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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 following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

A 100,000 kW

B 160,000 kW

C 200,000 kW

D 320,000 kW

Review Detailed Answer

Correct Answer: 320,000 kW

Joule-Thomson experiment is__________________?

A Isobaric

B Adiabatic

C Isenthalpic

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 3

Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?

A Infinity

B Minus infinity

C Zero

D None of these

Review Detailed Answer

Correct Answer: Minus infinity

Which is a state function ?

A Specific volume

B Work

C Pressure

D Temperature

Review Detailed Answer

Correct Answer: Work

The quantitative effect of temperature on chemical equilibrium is given by the____________________?

A Van’t-Hoff equation

B Le-Chatelier’s principle

C Arrhenius equation

D None of these

Review Detailed Answer

Correct Answer: Van’t-Hoff equation

The ammonia synthesis reaction represented by N2 + 3H2 ⇌ 2NH3; ΔH = – 22.4 kcal, is__________________?

A Endothermic

B Exothermic

C Isothermal

D Adiabatic

Review Detailed Answer

Correct Answer: Exothermic

Gibbs free energy at constant pressure and temperature under equilibrium conditions is___________________?

A ∞

B 0

C Maximum

D Minimum

Review Detailed Answer

Correct Answer: Minimum

Consider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?

A -94 kcal

B +94 kcal

C > 94 kcal

D < -94 kcal

Review Detailed Answer

Correct Answer: +94 kcal

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as__________________?

A Solubility increases as temperature increases

B Solubility increases as temperature decreases

C Solubility is independent of temperature

D Solubility increases or decreases with temperature depending on the Gibbs free energy change

Review Detailed Answer

Correct Answer: Solubility increases as temperature decreases

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

Joule-Thomson experiment is__________________?

Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?

Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?

Which is a state function ?

The quantitative effect of temperature on chemical equilibrium is given by the____________________?

The ammonia synthesis reaction represented by N2 + 3H2 ⇌ 2NH3; ΔH = – 22.4 kcal, is__________________?

Gibbs free energy at constant pressure and temperature under equilibrium conditions is___________________?

Consider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as__________________?