Thermodynamics

131. Which law states that the internal energy of a gas is a function of temperature

1. Charles' law
2. Joule's law
3. Regnault's law
4. Boyle's law
5. there is no such law.

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132. Which law states that the specific heat of a gas remains constant at all temperatures and pressures

1. Charles' Law
2. Joule's Law
3. Regnault's Law
4. Boyle's Law
5. there is no such law.

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133. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.

1. 02, N2, steam, C02
2. Oz, N2, water vapour
3. S02, NH3, C02, moisture
4. 02, N2, H2, air
5. steam vapours, H2, C02.

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134. Which of the following cycles has maximum efficiency

1. Rankine
2. Stirling
3. Carnot
4. Brayton
5. Joule.

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135. Which of the following cycles is not a reversible cycle

1. Carnot
2. Ericsson
3. Stirling
4. Joule
5. none of the above.

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136. Which of the following is an irreversible cycle

1. carnot
2. Stirling
3. ericsson
4. all of the above
5. none of the above.

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137. Which of the following is not the intensive property

1. pressure
2. temperature
3. density
4. heat
5. specific volume.

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138. Which of the following is the property of a system

1. pressure and temperature
2. internal energy
3. volume and density
4. enthalpy and entropy
5. all of the above.

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139. Which of the following items is not a path function

1. heat
2. work
3. kinetic energy
4. vdp
5. thermal conductivity.

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140. Which of the following laws is applicable for the behavior of a perfect gas

1. Boyle's law
2. Charles'law
3. Gay-Lussac law
4. all of the above
5. Joule's law.

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