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# Thermodynamics Questions And Answers | Objective Type, MCQs, Practice Test(function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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## Thermodynamics Quiz

1. A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

2. The efficiency and work ratio of a simple gas turbine cycle are

3. The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

4. An adiabatic process is one in which

5. Which of the following is the lightest and most volatile liquid fuel?

6. The processes occuring in open system which permit the transfer of mass to and from the system, are known as

7. Which of the following has the minimum atomic mass?

8. Workdone in a free expansion process is

9. The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.

10. The compression ratio for petrol engines is

11. The efficiency of Diesel cycle approaches to Otto cycle efficiency when

12. The entropy __________ in an irreversible cyclic process.

13. The atomic mass of oxygen is

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

15. Carbonisation of coal consists of

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

17. Which of the following is correct?

18. Which of the following statement is incorrect?

19. Which of the following gas is mostly used in town for street and domestic lighting and heating?

20. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called