# Mcq on Zeroth law of thermodynamics

The Mechanical engineering, is plays vital role in today's Technology,
It Assist you to done things with ease, so let's learn about Zeroth law of thermodynamics that helps to modernize our society.

So keeping these things in mind, Lets learn about the topic of Mcq on zeroth law of thermodynamics

Multiple choice questions (MCQ)on Zeroth law of thermodynamics. Zeroth law of thermodynamics

Objective questions:
1. "when two body are in thermal equilibrium with the third body, then they all are also in thermal equilibrium with each other". This statement by which law..
B. Second law of thermodynamics
C. Third law of thermodynamics
D. Zeroth law of thermodynamics

2. Zeroth law of thermodynamics based on which parameter..
A. Temperature
B. Pressure
C. Density
D. Velocity

3. Which instrument work on zeroth law of thermodynamics
A. Thermometer
B. Hydrometer
C. Hot wire anemometer
D. None of the above

4. Can we use zeroth law of thermodynamics to define the temperature.
A. True
B. False

5. Zeroth law of thermodynamics based on observation.
A. True
B. False

6. Heat and work are path functions .
A. True
B. False

7. The absolute zero temperature is taken as..
A. 273k
B. -273C
C. 237C
D. 237k

8. SI unit of energy is...
A. KJ
B. J
C. W
D. J/M

9. Zeroth law of thermodynamics came to know after 1st law 2nd law and 3rd law of thermodynamics.
A. True
B. False

10. Mercury tube thermometer is example of zeroth law of thermodynamics.
A. True
B. False

11. The value of CP/CV for air is 1.4.
A. True
B. False

12. The sum of internal energy and the product of pressure and volume is known as...
A. Workdone
B. Entropy
C. Enthalpy
D. None of the above

13. When a gas is heated at constant volume..
A. Its temperature will increase
B. Its pressure will increase
C. Both temperature and pressure will increase
D. Neither pressure nor temperature will increase

14. When a gas is heated at constant pressure..
A. Its temperature will increase
B. Its pressure will increase
C. Both temperature and pressure will increase
D. Neither pressure nor temperature will increase

15. When a gas is heated change takes place in
A. Pressure
B. Temperature
C. Volume
D. All of the above

16. The heating of gas at constant volume is governed by...
A. Boyle's law
B. Charles law
C. Gay-lussac law

17. The heating of gas at constant pressure is governed by...
A. Boyle's law
B. Charles law
C. Gay-lussac law

18. The heating of gas at constant temperature is governed by...
A. Boyle's law
B. Charles law
C. Gay-lussac law

19. Heating of gas at constant pressure is followed by Charles law.
A. True
B. False

20. When the gas is heated with a constant volume process both the temperature and pressure will increases.
A. True
B. False

21. The hyperbolic process is governed by
A. Boyle's law
B. Charles law
C. Gay-lussac law

22. When the gas is cooled at constant pressure both the temperature and volume decreases
A. True
B. False

23. The heating and Expanding of gas is called thermodynamic system
A. Yes
B. No

24. There is no change in internal energy in isothermal process.
A. Correct
B. Incorrect

25. A definite area or a space where some thermodynamic process takes place is known as...
A. Thermodynamic system
B. Thermodynamics cycle
C. Thermodynamics process
D. Thermodynamics law

Here we concluding, If you have any queries about this topic then feel free to comment below.

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