Thermodynamics

71. Intensive property of a system is one whose value

1. depends on the mass of the system, like volume
2. does not depend on the mass of the system, like temperature, pressure, etc.
3. is not dependent on the path followed but on the state
4. is dependent on the path followed and not on the state
5. remains constant.

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72. Isochoric process is one in which

1. free expansion takes place
2. very little mechanical work is done by the system
3. no mechanical work is done by the system
4. all parameters remain constant
5. mass and energy transfer do not take place.

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73. Kelvin Planck's law deals with

1. conservation of heat
2. conservation of work
3. conversion of heat into work
4. conversion fo work into heat
5. conservation of mass.

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74. Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

1. T
2. j
3. J2
4. Vr
5. 1/Vr.

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75. Kinetic theory of gases assumes that the collisions between the molecules are

1. perfectly elastic
2. perfectly inelastic
3. partly elastic
4. partly inelastic
5. partly elastic and partly inelastic.

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76. Measurement of temperature is based on

1. thermodynamic properties
2. zeroth law of thermodynamics
3. first law of thermodynamics
4. second law of thermodynamics
5. joule's law.

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77. Minimum work in compressor is possible when the value of adiabatic index n is equal to

1. 0.75
2. 1
3. 1.27
4. 1.35
5. 2

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78. Mixture of ice and water form a

1. closed system
2. open system
3. isolated system
4. heterogeneous system
5. thermodynamic system.

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79. Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be

1. 4.17m3/kgmol
2. 400 m3/kg mol
3. 0.15 m3/kg mol
4. 41.7 m3/kg mol
5. 417m3/kgmol.

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80. No liquid can exist as liquid at

1. - 273 °K
2. vacuum
3. zero pressure
4. centre of earth
5. in space.

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