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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.

PVy = constant, holds good for an isentropic process, which is_________________?

A Reversible and isothermal

B Isothermal and irreversible

C Reversible and adiabatic

D Adiabatic and irreversible

Review Detailed Answer

Correct Answer: Reversible and adiabatic

Melting of ice exemplifies a/an______________________?

A Adiabatic process

B Endothermic reaction

C Exothermic reaction

D Process involving a chemical reaction

Review Detailed Answer

Correct Answer: Endothermic reaction

As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?

A Unity

B Zero

C That of the heat of reaction

D Infinity

Review Detailed Answer

Correct Answer: Zero

Normal temperature and pressure (N.T.P.) corresponds to ___________________?

A 0°C and 760 mm Hg

B 15°C and 760 mm Hg

C 20°C and 760 mm Hg

D 0°C and 1 kgf/cm2

Review Detailed Answer

Correct Answer: 0°C and 760 mm Hg

Which of the following is a thermodynamic property of a system ?

A Concentration

B Mass

C Temperature

D Entropy

Review Detailed Answer

Correct Answer: Entropy

The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature) ?

A √(2KT/m)

B √(3KT/m)

C √(6KT/m)

D 3KT/m

Review Detailed Answer

Correct Answer: √(3KT/m)

In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?

A More

B Less

C Same

D Unpredictable; depends on the particular reaction

Review Detailed Answer

Correct Answer: Same

Requisites of a reversible process is that the ____________________?

A System and surroundings pressure be equal

B Friction in the system should be absent

C System and surroundings temperature be equal

D None of these

Review Detailed Answer

Correct Answer: Friction in the system should be absent

The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

A Less than

B More than

C Same as

D Not related to

Review Detailed Answer

Correct Answer: Same as

Internal energy of an ideal gas___________________?

A Increases with increase in pressure

B Decreases with increase in temperature

C Is independent of temperature

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

PVy = constant, holds good for an isentropic process, which is_________________?

Melting of ice exemplifies a/an______________________?

As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?

Normal temperature and pressure (N.T.P.) corresponds to ___________________?

Which of the following is a thermodynamic property of a system ?

The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature) ?

In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?

Requisites of a reversible process is that the ____________________?

The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

Internal energy of an ideal gas___________________?