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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.

Enthalpy ‘H’ is defined as___________________?

A H = E – PV

B H = F – TS

C H – E = PV

D None of these

Review Detailed Answer

Correct Answer: H – E = PV

Adiabatic compression of a saturated water vapour makes it ____________________ ?

A Supersaturated

B Superheated

C Both A. and B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Superheated

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

A ∞

B 1

C 0

D -ve

Review Detailed Answer

Correct Answer: 0

A refrigerator may be termed as a____________________?

A Heat pump

B Heat engine

C Carnot engine

D None of these

Review Detailed Answer

Correct Answer: Heat pump

When a gas in a vessel expands, its internal energy decreases. The process involved is________________?

A Reversible

B Irreversible

C Isothermal

D Adiabatic

Review Detailed Answer

Correct Answer: Reversible

When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is__________________?

A More in vapour phase

B More in liquid phase

C Same in both the phases

D Replaced by chemical potential which is more in vapour phase

Review Detailed Answer

Correct Answer: Same in both the phases

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Enthalpy ‘H’ is defined as___________________?

Adiabatic compression of a saturated water vapour makes it ____________________ ?

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

A refrigerator may be termed as a____________________?

When a gas in a vessel expands, its internal energy decreases. The process involved is________________?

When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is__________________?

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?