Chemical Engineering Thermodynamics

Question: Entropy, which is a measure of the disorder of a system is
[A].

independent of pressure.

[B].

independent of temperature.

[C].

zero at absolute zero temperature for a perfect crystalline substance.

[D].

all (a), (b) & (c)

Answer: Option C

Explanation:

No answer description available for this question.

Question: At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.
[A].

eutcetic

[B].

triple

[C].

plait

[D].

critical

Answer: Option B

Explanation:

No answer description available for this question.

Question: For any system, what is the minimum number of degrees of freedom?
[A].

1

[B].

0

[C].

2

[D].

3

Answer: Option B

Explanation:

No answer description available for this question.

Question: In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.
[A].

isobaric

[B].

isothermal

[C].

isentropic

[D].

isometric

Answer: Option A

Explanation:

No answer description available for this question.

Question: y = specific heat ratio of an ideal gas is equal to
[A].

Cp/Cv

[B].

Cp/(CP-R)

[C].

1 + (R/CV)

[D].

all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: A gas shows deviation from ideal behaviour at
[A].

low pressure and high temperature.

[B].

low pressure and low temperature.

[C].

low temperature and high pressure.

[D].

high temperature and high pressure.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is
[A].

2

[B].

0

[C].

1

[D].

3

Answer: Option A

Explanation:

No answer description available for this question.

Question: A system in which there is exchange of energy but not of mass, is called a/an __________ system.
[A].

isolated

[B].

open

[C].

insulated

[D].

closed

Answer: Option D

Explanation:

No answer description available for this question.

Question: In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.
[A].

isometric

[B].

polytropic

[C].

isentropic

[D].

isobaric

Answer: Option B

Explanation:

No answer description available for this question.

Question: Kopp’s rule is used to calculate the heat capacity of
[A].

solids

[B].

liquids

[C].

gases

[D].

all (a), (b) & (c)

Answer: Option A

Explanation:

No answer description available for this question.