| 1. | Which of the following is the extensive property of a thermodynamic system ? | |
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Pressure
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Volume
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Temperature
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Density
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Report Question| 2. | Kelvin-Planck's law deals with ? | |
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conservation of work
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conservation of heat
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conversion of heat into work
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conversion of work into heat
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| 3. | A process, in which the gas is heated or expanded in such a way that the product of pressure and volume remains constant, is called ? | |
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isothermal process
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hyperbolic process
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adiabatic process
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polytropic process
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| 4. | The efficiency of Carnot cycle depends upon ? | |
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temperature limits
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pressure ratio
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volume compression ratio
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cut-off ratio and compression ratio
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| 5. | The specific heat of water is ? | |
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1.817
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2.512
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4.187
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none of these
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| 6. | When a perfect gas is expanded through an aperture of minute dimensions, the process is known as ? | |
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isothermal process
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adiabatic process
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free expansion process
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throttling process
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| 7. | Which of the following is an intensive property of a thermodynamic system ? | |
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Volume
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Temperature
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Mass
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Energy
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| 8. | A process, in which the temperature of the working substance remains constant during in expansion or compression, is called ? | |
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isothermal process
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hyperbolic process
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adiabatic process
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polytropic process
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| 9. | The behaviour of super-heated vapour is similar to that of ? | |
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perfect gas
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air
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steam
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ordinary gas
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| 10. | Which of the following is correct ? | |
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Absolute pressure = Gauge pressure + Atmospheric pressure
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Gauge pressure = Absolute pressure Atmospheric pressure
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Atmospheric pressure = Absolute pressure + Gauge pressure
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Absolute pressure = Gauge pressure - Atmospheric pressure
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