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.

2 litres of nitrogen at N.T.P. weighs ______________ gms ?

A 14

B 2.5

C 28

D 1.25

Review Detailed Answer

Correct Answer: 2.5

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

A 273°C

B 273°K

C 100°C

D 200°C

Review Detailed Answer

Correct Answer: 273°C

“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?

A Law of Petit and Dulong

B Kopp’s rule

C Nernst heat theorem

D Trouton’s rule

Review Detailed Answer

Correct Answer: Kopp’s rule

The vapour pressure of a solution (made by dissolving a solute in a solvent) is ____________ that of the pure solvent?

A Less than

B More than

C Equal to

D Either more or less; depends on the solvent

Review Detailed Answer

Correct Answer: Less than

A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________?

A 3 kmole/hr

B 4 kmole/hr

C 5 kmole/hr

D 6 kmole/hr

Review Detailed Answer

Correct Answer: 5 kmole/hr

Boiling point of a non-homogeneous mixture of immiscible liquids is _____________ that of any one of its separate components?

A Lower than

B Higher than

C Equal to

D Either A. or B.; depends on the liquids

Review Detailed Answer

Correct Answer: Lower than

The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal _____________ in the two phases?

A Potential energy

B Intermolecular forces

C Kinetic energy

D Total energy

Review Detailed Answer

Correct Answer: Kinetic energy

The crystallisation of a solute from a solution may be done by________________?

A Removal of pure solvent by evaporation

B Change of temperature thereby causing super-saturation

C Changing the nature of the system by the addition of a more soluble material

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________________?

A 20

B 32.2

C 45.35

D 58.65

Review Detailed Answer

Correct Answer: 58.65

Except for monatomic gases, the molal heat capacity at constant volume for all gases is _____________ Kcal/Kg mole.° K?

A 3

B > 3

C < 3

D < 1

Review Detailed Answer

Correct Answer: 3

Showing 9071 to 9080 of 9594 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

2 litres of nitrogen at N.T.P. weighs ______________ gms ?

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?

The vapour pressure of a solution (made by dissolving a solute in a solvent) is ____________ that of the pure solvent?

A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________?

Boiling point of a non-homogeneous mixture of immiscible liquids is _____________ that of any one of its separate components?

The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal _____________ in the two phases?

The crystallisation of a solute from a solution may be done by________________?

Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________________?

Except for monatomic gases, the molal heat capacity at constant volume for all gases is _____________ Kcal/Kg mole.° K?