Thermodynamics Test

Result

Thermodynamics Test - 49

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Weekly Quiz Competition

Question 1
4 / -1

For an ideal gas, in an isothermal process

A
Heat content remains constant

B
Heat content and temperature remain constant

C
Temperature remains constant

D
None of the above
Question 2
4 / -1

In an isothermal reversible expansion, if the volume of 96 g of oxygen at 27°C is increased from 70 litres to 140 litres, then the work done by the gas will be

A

B

C

D

Solution
Question 3
4 / -1

A vessel containing 5 litres of a gas at 0.8 m pressure is connected to an evacuated vessel of volume 3 litres. The resultant pressure inside will be (assuming whole system to be isolated)

A
4/3 m

B
0.5 m

C
2.0 m

D
3/4 m

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

A
Isothermal changes only

B
Adiabatic changes only

C
Both isothermal and adiabatic changes

D
Neither isothermal nor adiabatic changes
Question 6
4 / -1

One mole of 0₂ gas having a volume equal to 22.4 litres at 0°C and I atmospheric pressure in compressed isothermally so that its volume reduces to 11.2 litres. The work done in this process i

A
1672.5 J

B
1728 J

C
–1728 J

D
–1572.5 J

Solution
Question 7
4 / -1

If a gas is heated at constant pressure, its isothermal compressibility

A
Remains constant

B
Increases linearly with temperature

C
Decreases linearly with temperature

D
Decreases inversely with temperature

Solution
Question 8
4 / -1

The isothermal bulk modulus of an ideal gas at pressure P is

A

B

C

D

Solution
Question 9
4 / -1

In isothermal expansion, the pressure is determined by

A
Temperature only

B
Compressibility only

C
Both temperature and compressibility

D
None of the above

Solution
Question 10
4 / -1

The isothermal bulk modulus of a perfect gas at normal pressure is

A

B

C

D

Solution