Nitrogen in coal_________________?

Byadmin March 7, 2019August 26, 2021

Nitrogen in coal_________________?

A. Is present upto 1-2%
B. Comes from protein in parent vegetable matter
C. Is recovered as ammonia during its carbonisation
D. All A., B. and C.

Fuels and Combustion

Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the____________________?

Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the____________________?

A. Decolourisation of sugar
B. Solvent recovery from air and gases
C. Absorption of gases and vapor
D. Electrode manufacture

Read More Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the____________________?
Fuels and Combustion

Stack (chimney) height in a big thermal power plant is dictated by the___________________?

Stack (chimney) height in a big thermal power plant is dictated by the___________________?

A. Pollution control aspect
B. Draught to be created
C. Limitation of constructional facilities
D. None of these

Read More Stack (chimney) height in a big thermal power plant is dictated by the___________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called

Question: Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called
[A].

back draughting.
[B].
banking.
[C].
under pressurising.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called
Fuels and Combustion

Blast furnace gas constitutes mainly of_________________?

Blast furnace gas constitutes mainly of_________________?

A. N2 & CH4
B. N2 & H2
C. N2 & CO
D. CH4 & CO2

Read More Blast furnace gas constitutes mainly of_________________?
Fuels and Combustion

With increase in the time of carbonisation at a particular temperature (say 1000°C), the ______________ percentage in coke oven gas increases?

With increase in the time of carbonisation at a particular temperature (say 1000°C), the ______________ percentage in coke oven gas increases?

A. Hydrogen
B. Methane
C. Unsaturated hydrocarbons
D. All A., B. and C.

Read More With increase in the time of carbonisation at a particular temperature (say 1000°C), the ______________ percentage in coke oven gas increases?
CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature oxidation of coal resulting from bad storage conditions does not decrease its

Question: Low temperature oxidation of coal resulting from bad storage conditions does not decrease its
[A].

caking power
[B].
calorific value
[C].
hydrogen content
[D].
oxygen content

Answer: Option D

Explanation:

No answer description available for this question.

Read More Low temperature oxidation of coal resulting from bad storage conditions does not decrease its

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