A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms.

Fuels and Combustion
A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms.

5 to 15

20 to 40

1 to 2

3 to 4

5 to 15

20 to 40

1 to 2

3 to 4

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Fuels and Combustion
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Ammonia

Benzol

Tar

None of these

Ammonia

Benzol

Tar

None of these

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Fuels and Combustion
'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent.

14.5

7.5

2.5

10.5

14.5

7.5

2.5

10.5

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Fuels and Combustion
Benzene is used

As a perfume

As an explosive

As a motor fuel

For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR)

As a perfume

As an explosive

As a motor fuel

For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR)

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Fuels and Combustion
Washing of coal

Reduces its sulphur and ash content

Controls its ash fusibility and increases its calorific value

All of these

Improves its coking properties

Reduces its sulphur and ash content

Controls its ash fusibility and increases its calorific value

All of these

Improves its coking properties

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Fuels and Combustion
Steam is intermittently admitted into the fuel bed during the production of producer gas to

Convert CO to CO₂

Increase the gas production rate

Increase the combustion rate

Minimise the chances of clinker formation

Convert CO to CO₂

Increase the gas production rate

Increase the combustion rate

Minimise the chances of clinker formation

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Fuels and Combustion

Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms.

Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent.

Fuels and Combustion Benzene is used

Fuels and Combustion Washing of coal

Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to

Fuels and Combustion
A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms.

Fuels and Combustion
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Fuels and Combustion
'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent.

Fuels and Combustion
Benzene is used

Fuels and Combustion
Washing of coal

Fuels and Combustion
Steam is intermittently admitted into the fuel bed during the production of producer gas to