Chemical Engineering

Question: For a constant volume process __________ by the system is used only to increase the internal energy.
[A].

heat absorbed

[B].

work done

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option A

Explanation:

No answer description available for this question.

Question: Normal temperature and pressure (N.T.P.) corresponds to
[A].

0°C and 760 mm Hg.

[B].

15°C and 760 mm Hg.

[C].

20°C and 760 mm Hg.

[D].

0°C and 1 kgf/cm2.

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ explains the equilibrium constant for any chemical reaction.
[A].

Henry’s law

[B].

Law of mass action

[C].

Hess’s law

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: No work is done by the system, when a reaction occurs at constant
[A].

volume

[B].

temperature

[C].

pressure

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: A refrigerator may be termed as a
[A].

heat pump

[B].

heat engine

[C].

Carnot engine

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Generation of heat by friction is an example of a/an __________ change.
[A].

isothermal

[B].

irreversible

[C].

adiabatic

[D].

reversible

Answer: Option B

Explanation:

No answer description available for this question.

Question: A gas performs the maximum work, when it expands
[A].

non-uniformly

[B].

adiabatically

[C].

isobarically

[D].

isothermally

Answer: Option C

Explanation:

No answer description available for this question.

Question: Heating of water under atmospheric pressure is an __________ process.
[A].

isochoric

[B].

isobaric

[C].

adiabatic

[D].

isothermal

Answer: Option B

Explanation:

No answer description available for this question.

Question: Internal energy change of a system over one complete cycle in a cyclic process is
[A].

zero

[B].

+ve

[C].

-ve

[D].

dependent on the path

Answer: Option A

Explanation:

No answer description available for this question.

Question: An ideal monoatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram The work done during the cycle is
[A].

PV

[B].

2PV

[C].

PV/2

[D].

0

Answer: Option A

Explanation:

No answer description available for this question.