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.

Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is ___________________?

A T2/(T1 – T2)

B T1/(T1 – T2)

C (T1 – T2)/T1

D (T1 – T2)/T2

Review Detailed Answer

Correct Answer: T2/(T1 – T2)

Joule-Thomson co-efficient is defined as__________________?

A μ = (∂P/∂T)H

B μ = (∂T/∂P)H

C μ = (∂E/∂T)H

D μ = (∂E/∂P)H

Review Detailed Answer

Correct Answer: μ = (∂T/∂P)H

Work done is a____________________?

A Property of the system

B Path function

C Point function

D State description of a system

Review Detailed Answer

Correct Answer: Path function

The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?

A 0

B ∞

C +ve

D -ve

Review Detailed Answer

Correct Answer: +ve

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is___________________?

A Cv.dT

B Cp.dT

C ∫ Cp.dT

D ∫ Cv.dT

Review Detailed Answer

Correct Answer: Cp.dT

During Joule-Thomson expansion of gases_________________?

A Enthalpy remains constant

B Entropy remains constant

C Temperature remains constant

D None of these

Review Detailed Answer

Correct Answer: Enthalpy remains constant

When pressure is applied on the system, ice ↔ water, then_________________?

A Equilibrium cannot be established

B More ice will be formed

C More water will be formed

D Evaporation of water will take place

Review Detailed Answer

Correct Answer: More water will be formed

The equilibrium constant for a chemical reaction at two different temperatures is given by__________________?

A Kp2/Kp1 = – (ΔH/R) (1/T2 – 1/T1)

B Kp2/Kp1 = (ΔH/R) (1/T2 – 1/T1)

C Kp2/Kp1 = ΔH (1/T2 – 1/T1)

D Kp2/Kp1 = – (1/R) (1/T2 – 1/T1)

Review Detailed Answer

Correct Answer: Kp2/Kp1 = – (ΔH/R) (1/T2 – 1/T1)

In an irreversible process________________?

A Tds = dE – dW = 0

B dE – dW – Tds = 0

C Tds – dE + dW < 0

D Tds – dT + dW < 0

Review Detailed Answer

Correct Answer: Tds – dE + dW < 0

A domestic refrigerator has a/an ____________ cooled condenser?

A Water

B Air

C Evaporative

D Gas

Review Detailed Answer

Correct Answer: Air

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is ___________________?

Joule-Thomson co-efficient is defined as__________________?

Work done is a____________________?

The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is___________________?

During Joule-Thomson expansion of gases_________________?

When pressure is applied on the system, ice ↔ water, then_________________?

The equilibrium constant for a chemical reaction at two different temperatures is given by__________________?

In an irreversible process________________?

A domestic refrigerator has a/an ____________ cooled condenser?