1. The heating of a gas at constant pressure is governed by Charles' law.
2. The condition for the reversibility of a cycle is
3. In open cycle gas turbine plants
4. The compression ratio is the ratio of
5. The conditions of temperature and pressure at 0°C (273K) and 760 mm of Hg pressure are termed as __________ temperature and pressure.
6. The state of a substance whose evaporation from its liquid state is partial, is known as steam.
7. The hard coke is obtained when carbonisation of coal is carried out at
8. According to First law of thermodynamics,
9. One molecule of oxygen consists of __________ atoms of oxygen.
10. Stirling cycle consists of
11. The amount of heat given out by the complete combustion of 1 kg of fuel is known as calorific value of solid or liquid fuel.
12. Carnot cycle consists of
13. The root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)
14. The efficiency of Ericsson cycle is __________ Carnot cycle.
15. The numerical value of the thermal capacity and the water equivalent of the substance are the same.
16. When a fluid is allowed to expand suddenly into a vacuum chamber through an orifice of large dimensions, the process is known as free expansion process.
17. The value of universal gas constant is same for all gases.
18. The temperature at which the volume of a gas becomes zero is called
19. The gas in cooling chamber of a closed cycle gas turbine is cooled at
20. When a gas is heated at constant pressure
Thermodynamics MCQ 7
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