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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.

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

The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?

A Expansion of a real gas

B Reversible isothermal volume change

C Heating of an ideal gas

D Cooling of a real gas

Review Detailed Answer

Correct Answer: Reversible isothermal volume change

dW and dq are not the exact differential, because q and W are__________________?

A State functions

B Path functions

C Intensive properties

D Extensive properties

Review Detailed Answer

Correct Answer: Path functions

Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) ?

A (atm)Δx, when Δx is negative

B (atm)Δx, when Δx is positive

C Dimensionless, when Δx = 0

D (atm)Δx2, when Δx > 0

Review Detailed Answer

Correct Answer: (atm)Δx2, when Δx > 0

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature ____________ as its mole fraction increases?

A Decreases

B Decreases exponentially

C Increases

D Remain constant

Review Detailed Answer

Correct Answer: Increases

(∂E/∂T)V is the mathematical expression for____________________?

A CV

B Enthalpy change

C Free energy change

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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?

The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?

dW and dq are not the exact differential, because q and W are__________________?

Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) ?

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature ____________ as its mole fraction increases?

(∂E/∂T)V is the mathematical expression for____________________?