In Lurgi coal gasifier___________________?

Byadmin March 7, 2019August 26, 2021

In Lurgi coal gasifier___________________?

A. Coking coals cannot be used
B. Low carbon conversion efficiency is achieved
C. Entrainment of solids is higher
D. Larger quantity of coal can be processed

Fuels and Combustion

Coke compared to the coal from which it has been made, contains ____________________?

Coke compared to the coal from which it has been made, contains ____________________?

A. Less volatile matter
B. More carbon
C. Greater percentage of ash
D. All A., B. and C.

Read More Coke compared to the coal from which it has been made, contains ____________________?
Fuels and Combustion

When the coal is heated in absence of air, it is called its ________________?

When the coal is heated in absence of air, it is called its ________________?

A. Deoxidation
B. Gasification
C. Coalification
D. Carbonisation

Read More When the coal is heated in absence of air, it is called its ________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Grindability index of a coal is 100. It implies that the

Question: Grindability index of a coal is 100. It implies that the
[A].

coal can be pulverised with great difficulty.
[B].
coal can’t be pulverised.
[C].
coal can be easily pulverised.
[D].
power consumption in grinding the coal will be very high.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Grindability index of a coal is 100. It implies that the
Fuels and Combustion

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

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

A. Much lower
B. Much higher
C. Same
D. Either lower or higher, depends on the type of fuel

Read More The maximum adiabatic flame temperature in air as compared to that in pure oxygen is_______________?
Fuels and Combustion

Higher efficiency in the combustion of solid fuel cannot be achieved by________________?

Higher efficiency in the combustion of solid fuel cannot be achieved by________________?

A. Proper fuel preparation
B. Keeg the flue gas exhaust temperature very high
C. Adopting efficient-fuel firing technique & equipment
D. Supplying correct quantity of combustion air

Read More Higher efficiency in the combustion of solid fuel cannot be achieved by________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature carbonisation of coal produces

Question: Low temperature carbonisation of coal produces
[A].

metallurgical coke
[B].
soft coke
[C].
very low calorific value coke oven gas
[D].
no by-products

Answer: Option B

Explanation:

No answer description available for this question.

Read More Low temperature carbonisation of coal produces

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