In an isochoric process,

The first law of thermodynamics explains change in energy as ∆U = Q - W. Q is heat absorbed and W is work done. Which of the following statements are true for certain thermodynamic processes on ideal gas? (a) Q = W represents adiabatic process. (b) Q = 0 represents isothermal process (c) W = 0 for Isochoric Process

A

(a), (b) and (c)

B

(b) and (c) only

C

(c) only

D

(a) and (b) only

Isochoric process is one in which

A

Free expansion takes place

B

Very little mechanical work is done by the system

C

No mechanical work is done by the system

D

All parameters remain constant

If Q Joule heat is taken out from the gas by an isochoric process, then:

A

Work done is positive

B

Work done is negative

C

Work done is zero

D

Can't say

The work done in an isochoric process is

A

Zero

B

Positive

C

Negative

D

None of the above

For an isochoric thermodynamics process:

A

ΔQ = ΔW

B

ΔQ = ΔU

C

ΔU = ΔW

D

ΔU = 0

Which of the following is the characteristic of an isochoric process?

A

Process during which specific volume remains constant

B

Process applied to impure substances

C

Process during which no heat is transferred

D

Process during which no mass is transferred

For a isometric or isochoric process, n=infinity.

A

true

B

false

What is the work done for an isochoric process?

A

Positive

B

Negative

C

Zero

For an ideal gas isochoric process, what is the work done by the gas from 2 Pa to 1 Pa?

A

0

B

1 J

C

200 J

Which of the following graph represents Isochoric expansion? (Here, p = pressure, V = volume,γ = adiabatic index and C = constant)

A

SSC JE ME 25 Jan 18 Evening Uploading.docx Shraddha 15

B

SSC JE ME 25 Jan 18 Evening Uploading.docx Shraddha 17

C

SSC JE ME 25 Jan 18 Evening Uploading.docx Shraddha 18

D

In an isochoric process,

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