Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?

A

Urea

B

CAN

C

Ammonium sulphate

D

Superphosphate

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

A

Coke oven

B

Producer

C

Natural

D

Coal

Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.

A

5

B

25

C

55

D

75

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

Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

A

Rourkela (under SAIL)

B

Barauni (under HFC)

C

Nangal (under NFL)

D

Talchar (under FCI)

Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant?

A

Ammonium sulphate

B

Ammonium nitrate

C

Ammonium phosphate

D

None of these

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

Hydrogen content of coke oven gas is __________ percent.

A

4

B

22

C

58

D

84

Percentage of hydrogen in coke oven gas may be around

A

10

B

25

C

45

D

60

Removal of hydrogen from coke oven gas

A

Increases its calorific value

B

Decreases its calorific value

C

Does not alter its calorific value

D

Is not possible on commerical scale

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by

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