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.

Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________________ distillation?

A Atmospheric

B Vacuum

C High pressure

D None of these

Review Detailed Answer

Correct Answer: Vacuum

When the temperature and humidity of air is low, we usually use _______________ draft cooling tower?

A Natural

B Forced

C Induced

D None of these

Review Detailed Answer

Correct Answer: Natural

In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?

A Temperature and pressure

B Concentration

C Nature of the constituents

D None of these

Review Detailed Answer

Correct Answer: None of these

Leaching of sugar from sugar beets is done by___________________?

A Hot water

B Hexane

C Dilute H2SO4

D Lime water

Review Detailed Answer

Correct Answer: Hot water

In an absorber, HETP does not vary with the____________________?

A Flow rate of liquid

B Flow rate of gas

C Type and size of packing

D None of these

Review Detailed Answer

Correct Answer: None of these

Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?

A Dry bulb temperature

B Dew point

C Wet bulb temperature

D None of these

Review Detailed Answer

Correct Answer: Wet bulb temperature

Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?

A Heat gain or loss

B Flow rate of entering liquid

C Flow rate of gas

D None of these

Review Detailed Answer

Correct Answer: Flow rate of entering liquid

During drying operation, it is easier to remove the ________________ moisture ?

A Equilibrium

B Critical

C Unbound

D Bound

Review Detailed Answer

Correct Answer: Unbound

In extractive distillation, solvent is_____________________?

A Added to alter the relative volatility of the mixture

B Of high volatility

C Present in overhead stream

D Of high viscosity to give high tray efficiency

Review Detailed Answer

Correct Answer: Added to alter the relative volatility of the mixture

At a fixed total pressure, humidity depends only on the _______________________?

A Partial pressure of vapour in the mixture

B Heat capacity of the vapour

C Density of the vapour

D None of these

Review Detailed Answer

Correct Answer: Partial pressure of vapour in the mixture

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________________ distillation?

When the temperature and humidity of air is low, we usually use _______________ draft cooling tower?

In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?

Leaching of sugar from sugar beets is done by___________________?

In an absorber, HETP does not vary with the____________________?

Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?

Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?

During drying operation, it is easier to remove the ________________ moisture ?

In extractive distillation, solvent is_____________________?

At a fixed total pressure, humidity depends only on the _______________________?