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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 fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?

A The statement as per Gibbs-Helmholtz

B Called Lewis-Randall rule

C Henry’s law

D None of these

Review Detailed Answer

Correct Answer: Called Lewis-Randall rule

If two gases have same reduced temperature and reduced pressure, then they will have the same____________________?

A Volume

B Mass

C Critical temperature

D None of these

Review Detailed Answer

Correct Answer: None of these

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?

A Low temperature and high pressure

B Low temperature and low pressure

C High temperature and high pressure

D High temperature and low pressure

Review Detailed Answer

Correct Answer: Low temperature and high pressure

For equilibrium process (i.e. reversible) in an isolated system __________________?

A ds = 0

B ds 0

D ds = Constant

Review Detailed Answer

Correct Answer: ds = 0

Critical temperature is defined as the temperature above which a gas will____________________?

A Not liquify (barring exceptions)

B Immediately liquify

C Never liquify however high the pressure may be

D None of these

Review Detailed Answer

Correct Answer: Never liquify however high the pressure may be

The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?

A Reversible isothermal volume change

B Heating of a substance

C Cooling of a substance

D Simultaneous heating and expansion of an ideal gas

Review Detailed Answer

Correct Answer: Simultaneous heating and expansion of an ideal gas

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure___________________?

A Increases

B Decreases

C Remain same

D Decreases linearly

Review Detailed Answer

Correct Answer: Increases

Which of the following is not a reversible process ?

A Expansion of an ideal gas against constant pressure

B Atmospheric pressure vaporisation of water at 100°C

C Solution of NaCl in water at 50°C

D None of these

Review Detailed Answer

Correct Answer: Solution of NaCl in water at 50°C

Equilibrium constant of a reaction varies with the____________________?

A Initial concentration of the reactant

B Pressure

C Temperature

D None of these

Review Detailed Answer

Correct Answer: Temperature

For a cyclic process, a fixed ratio between heat and work___________________?

A Always exists

B May exist

C Never exists

D Is difficult to predict

Review Detailed Answer

Correct Answer: Always exists

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

“The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?

If two gases have same reduced temperature and reduced pressure, then they will have the same____________________?

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?

For equilibrium process (i.e. reversible) in an isolated system __________________?

Critical temperature is defined as the temperature above which a gas will____________________?

The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure___________________?

Which of the following is not a reversible process ?

Equilibrium constant of a reaction varies with the____________________?

For a cyclic process, a fixed ratio between heat and work___________________?