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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.

In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?

A P

B 1/P

C 1/√P

D √P

Review Detailed Answer

Correct Answer: P

Air at a particular humidity is heated in a furnace. The new dew point_____________________?

A Decreases

B Increases

C Depends on the extent of heating

D Remain unchanged

Review Detailed Answer

Correct Answer: Increases

Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ______________________?

A A pure component

B A binary mixture

C A ternary mixture

D Partially miscible ternary system

Review Detailed Answer

Correct Answer: A binary mixture

Which of the following unit operations makes use of Thiele-Geddes equation ?

A Liquid-liquid extraction

B Solid-liquid extraction

C Multi-component absorption with chemical reaction

D Multi-component distillation

Review Detailed Answer

Correct Answer: Multi-component distillation

The-relative volatility for separation of a non-ideal binary mixture by distillation should be ___________________?

A 0

B 1

C > 1

D < 1

Review Detailed Answer

Correct Answer: 1

If moisture content of solid on dry basis is X, then the same on wet basis is____________________?

A X/(X + 1)

B X/(1 – X)

C (1 + X)/X

D (1 – X)/X

Review Detailed Answer

Correct Answer: X/(X + 1)

For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?

A Water has a high latent heat of evaporation

B Lewis number is close to unity

C They are always equal under all circumstances

D Solubility of the components of air in water is very small

Review Detailed Answer

Correct Answer: Water has a high latent heat of evaporation

In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as_____________________?

A Ri = Re/(1 – Re)

B Ri = (1 – Re)/Re

C Ri = Re

D Ri = Re/(1 + Re)

Review Detailed Answer

Correct Answer: Ri = Re

Separation of two or more components of a liquid solution cannot be achieved by___________________?

A Fractional crystallisation

B Liquid extraction

C Absorption

D Evaporation

Review Detailed Answer

Correct Answer: Absorption

Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when____________________?

A Extracting solvent is cheaply & abundantly available

B One of the liquid components is heat sensitive

C Viscosity of liquid components is very high

D One of the liquid components has very high affinity towards the solvent

Review Detailed Answer

Correct Answer: One of the liquid components has very high affinity towards the solvent

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?

Air at a particular humidity is heated in a furnace. The new dew point_____________________?

Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ______________________?

Which of the following unit operations makes use of Thiele-Geddes equation ?

The-relative volatility for separation of a non-ideal binary mixture by distillation should be ___________________?

If moisture content of solid on dry basis is X, then the same on wet basis is____________________?

For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?

In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as_____________________?

Separation of two or more components of a liquid solution cannot be achieved by___________________?

Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when____________________?