is__________________? Read More »
Fuels and Combustion A. Caking
B. Pulverised
C. Non-caking
D. High ash
A travelling grate stoker is meant for the efficient burning of ______________ coal? Read More »
Fuels and Combustion A. Moving
B. Fixed
C. Fluidised
D. Entrained
Lurgi coal gasifier is a pressurised ______________ bed reactor? Read More »
Fuels and Combustion A. The ratio of its percentage of fixed carbon to that of volatile matter
B. Helpful in estimation of its rank
C. Both A. and B.
D. Neither A. nor B.
The fuel ratio of a coal is__________________? Read More »
Fuels and Combustion