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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.

A very dilute solution is prepared by dissolving ‘x1’ mole of solute in ‘x2’ mole of a solvent. The mole fraction of solute is approximately equal to_________________?

A x1/x2

B x2/x1

C 1 – (x1/x2)

D 1/x2

Review Detailed Answer

Correct Answer: x1/x2

Atomic ______________ of an element is a whole number?

A Weight

B Number

C Volume

D Radius

Review Detailed Answer

Correct Answer: Number

The latent heat of vaporisation__________________?

A Decreases with increased temperature

B Decreases as pressure increases

C Becomes zero at the critical point

D All A., B. & C.

Review Detailed Answer

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

Atoms of the same element, but of different masses are called__________________?

A Isobars

B Isotones

C Isotopes

D None of these

Review Detailed Answer

Correct Answer: Isotopes

The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?

A Eutectic point

B Boyle temperature

C Boiling point

D Critical temperature

Review Detailed Answer

Correct Answer: Eutectic point

Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?

A Higher than

B Smaller than

C Equal to

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

Review Detailed Answer

Correct Answer: Smaller than

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?

A Measures the elevation in boiling point

B Is not dependent on the temperature

C Is a function of the liquid phase composition

D Measures the depression in freezing point

Review Detailed Answer

Correct Answer: Is a function of the liquid phase composition

Size range of the colloids particles is __________________?

A 5 – 200 milli-microns

B 50 – 200 microns

C 500 – 1000 microns

D 10 – 50 Angstrom

Review Detailed Answer

Correct Answer: 5 – 200 milli-microns

Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?

A 10.73 kJ

B 16.15 kJ

C 18.11 kJ

D 18.33 kJ

Review Detailed Answer

Correct Answer: 18.11 kJ

Which of the following is a type of sedimentary rock?

A Organic rock

B Chemical rock

C Clastic rock

D All of the above

Review Detailed Answer

Correct Answer: All of the above

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A very dilute solution is prepared by dissolving ‘x1’ mole of solute in ‘x2’ mole of a solvent. The mole fraction of solute is approximately equal to_________________?

Atomic ______________ of an element is a whole number?

The latent heat of vaporisation__________________?

Atoms of the same element, but of different masses are called__________________?

The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?

Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?

Size range of the colloids particles is __________________?

Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?

Which of the following is a type of sedimentary rock?