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.

Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of______________?

A Fusion

B Vaporisation

C Transition

D None of these

Review Detailed Answer

Correct Answer: Transition

Heat is added at constant temperature in an ideal ______________ cycle?

A Stirling

B Brayton

C Rankine

D None of these

Review Detailed Answer

Correct Answer: Stirling

A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?

A Less than

B More than

C Equal to or higher than

D Less than or equal to

Review Detailed Answer

Correct Answer: Less than

“If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?

A Hess’s

B Kirchoff’s

C Lavoisier and Laplace

D None of these

Review Detailed Answer

Correct Answer: Hess’s

In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible _____________ process?

A Adiabatic

B Isometric

C Isentropic

D Isothermal

Review Detailed Answer

Correct Answer: Isometric

For an ideal gas, the activity co-efficient is_________________?

A Directly proportional to pressure

B Inversely proportional to pressure

C Unity at all pressures

D None of these

Review Detailed Answer

Correct Answer: Unity at all pressures

A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?

A 448

B 224

C 22.4

D Data insufficient; can’t be computed

Review Detailed Answer

Correct Answer: 448

Pick out the correct equation relating ‘F’ and ‘A’___________________?

A F = A + PV

B F = E + A

C F = A – TS

D F = A + TS

Review Detailed Answer

Correct Answer: F = A + PV

In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will _____________ the degree of dissociation of PCl5?

A Increase

B Decrease

C Not alter

D None of these

Review Detailed Answer

Correct Answer: Increase

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________?

A (R/ΔH) (1/T1 – 1/T2)

B (ΔH/R) (1/T1 – 1/T2)

C (ΔH/R) (1/T2 – 1/T1)

D (1/R) (1/T1 – 1/T2)

Review Detailed Answer

Correct Answer: (ΔH/R) (1/T1 – 1/T2)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of______________?

Heat is added at constant temperature in an ideal ______________ cycle?

A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?

“If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?

In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible _____________ process?

For an ideal gas, the activity co-efficient is_________________?

A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?

Pick out the correct equation relating ‘F’ and ‘A’___________________?

In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will _____________ the degree of dissociation of PCl5?

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________?