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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 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

Entropy is a measure of the _____________ of a system?

A Disorder

B Orderly behaviour

C Temperature changes only

D None of these

Review Detailed Answer

Correct Answer: Disorder

An isentropic process is carried out at constant____________________?

A Volume

B Pressure

C Temperature

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

Review Detailed Answer

Correct Answer: Volume

The specific heat of saturated water vapour at 100°C is__________________?

B -ve

C 0

D +ve

Review Detailed Answer

Correct Answer: -ve

The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _____________ and COP are the same?

A Kinematic viscosity

B Work

C Temperature

D None of these

Review Detailed Answer

Correct Answer: None of these

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?

A Bomb

B Separating

C Bucket

D Throttling

Review Detailed Answer

Correct Answer: Bomb

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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__________________?

Entropy is a measure of the _____________ of a system?

An isentropic process is carried out at constant____________________?

The specific heat of saturated water vapour at 100°C is__________________?

The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _____________ and COP are the same?

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?