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ThermoDynamics - Interview Questions and Answers

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21. The unit of power in S.I. units is
A. newton
B. pascal
C. erg
D. watt
E. joule.
Explanation: ANSWER : : watt Explanation :
22. According to Dalton's law, the total pres sure of the mixture of gases is equal to
A. greater of the partial pressures of all
B. average of the partial pressures of all
C. sum of the partial pressures of all
D. sum of the partial pressures of all divided by average molecular weight
E. atmospheric pressure.
Explanation: ANSWER : : sum of the partial pressures of all Explanation :
23. An ideal gas as compared to a real gas at very high pressure occupies
A. more volume
B. less volume
C. same volume
D. unpredictable behavior
E. no such correlation.
Explanation: ANSWER : : more volume Explanation :
24. According to kinetic theory of gases, the absolute zero temperature is attained when
A. volume of the gas is zero
B. pressure of the gas is zero
C. kinetic energy of the molecules is zero
D. specific heat of gas is zero
E. mass is zero.
Explanation: ANSWER : : kinetic energy of the molecules is zero Explanation :
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