Explore topic-wise MCQs in Thermodynamics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_FACT_THAT_INTERNAL_ENERGY_OF_A_MIXTURE_IS_EQUAL_TO_THE_SUM_OF_THE_PARTIAL_INTERNAL_ENERGIES_OF_THE_GASES_CAN_ALSO_BE_APPLIED_TO_PROPERTIES_LIKE_H,CV,CP,S,F,_AND_G.?$

A. true
B. false
Answer» B. false
2.

WHEN_GASES_WHICH_ARE_AT_EQUAL_PRESSURE_AND_TEMPERATURE_ARE_MIXED_ADIABATICALLY_WITHOUT_WORK,_THEN?$

A. internal energy of the gaseous system remains constant
B. heat transfer of the gaseous system remains constant
C. entropy of the gaseous system remains constant
D. all of the mentioned
Answer» B. heat transfer of the gaseous system remains constant
3.

The total entropy of a mixture of gases is the ____ of the partial entropies?

A. average
B. weighted mean
C. sum
D. difference of the highest and the lowest
Answer» D. difference of the highest and the lowest
4.

A quantity called partial volume of a component of mixture is used.

A. true
B. false
Answer» B. false
5.

The gas constant of the mixture is the ____ of the gas constants of the components.

A. average
B. weighted mean
C. sum
D. difference of the highest and the lowest
Answer» C. sum
6.

According to the Dalton’s law of partial pressures, the total pressure of a mixture of ideal gases is equal to the$

A. difference of the highest and lowest pressure
B. product of the partial pressures
C. sum of the partial pressures
D. none of the mentioned
Answer» D. none of the mentioned
7.

The expression nRT/V is called the partial pressure of a gas.

A. true
B. false
Answer» B. false
8.

The expression which represents the pressure exerted by a gas is

A. nVRT
B. nRT/V
C. V/nRT
D. 1/nVRT
Answer» C. V/nRT