Thermodynamics - Section 1 (4)

Directions to Solve

Thermodynamics - Section 1

25.

The value of specific heat at constant pressure (c_p) is __________ that of at constant volume (c_v).

A.	less than
B.	equal to
C.	more than

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

26.

If the value of n = 0 in the equation pvⁿ = C, then the process is called

A.	constant volume process
B.	adiabatic process
C.	constant pressure process
D.	isothermal process

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

27.

There is no change in internal energy in an isothermal process.

A.	Correct
B.	Incorrect

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

28.

According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.

A.	True
B.	False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

29.

The efficiency of Stirling cycle is __________ Carnot cycle.

A.	greater than
B.	less than
C.	equal to

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

30.

Carbonisation of coal consists of

A.	drying and crushing the coal to a fine powder
B.	moulding the finely ground coal under pressure with or without a binding material
C.	heating the wood with a limited supply of air to temperature not less than 280°C
D.	none of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

31.

The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

A.	equal to one
B.	less than one
C.	greater than one
D.	none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

32.

The atomic mass of oxygen is

A.	12
B.	14
C.	16
D.	32

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

1
2
3
4
5
6
7