MCQsDrive | MCQsDrive

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 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

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

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)

A domestic refrigerator has a/an ____________ cooled condenser?

A Water

B Air

C Evaporative

D Gas

Review Detailed Answer

Correct Answer: Air

The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

A Van Laar

B Margules

C Gibbs-Duhem

D Gibbs-Duhem-Margules

Review Detailed Answer

Correct Answer: Margules

During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?

A +ve

B 0

C -ve

D ∞

Review Detailed Answer

Correct Answer: +ve

A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?

A Zero

B Positive

C Negative

D None of these

Review Detailed Answer

Correct Answer: Negative

Sublimation temperature of dry ice (solid CO2) is ____________ °C?

A -273

B 0

C -78

D 5

Review Detailed Answer

Correct Answer: -78

Which of the following is not a common refrigerant ?

A Freon-12

B Ethylene

C Ammonia

D Carbon dioxide

Review Detailed Answer

Correct Answer: Ethylene

The energy of activation of exothermic reaction is_________________?

A Zero

B Negative

C Very large compared to that for endothermic reaction

D Not possible to predict

Review Detailed Answer

Correct Answer: Not possible to predict

Showing 1291 to 1300 of 1825 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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

During Joule-Thomson expansion of gases_________________?

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

A domestic refrigerator has a/an ____________ cooled condenser?

The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?

A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?

Sublimation temperature of dry ice (solid CO2) is ____________ °C?

Which of the following is not a common refrigerant ?

The energy of activation of exothermic reaction is_________________?