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) ?

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

by
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.

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

by
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.

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?

by
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:

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.

by
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.