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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Partial molar free energy of an element A in solution is same as its__________________?

A Chemical potential

B Activity

C Fugacity

D Activity co-efficient

Review Detailed Answer

Correct Answer: Chemical potential

The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?

A Temperature

B Pressure

C Composition

D All (A), B. and (C)

Review Detailed Answer

Correct Answer: All (A), B. and (C)

Entropy of the system decreases, when_______________?

A Snow melts into water

B A gas expands spontaneously from high pressure to low pressure

C Water is converted into ice

D Both B. & C

Review Detailed Answer

Correct Answer: Both B. & C

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

A Isometric

B Polytropic

C Isentropic

D Isobaric

Review Detailed Answer

Correct Answer: Polytropic

A gas shows deviation from ideal behaviour at______________?

A Low pressure and high temperature

B Low pressure and low temperature

C Low temperature and high pressure

D High temperature and high pressure

Review Detailed Answer

Correct Answer: Low temperature and high pressure

Water on heating from 1 to 4°C___________________?

A Contracts

B Expands

C Has same volume

D May contract or expand

Review Detailed Answer

Correct Answer: Contracts

The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is________________?

A (∂T/∂V)S = – (∂P/∂S)V

B (∂S/∂P)T = – (∂V/∂T)P

C (∂V/∂S)P = (∂T/∂P)S

D (∂S/∂V)T = (∂P/∂T)V

Review Detailed Answer

Correct Answer: (∂S/∂V)T = (∂P/∂T)V

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

A Less

B More

C Same

D More or less depending upon the extent of work done

Review Detailed Answer

Correct Answer: More

Specific heat of a gas for a reversible adiabatic process is________________?

A Negative

B Zero

C Infinity

D None of these

Review Detailed Answer

Correct Answer: Zero

The gas law (PV = RT) is true for an ______________ change?

A Isothermal

B Adiabatic

C Both A. & B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. & B

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Partial molar free energy of an element A in solution is same as its__________________?

The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?

Entropy of the system decreases, when_______________?

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

A gas shows deviation from ideal behaviour at______________?

Water on heating from 1 to 4°C___________________?

The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is________________?

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

Specific heat of a gas for a reversible adiabatic process is________________?

The gas law (PV = RT) is true for an ______________ change?