We have the best collection of Thermodynamics Applications MCQs and answer with FREE PDF. These Thermodynamics Applications MCQs will help you to prepare for any competitive exams like: NEET, AIIMS, JEE Mains, JEE Advance, IIT JEE, JIPMER and other Exams at all levels – you just have to practice regularly.

## Thermodynamics Applications MCQs

**1. 6 litres of an ideal gas expands isothermally at a temperature of 300 Kelvin up to 10 litres at a pressure of 5 atm, what is the work done?**

a) 30 Newton metre

b) 80 Newton metre

c) 50 Newton metres

d) 20 Newton metre

**Answer: **20 Newton metre

**2. Which of the following is an intensive property?**

a) Volume

b) Colour

c) Enthalpy

d) Internal energy

**Answer: **Colour

**3. The value of the product of a universal gas constant and the temperature difference is given by 10 kJ/mol at 1 mole and the internal energy is given by 20 KJ, what is the enthalpy of this system in KJ?**

a) 30

b) 10

c) 20

d) 200

**Answer: **30

**4. What is the difference in heat capacities at constant volume and pressure?**

a) Universal volume constant

b) Universal gas constant

c) Universal pressure constant

d) Universal temperature constant

**Answer: **Universal gas constant

**5. Write temperature difference in terms of heat capacity and heat energy?**

a) ΔT = q/C

b) ΔT = qC

c) ΔT = C/q

d) ΔT = qm/C

**Answer: **ΔT = q/C

**6. If gas is expanded freely from 1 litre to 5 litres at a temperature of 60-degree centigrade what is the work done?**

a) Positive

b) Negative

c) 0

d) Infinity

**Answer: **0

**7. The specific heat at constant pressure is given by the expression ____________**

a) C_{V} = dq/dT

b) C_{P} = dq/dT

c) C_{V} = dqdt

d) C_{P} = dq/dt

**Answer: **C_{P} = dq/dT

**8. When an ideal gas is compressed in a piston using 5 atm of pressure through a 50-metre cube of volume, what is the amount of work done?**

a) 10 Newton metre

b) 0.1 Newton metre

c) 250 Newton metre

d) 55 Newton metre

**Answer: **250 Newton metre

**9. When the pressure of 3 atm is exerted over a surface area of a 10-metre square, what is a force that is applied?**

a) 30 Newton

b) 3.33 Newton

c) 0.33 Newton

d) 0.3 Newton

**Answer: **30 Newton

**10. Expansion of gas under zero pressure is free expansion.**

a) True

b) False

**Answer: **True