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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.

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

The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = _________________?

A 1

B 0.5

C 10

D 0

Review Detailed Answer

Correct Answer: 1

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 _______________________?

The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = _________________?