Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.

Fuels and Combustion
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.

900-1000

1700-1800

400-500

1400-1500

900-1000

1700-1800

400-500

1400-1500

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Fuels and Combustion
Coal is pulverised before burning in large capacity boiler furnaces mainly to

Provide trouble free operation

Facilitate easy ash removal

Enhance its calorific value

Ensure its complete combustion

Provide trouble free operation

Facilitate easy ash removal

Enhance its calorific value

Ensure its complete combustion

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Fuels and Combustion
Caking index of a coal is a measure of its

Agglutinating (binding) properties

Abradability

Reactivity

Porosity

Agglutinating (binding) properties

Abradability

Reactivity

Porosity

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Fuels and Combustion
Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

Diatomaceous earth

Basalt

Bog iron (i.e., moist ferric hydroxide)

Silica gel

Diatomaceous earth

Basalt

Bog iron (i.e., moist ferric hydroxide)

Silica gel

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Fuels and Combustion
Cannel coal

Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named

All of these

Has a high volatile matter content and burns with a luminous smoky flame

Is non-coking

Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named

All of these

Has a high volatile matter content and burns with a luminous smoky flame

Is non-coking

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Fuels and Combustion
Increase in ash content of blast furnace coke

Increases its consumption in the furnace

Reduces its consumption in the furnace

Does not affect its consumption in the furnace

Decreases its hardness and abrasion resistance

Increases its consumption in the furnace

Reduces its consumption in the furnace

Does not affect its consumption in the furnace

Decreases its hardness and abrasion resistance

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Fuels and Combustion

Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.

Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to

Fuels and Combustion Caking index of a coal is a measure of its

Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

Fuels and Combustion Cannel coal

Fuels and Combustion Increase in ash content of blast furnace coke

Fuels and Combustion
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.

Fuels and Combustion
Coal is pulverised before burning in large capacity boiler furnaces mainly to

Fuels and Combustion
Caking index of a coal is a measure of its

Fuels and Combustion
Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

Fuels and Combustion
Cannel coal

Fuels and Combustion
Increase in ash content of blast furnace coke