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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.

The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an ___________________?

A Pure component

B Binary mixture

C Ternary mixture

D Insoluble binary system

Review Detailed Answer

Correct Answer: Pure component

Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the ________________ temperature?

A Dry-bulb

B Wet-bulb

C Dew point

D Adiabatic saturation

Review Detailed Answer

Correct Answer: Wet-bulb

In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of_________________?

A 1.5

B -0.6

C -1.5

D 0.6

Review Detailed Answer

Correct Answer: 1.5

In case of unsaturated air____________________?

A Dew point < wet bulb temperature

B Wet bulb temperature < dry bulb temperature

C Both A. and B.

D Neither A. not B.

Review Detailed Answer

Correct Answer: Both A. and B.

The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?

A Liquid side

B Gas side

C Interfacial

D Both liquid and gas side

Review Detailed Answer

Correct Answer: Gas side

Minimum reflux ratio in a distillation column results in__________________?

A Optimum number of trays

B Minimum reboiler size

C Maximum condenser size

D Minimum number of trays

Review Detailed Answer

Correct Answer: Maximum condenser size

Steady state equimolal counter diffusion is encountered in_____________________?

A Separation of a binary mixture by distillation

B Absorption of NH3 from air by water

C All liquid-liquid diffusion systems

D All liquid-solid diffusion systems

Review Detailed Answer

Correct Answer: Separation of a binary mixture by distillation

Experimental determination of _______________ is done by wetted wall column method?

A Diffusion co-efficient

B Mass transfer co-efficient

C NTU

D None of these

Review Detailed Answer

Correct Answer: Mass transfer co-efficient

Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a ________________ column?

A Spray

B Packed

C Bubble cap plate

D Wetted wall

Review Detailed Answer

Correct Answer: Wetted wall

In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be_____________________?

A At ground level

B 2 metres above the ground

C 5 metres above ground

D 10 metres above ground

Review Detailed Answer

Correct Answer: At ground level

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an ___________________?

Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the ________________ temperature?

In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of_________________?

In case of unsaturated air____________________?

The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?

Minimum reflux ratio in a distillation column results in__________________?

Steady state equimolal counter diffusion is encountered in_____________________?

Experimental determination of _______________ is done by wetted wall column method?

Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a ________________ column?

In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be_____________________?