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.

At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is__________________?

A 1.572

B 1.9398

C 3.389

D 4.238

Review Detailed Answer

Correct Answer: 1.572

Which of the following is affected by the temperature ?

A Fugacity

B Activity co-efficient

C Free energy

D All A, B. & C

Review Detailed Answer

Correct Answer: All A, B. & C

In any spontaneous process, the ______________ free energy decreases ?

A Helmholtz

B Gibbs

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the________________?

A Steam to ethylene ratio

B Temperature

C Pressure

D None of these

Review Detailed Answer

Correct Answer: None of these

Molar heat capacity of water in equilibrium with ice at constant pressure is Kcal/kg mole. °K_________?

A 0

B ∞

C 50

D 100

Review Detailed Answer

Correct Answer: ∞

Which of the following exemplifies an adiabatic process ?

A Melting of ice

B Condensation of alcohol vapor

C Sudden bursting of a cycle tube

D Evaporation of water

Review Detailed Answer

Correct Answer: Sudden bursting of a cycle tube

The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

A V1/V2

B V2/V1

C V1 – V2

D V1.V2

Review Detailed Answer

Correct Answer: V1/V2

Reduced pressure of a gas is the ratio of its__________________?

A Pressure to critical pressure

B Critical pressure to pressure

C Pressure to pseudocritical pressure

D Pseudocritical pressure to pressure

Review Detailed Answer

Correct Answer: Pressure to critical pressure

The freezing point of a liquid decreases when the pressure is increased, if the liquid ____________ while freezing?

A Contracts

B Expands

C Does not change in volume

D Either (A), B. or (C)

Review Detailed Answer

Correct Answer: Contracts

Melting of wax is accompanied with ______________ in entropy?

A Increase

B Decrease

C No change

D None of these

Review Detailed Answer

Correct Answer: Increase

Showing 381 to 390 of 508 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following is affected by the temperature ?

In any spontaneous process, the ______________ free energy decreases ?

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the________________?

Molar heat capacity of water in equilibrium with ice at constant pressure is Kcal/kg mole. °K_________?

Which of the following exemplifies an adiabatic process ?

The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

Reduced pressure of a gas is the ratio of its__________________?

The freezing point of a liquid decreases when the pressure is increased, if the liquid ____________ while freezing?

Melting of wax is accompanied with ______________ in entropy?

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

Which of the following is affected by the temperature ?

In any spontaneous process, the ______________ free energy decreases ?

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the________________?

Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole. °K___________________?

Which of the following exemplifies an adiabatic process ?

The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

Reduced pressure of a gas is the ratio of its__________________?

The freezing point of a liquid decreases when the pressure is increased, if the liquid ____________ while freezing?

Melting of wax is accompanied with ______________ in entropy?

Molar heat capacity of water in equilibrium with ice at constant pressure is Kcal/kg mole. °K_________?