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.

1 to 2

5 to 15

20 to 40

3 to 4

1 to 2

5 to 15

20 to 40

3 to 4

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Fuels and Combustion
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

Much lower

Either lower or higher, depends on the type of fuel

Same

Much higher

Much lower

Either lower or higher, depends on the type of fuel

Same

Much higher

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Fuels and Combustion
The advantage of firing pulverised coal in the furnace lies in the fact, that it

Accelerates the burning rate and economises on fuel combustion

All of these

Permits the use of low fusion point ash coal

Permits the use of high ash content coal

Accelerates the burning rate and economises on fuel combustion

All of these

Permits the use of low fusion point ash coal

Permits the use of high ash content coal

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Fuels and Combustion
Which of the following is the most poisonous gas?

Producer gas

Coke oven gas

Blast furnace gas

L.D. converter gas

Producer gas

Coke oven gas

Blast furnace gas

L.D. converter gas

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Fuels and Combustion
Fuel combustion is never cent per cent efficient due to

Incomplete combustion

Dry gas/stack gas loss

All of these

Moisture loss

Incomplete combustion

Dry gas/stack gas loss

All of these

Moisture loss

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Fuels and Combustion
Which of the following is unsuitable fuel for producer gas manufacture?

Anthracite

Coal having low fusion point of its ash

Coal having high fusion point of its ash

Coke

Anthracite

Coal having low fusion point of its ash

Coal having high fusion point of its ash

Coke

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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 The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it

Fuels and Combustion Which of the following is the most poisonous gas?

Fuels and Combustion Fuel combustion is never cent per cent efficient due to

Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture?

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
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

Fuels and Combustion
The advantage of firing pulverised coal in the furnace lies in the fact, that it

Fuels and Combustion
Which of the following is the most poisonous gas?

Fuels and Combustion
Fuel combustion is never cent per cent efficient due to

Fuels and Combustion
Which of the following is unsuitable fuel for producer gas manufacture?