Related Questions

Naphthalene recovered from coke oven gas is used
A As moisture proof coating on fibres
B As moth balls (insecticides)
C As a fuel in furnaces
D For making electrodes
Width of the coke oven towards coke side is slightly more than that on pusher side to
A Facilitate easy discharging of coke as it swells during carbonisation
B Facilitate uniform heating of the oven
C Increase the output of the coke
D None of these
Traces of tar fog present in the coke oven gas is removed by
A Cyclone separator
B Wet packed scrubber
C Electrostatic precipitator
D Washing with monoethanolamine
Ammonia present in the coke oven gas is removed by washing with
A Caustic solution
B Dilute ammoniacal liquor
C Dilute HCl
D Ethanolamine
Blast furnace gas compared to coke oven gas has
A Lower ignition temperature
B Narrower limit of inflammability
C Higher calorific value
D Lower theoretical flame temperature
Coke oven gas is a better fuel than blast furnace gas, because of its higher
A Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)
B Adiabatic flame temperature
C Heat release rate (thus requiring smaller combustion chamber)
D All of the above
Coke oven gas compared to blast furnace gas is
A More explosive and inflammable
B Less poisonous
C Lighter
D All of the above
Hydrogen content of coke oven gas is __________ percent.
A 4
B 22
C 58
D 84
Flushing liquor used for cooling coke oven gas constitutes of
A Ammoniacal liquor
B K2CO3 solution
C Dilute H2SO4
D Dilute HCl
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
A Higher calorific value
B Lower hydrogen content
C Both A & B
D Neither A nor B

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