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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.

The equation Tds = dE – PdV applies to___________________?

A Single phase fluid of varying composition

B Single phase fluid of constant composition

C Open as well as closed systems

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

A First law

B Zeroth law

C Third law

D Second law

Review Detailed Answer

Correct Answer: Zeroth law

Throttling (Joule-Thomson effect) process is a constant _____________ process?

A Enthalpy

B Entropy

C Pressure

D None of these

Review Detailed Answer

Correct Answer: Enthalpy

Cp of a gas at its critical temperature and pressure_______________?

A Becomes zero

B Becomes infinity

C Equals 1 kcal/kmol °K

D Equals 0.24 kcal/kmol °K

Review Detailed Answer

Correct Answer: Becomes infinity

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

A TR/(T2 – TR) × (T1 – T2)/T1

B TR/(T2 – TR) × T1/(T1 – T2)

C TR/(T1 – TR) × (T1 – T2)/T1

D None of these

Review Detailed Answer

Correct Answer: TR/(T2 – TR) × (T1 – T2)/T1

An ideal liquid refrigerant should______________________?

A Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils

B Not have unduly high vapour pressure at the condenser temperature

C Both A. and B

D Have low specific heat

Review Detailed Answer

Correct Answer: Both A. and B

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?

A 2

B 0

C 1

D 3

Review Detailed Answer

Correct Answer: 2

Pick out the Clausius-Clapeyron equation from the following?

A dP/dT = ΔH/TΔV

B ln P = – (ΔH/RT) + constant

C ΔF = ΔH + T [∂(ΔF)/∂T]P

D None of these

Review Detailed Answer

Correct Answer: ln P = – (ΔH/RT) + constant

Gibbs-Duhem equation_____________________?

A States that n1dμ1 + n2dμ2 + ….njdμj = 0, for a system of definite composition at constant

B Applies only to binary systems

C Finds no application in gas-liquid equilibria involved in distillation

D None of these

Review Detailed Answer

Correct Answer: States that n1dμ1 + n2dμ2 + ….njdμj = 0, for a system of definite composition at constant

The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?

A Kelvin’s

B Antoine’s

C Kirchoff’s

D None of these

Review Detailed Answer

Correct Answer: Kirchoff’s

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The equation Tds = dE – PdV applies to___________________?

Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

Throttling (Joule-Thomson effect) process is a constant _____________ process?

Cp of a gas at its critical temperature and pressure_______________?

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

An ideal liquid refrigerant should______________________?

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?

Pick out the Clausius-Clapeyron equation from the following?

Gibbs-Duhem equation_____________________?

The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?