CHEMICAL ENGINEERING | Fuels and Combustion

Calorific value of coke oven gas is around __________ Kcal/Nm3.

Byadmin August 17, 2022

Question: Calorific value of coke oven gas is around __________ Kcal/Nm3.
[A].

900

[B].

4200

[C].

7500

[D].

2000

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is

Question: In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is
[A].

more
[B].
less
[C].
same
[D].
more or less; depends on the nature of solution

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For a heterogenous catalytic reaction, A + B C, with equimole feed of A and B, the initial rate – rA0 is invariant with total pressure. The rate controlling step is

Question: For a heterogenous catalytic reaction, A + B C, with equimole feed of A and B, the initial rate – rA0 is invariant with total pressure. The rate controlling step is
[A].

surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase.
[B].
surface reaction between absorbed A and absorbed B.
[C].
surface reaction between A in the gas phase and absorbed B.
[D].
desorption of C.

Answer: Option D

Explanation:

No answer description available for this question.

Read More For a heterogenous catalytic reaction, A + B C, with equimole feed of A and B, the initial rate – rA0 is invariant with total pressure. The rate controlling step is
CHEMICAL ENGINEERING | Fuels and Combustion

Out of the following fuels, the difference between the net and gross calorific value is maximum in case of

Question: Out of the following fuels, the difference between the net and gross calorific value is maximum in case of
[A].

pitch
[B].
fuel oil
[C].
blast furnace gas
[D].
bituminous coal

Answer: Option B

Explanation:

No answer description available for this question.

Read More Out of the following fuels, the difference between the net and gross calorific value is maximum in case of
Fuels and Combustion

A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the_________________?

A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the_________________?

A. Presence of large quantity of hydrogen in the fuel
B. Low calorific value of the fuel
C. High sulphur content in the fuel
D. Lack of thorough mixing of fuel with air

Read More A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the_________________?
CHEMICAL ENGINEERING | Furnace Technology

An example of indirectly heated furnace is the

Question: An example of indirectly heated furnace is the
[A].

soaking pit
[B].
muffle furnace
[C].
reheating furnace
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More An example of indirectly heated furnace is the
CHEMICAL ENGINEERING | Chemical Process

Most commonly used rubber vulcanising agent is

Question: Most commonly used rubber vulcanising agent is
[A].

sulphur
[B].
bromine
[C].
platinum
[D].
alumina

Answer: Option A

Explanation:

No answer description available for this question.

Read More Most commonly used rubber vulcanising agent is

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