Related Questions

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
In high temperature carbonisation of coal compared to low temperature carbonisation
A Yield of ammonia is less
B Aromatic content of tar is low
C H2 content in the coke oven gas is more
D Calorific value of the coke oven gas is lower
In high temperature carbonisation (as compared to low temperature carbonisation) of coal
A Coke oven gas yield is more
B Tar yield is less but free carbon in tar is more
C Calorific value of coke oven gas is less
D All of the above
In low temperature carbonisation (as compared to high temperature carbonisation) of coal
A Ammonia yield is more
B Aliphatic tar is produced
C Free carbon in tar is more
D All of the above
In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.
A Difference in gross & net calorific value of the coke oven gas
B Free carbon content in tar
C Yield percentage of coke
D Yield of ammonia present in coke oven gas
In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the
A Gas yield is less
B Tar yield is more
C Ignition temperature of coke produced is less
D Aromatic content of tar produced is more
Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.
A 10 & 3
B 3 & 10
C 15 & 8
D 10 & 20
Low temperature carbonisation of coal takes place at __________ °C.
A 300
B 1100
C 700
D 900
Low temperature carbonisation of coal produces
A Metallurgical coke
B Soft coke
C Very low calorific value coke oven gas
D No by-products
While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at
A Dankuni (West Bengal)
B Dhanbad
C Singreni (A.P.)
D Raniganj

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