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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 single component two phase mixture, the number of independent variable properties are_________________?

A Two

B One

C Zero

D Three

Review Detailed Answer

Correct Answer: One

With increase in compression ratio, the efficiency of the otto engine________________?

A Increases

B Decreases

C Remain constant

D Increases linearly

Review Detailed Answer

Correct Answer: Increases

Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?

A Calorific value

B Heat of reaction

C Heat of combustion

D Heat of formation

Review Detailed Answer

Correct Answer: Heat of combustion

Entropy of a substance remains constant during a/an ____________ change?

A Reversible isothermal

B Irreversible isothermal

C Reversible adiabatic

D None of these

Review Detailed Answer

Correct Answer: Reversible adiabatic

What is the value of ln y (where y = activity co-efficient) for ideal gases ?

A Zero

B Unity

C Infinity

D Negative

Review Detailed Answer

Correct Answer: Zero

In case of a close thermodynamic system, there is ______________ across the boundaries?

A No heat and mass transfer

B No mass transfer but heat transfer

C Mass and energy transfer

D None of these

Review Detailed Answer

Correct Answer: No mass transfer but heat transfer

What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?

A 0

B 2

C 1

D 3

Review Detailed Answer

Correct Answer: 1

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?

A (∂E/∂ni)S, v, nj

B (∂G/∂ni)T, P, nj = (∂A/∂ni) T, v, nj

C (∂H/∂ni)S, P, nj

D All (A), B. and (C)

Review Detailed Answer

Correct Answer: All (A), B. and (C)

In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?

A High temperature

B Low pressure

C Low temperature only

D Both low temperature and high pressure

Review Detailed Answer

Correct Answer: Both low temperature and high pressure

The necessary condition for phase equilibrium in a multiphase system of N components is that the____________________?

A Chemical potentials of a given component should be equal in all phases

B Chemical potentials of all components should be same in a particular phase

C Sum of the chemical potentials of any given component in all the phases should be the same

D None of these

Review Detailed Answer

Correct Answer: Chemical potentials of a given component should be equal in all phases

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

For a single component two phase mixture, the number of independent variable properties are_________________?

With increase in compression ratio, the efficiency of the otto engine________________?

Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?

Entropy of a substance remains constant during a/an ____________ change?

What is the value of ln y (where y = activity co-efficient) for ideal gases ?

In case of a close thermodynamic system, there is ______________ across the boundaries?

What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?

In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?

The necessary condition for phase equilibrium in a multiphase system of N components is that the____________________?