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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.

All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?

A CO2

B H2

C O2

D N2

Review Detailed Answer

Correct Answer: H2

Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates__________________?

A Use of only one graph for all gases

B Covering of wide range

C Easier plotting

D More accurate plotting

Review Detailed Answer

Correct Answer: Use of only one graph for all gases

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?

A μ° + RT ln f

B μ°+ R ln f

C μ° + T ln f

D μ° + R/T ln f

Review Detailed Answer

Correct Answer: μ° + RT ln f

Charles’ law for gases states that__________________?

A V/T = Constant

B V ∝ 1/T

C V ∝ 1/P

D PV/T = Constant

Review Detailed Answer

Correct Answer: V/T = Constant

______________ Equation predicts the activity co-efficient from experimental data ?

A Lewis-Randall

B Margules

C Van Laar

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is__________________?

A -2 RT ln 0.5

B -RT ln 0.5

C 0.5 RT

D 2 RT

Review Detailed Answer

Correct Answer: -RT ln 0.5

At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?

A 72

B 92

C 142

D 192

Review Detailed Answer

Correct Answer: 92

A large iceberg melts at the base, but not at the top, because of the reason that_________________?

A Ice at the base contains impurities which lowers its melting point

B Due to the high pressure at the base, its melting point reduces

C The iceberg remains in a warmer condition at the base

D All A, B. and C

Review Detailed Answer

Correct Answer: Due to the high pressure at the base, its melting point reduces

Which of the following is not correct for a reversible adiabatic process ?

A TVγ-1 = constant

B p1-γ.TY = constant

C PVγ = constant

D None of these

Review Detailed Answer

Correct Answer: None of these

In an ideal gas mixture, fugacity of a species is equal to its___________________?

A Vapor pressure

B Partial pressure

C Chemical potential

D None of these

Review Detailed Answer

Correct Answer: Partial pressure

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?

Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates__________________?

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?

Charles’ law for gases states that__________________?

______________ Equation predicts the activity co-efficient from experimental data ?

The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is__________________?

At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?

A large iceberg melts at the base, but not at the top, because of the reason that_________________?

Which of the following is not correct for a reversible adiabatic process ?

In an ideal gas mixture, fugacity of a species is equal to its___________________?