CHEMICAL ENGINEERING | Furnace Technology

Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.

Byadmin August 23, 2022

Question: Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.
[A].

250

[B].

650

[C].

850

[D].

1000

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by

Question: In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by
[A].

potassium hydroxide.
[B].
dilute potassium carbonate.
[C].
cuporus chloride.
[D].
alkaline pyragllol solution.

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Environmental Engineering

Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.

Question: Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.
[A].

low amount of excess combustion air
[B].
large quantity of excess combustion air
[C].
hydrocarbon fuel
[D].
pulverised coal as fuel

Answer: Option A

Explanation:

No answer description available for this question.

Read More Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.
CHEMICAL ENGINEERING | Chemical Engineering Basics

All radiations falling on a black body are

Question: All radiations falling on a black body are
[A].

refracted
[B].
reflected
[C].
transmitted
[D].
absorbed

Answer: Option D

Explanation:

No answer description available for this question.

Read More All radiations falling on a black body are
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Participation of __________ is involved in the occurrence of a chemical reaction.

Question: Participation of __________ is involved in the occurrence of a chemical reaction.
[A].

protons
[B].
neutrons
[C].
electrons
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Participation of __________ is involved in the occurrence of a chemical reaction.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Wrought iron is never shaped by

Question: Wrought iron is never shaped by
[A].

casting
[B].
cold working
[C].
forging
[D].
welding

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Process

‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of

Question: ‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of
[A].

N2 & H2
[B].
CO2 & H2
[C].
CO & H2
[D].
C & H2

Answer: Option C

Explanation:

No answer description available for this question.

Read More ‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of

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