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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 necessary and sufficient condition for equilibrium between two phases is_________________?

A The concentration of each component should be same in the two phases

B The temperature of each phase should be same

C The pressure should be same in the two phases

D The chemical potential of each component should be same in the two phases

Review Detailed Answer

Correct Answer: The chemical potential of each component should be same in the two phases

For an ideal liquid solution, which of the following is unity ?

A Activity

B Fugacity

C Activity co-efficient

D Fugacity co-efficient

Review Detailed Answer

Correct Answer: Activity

Internal energy is equal to the heat absorbed in case of a/an ______________ process?

A Constant volume

B Polytropic

C Adiabatic

D Constant pressure

Review Detailed Answer

Correct Answer: Constant volume

The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the ______________ of a substance?

A Simultaneous pressure & temperature change

B Heating

C Cooling

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is__________________?

A 1

B 2

C 3

D 4

Review Detailed Answer

Correct Answer: 2

For a real gas, the chemical potential is given by_____________________?

A RT d ln P

B RT d ln f

C R d ln f

D None of these

Review Detailed Answer

Correct Answer: RT d ln f

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?

A RT ln K

B -RT ln K

C -R ln K

D T ln K

Review Detailed Answer

Correct Answer: RT ln K

For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?

A Shift the equilibrium towards right

B Give higher yield of NH3

C Both B. and C

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both B. and C

Heat is added at constant pressure in an ideal _____________ cycle?

A Stirling

B Brayton

C Rankine

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

PVγ = Constant (where, γ = Cp/Cv) is valid for a/an ______________ process?

A Isothermal

B Isentropic

C Isobaric

D Adiabatic

Review Detailed Answer

Correct Answer: Adiabatic

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The necessary and sufficient condition for equilibrium between two phases is_________________?

For an ideal liquid solution, which of the following is unity ?

Internal energy is equal to the heat absorbed in case of a/an ______________ process?

The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the ______________ of a substance?

Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is__________________?

For a real gas, the chemical potential is given by_____________________?

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?

For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?

Heat is added at constant pressure in an ideal _____________ cycle?

PVγ = Constant (where, γ = Cp/Cv) is valid for a/an ______________ process?