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For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3 ), while the C.V. is same on weight basis (i.e., kcal/kg) ?

CHEMICAL ENGINEERING, Fuels and Combustion /
Question: For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3 ), while the C.V. is same on weight basis (i.e., kcal/kg) ?
[A].

Propane and acetylene

[B].

Propane and LPG

[C].

Sewage gas and gobar gas

[D].

B.F. gas and coke oven gas

Answer: Option A

Explanation:

No answer description available for this question.

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3 ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Read More »

CHEMICAL ENGINEERING, Fuels and Combustion

For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will

CHEMICAL ENGINEERING, Fuels and Combustion /
Question: For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will
[A].

increase

[B].

decrease

[C].

increase or decrease depending on the fuel type

[D].

not change

Answer: Option B

Explanation:

No answer description available for this question.

For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Read More »

CHEMICAL ENGINEERING, Fuels and Combustion

It is no longer easy to strike gold in Shakespeare’s research since much work has already been done on him.

Idioms And Phrases, Verbal Ability /
Question: It is no longer easy to strike gold in Shakespeare’s research since much work has already been done on him.
[A].

Hit a golden spot

[B].

Come across gold

[C].

Come across the word “gold”

[D].

Uncover or find a valuable line of argument or information

Answer: Option D

Explanation:

No answer description available for this question.

It is no longer easy to strike gold in Shakespeare’s research since much work has already been done on him. Read More »

Idioms And Phrases, Verbal Ability

A boy is sitting at the back seat of a car. When the driver suddenly starts moving the car (in forward direction), the boy experiences a backward force?

Verbal Reasoning, Verification Of Truth /
Question: A boy is sitting at the back seat of a car. When the driver suddenly starts moving the car (in forward direction), the boy experiences a backward force?
[A].

Always

[B].

Never

[C].

Often

[D].

Sometimes

Answer: Option A

Explanation:

When a car suddenly starts the lower part of the boy’s body will be in the motion while his upper will be at rest.

Hence he will always experience backward force:

A boy is sitting at the back seat of a car. When the driver suddenly starts moving the car (in forward direction), the boy experiences a backward force? Read More »

Verbal Reasoning, Verification Of Truth

Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.

CHEMICAL ENGINEERING, Fuels and Combustion /
Question: Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
[A].

CO content

[B].

dew point

[C].

CO2 content

[D].

O2 content

Answer: Option A

Explanation:

No answer description available for this question.

Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. Read More »

CHEMICAL ENGINEERING, Fuels and Combustion

Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.

CHEMICAL ENGINEERING, Fuels and Combustion /
Question: Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.
[A].

15-30

[B].

1-2

[C].

70-100

[D].

150-200

Answer: Option A

Explanation:

No answer description available for this question.

Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use. Read More »

CHEMICAL ENGINEERING, Fuels and Combustion