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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.

In Joule-Thomson porous plug experiment, the__________________?

A Enthalpy does not remain constant

B Entire apparatus is exposed to surroundings

C Temperature remains constant

D None of these

Review Detailed Answer

Correct Answer: None of these

There is a change in ______________ during the phase transition?

A Volume

B Pressure

C Temperature

D All a, b & c

Review Detailed Answer

Correct Answer: Volume

Cv is given by__________________?

A (∂E/∂T)V

B (∂E/∂V)T

C (∂E/∂P)V

D (∂V/∂T)P

Review Detailed Answer

Correct Answer: (∂E/∂T)V

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

A Maxwell’s equation

B Thermodynamic equation of state

C Equation of state

D Redlich-Kwong equation of state

Review Detailed Answer

Correct Answer: Thermodynamic equation of state

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?

A P1ACBP2P1

B ACBB1A1A

C ACBDA

D ADBB1A1A

Review Detailed Answer

Correct Answer: ACBDA

Pick out the correct statement?

A Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero

B Melting of ice involves increase in enthalpy and a decrease in randomness

C The internal energy of an ideal gas depends only on its pressure

D Maximum work is done under reversible conditions

Review Detailed Answer

Correct Answer: Maximum work is done under reversible conditions

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

A [∂(G/T)/∂T] = – (H/T2)

B [∂(A/T)/∂T]V = – E/T2

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

A refrigerator works on the principle of _____________ law of thermodynamics?

A Zeroth

B First

C Second

D Third

Review Detailed Answer

Correct Answer: Second

Entropy, which is a measure of the disorder of a system, is__________________?

A Independent of pressure

B Independent of temperature

C Zero at absolute zero temperature for a perfect crystalline substance

D All A, B. & C

Review Detailed Answer

Correct Answer: Zero at absolute zero temperature for a perfect crystalline substance

One ton of refrigeration capacity is equivalent to the heat removal rate of____________________?

A 50 kcal/hr

B 200 BTU/hr

C 200 BTU/minute

D 200 BTU/day

Review Detailed Answer

Correct Answer: 200 BTU/minute

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In Joule-Thomson porous plug experiment, the__________________?

There is a change in ______________ during the phase transition?

Cv is given by__________________?

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?

Pick out the correct statement?

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

A refrigerator works on the principle of _____________ law of thermodynamics?

Entropy, which is a measure of the disorder of a system, is__________________?

One ton of refrigeration capacity is equivalent to the heat removal rate of____________________?