Fuels and Combustion

In low temperature carbonisation (as compared to high temperature carbonisation) of coal__________________?

Byadmin March 7, 2019August 26, 2021

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 A., B. and C.

CHEMICAL ENGINEERING | Fuels and Combustion

Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of

Question: Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of
[A].
less air for combustion.
[B].
correct amount of air for combustion.
[C].
too much air for combustion.
[D].
pulverised coal in boilers.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of
Fuels and Combustion

A coal that softens and fuses on heating is_________________?

A coal that softens and fuses on heating is_________________?

A. Classified
B. Carbonised
C. Caking
D. Non-caking

Read More A coal that softens and fuses on heating is_________________?
Fuels and Combustion

64-132) rank coal (ASTM) means a coal with 64%___________________?

64-132) rank coal (ASTM) means a coal with 64%___________________?

A. Fixed carbon and having a heating value around 13, 200 BTU/1b
B. Ash and heating value around 13, 200 BTU/1b
C. Fixed carbon and heating value around 132 BTU/1b
D. None of these

Read More 64-132) rank coal (ASTM) means a coal with 64%___________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis.

Question: Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis.
[A].
550
[B].
750
[C].
950
[D].
1150

Answer: Option C

Explanation:

No answer description available for this question.

Read More Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis.
Fuels and Combustion

Increase in ash content of blast furnace coke_________________?

Increase in ash content of blast furnace coke_________________?

A. Reduces its consumption in the furnace
B. Increases its consumption in the furnace
C. Does not affect its consumption in the furnace
D. Decreases its hardness and abrasion resistance

Read More Increase in ash content of blast furnace coke_________________?
Fuels and Combustion

Low temperature carbonisation of coal produces_________________?

Low temperature carbonisation of coal produces_________________?

A. Metallurgical coke
B. Soft coke
C. Very low calorific value coke oven gas
D. No by-products

Read More Low temperature carbonisation of coal produces_________________?

Similar Posts