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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.

Flooding in a distillation column is detected by a sharp ___________________?

A Increase in Murphree plate efficiency

B Decrease in pressure drop

C Decrease in liquid hold up in the column

D Increase in pressure drop

Review Detailed Answer

Correct Answer: Increase in pressure drop

Which of the following operations does not involve leaching ?

A Dissolving gold from ores

B Dissolving pharmaceutical products from bark or roots

C Dissolving sugar from the cells of the beet

D Removing nicotine from its water solution by kerosene

Review Detailed Answer

Correct Answer: Removing nicotine from its water solution by kerosene

Diameter to height ratio for a raschig ring is_____________________?

A 1

B 0.5

C 2

D 8

Review Detailed Answer

Correct Answer: 1

With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency____________________?

A Increases

B Decreases

C Remain same

D May increase or decrease; depends on individual design

Review Detailed Answer

Correct Answer: Increases

For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is___________________?

A Calculated

B Unknown

C Known

D Not required

Review Detailed Answer

Correct Answer: Known

Batch tray dryers suffers from the disadvantage of______________________?

A High maintenance cost

B Non-uniform & low production rate

C High labour cost & low heat economy

D All ‘a’, ‘b’ & ‘c’

Review Detailed Answer

Correct Answer: High labour cost & low heat economy

Smoke is an example of ___________________?

A Solid dispersed in liquid

B Solid dispersed in gas

C Liquid dispersed in gas

D Gas dispersed in liquid

Review Detailed Answer

Correct Answer: Solid dispersed in gas

Rotary dryers cannot handle _______________ materials ?

A Free flowing

B Dry

C Sticky

D Granular

Review Detailed Answer

Correct Answer: Sticky

Prandtl number for water at 20°C is about ________________?

A 7

B 70

C 0.7

D 150

Review Detailed Answer

Correct Answer: 7

The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is___________________?

A +ve

B -ve

C Zero

D None of these

Review Detailed Answer

Correct Answer: +ve

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Flooding in a distillation column is detected by a sharp ___________________?

Which of the following operations does not involve leaching ?

Diameter to height ratio for a raschig ring is_____________________?

With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency____________________?

For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is___________________?

Batch tray dryers suffers from the disadvantage of______________________?

Smoke is an example of ___________________?

Rotary dryers cannot handle _______________ materials ?

Prandtl number for water at 20°C is about ________________?

The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is___________________?