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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.

_____________ extractor is used for the concentration of radioactive nuclear waste?

A Pulsed column

B Sieve plate

C Mixer-settler

D Bollman

Review Detailed Answer

Correct Answer: Pulsed column

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.

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

High pressure at the bottom of a distillation tower handling heat sensitive materials results in____________________?

A Thermal decomposition of bottoms

B Increased relative volatility

C Erosion of the tower

D Very efficient operation

Review Detailed Answer

Correct Answer: Thermal decomposition of bottoms

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

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

At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes_____________________?

A 1

B 0

C ∞

D None of these

Review Detailed Answer

Correct Answer: ∞

Which of the following provides maximum contact surface for a liquid-vapour system ?

A Packed tower

B Bubble-cap plate column

C Sieve-plate column

D Wetted wall column

Review Detailed Answer

Correct Answer: Packed tower

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

Which is not concerned directly with mass transfer ?

A Schmidt number

B Sherwood number

C Lewis relationship

D Froude number

Review Detailed Answer

Correct Answer: Froude number

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

_____________ extractor is used for the concentration of radioactive nuclear waste?

In case of unsaturated air_________________?

Minimum reflux ratio in a distillation column results in_____________________?

High pressure at the bottom of a distillation tower handling heat sensitive materials results in____________________?

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___________________?

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

At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes_____________________?

Which of the following provides maximum contact surface for a liquid-vapour system ?

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

Which is not concerned directly with mass transfer ?