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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.

The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?

A Vacuum

B Sand

C Plate & frame

D Rotary

Review Detailed Answer

Correct Answer: Sand

Which of the following gives the crushing energy required to create new surface ?

A Taggarts rule

B Fick’s law

C Rittinger’s Law

D None of these

Review Detailed Answer

Correct Answer: Rittinger’s Law

Sphericity of raschig ring (whose length and diameter are equal) is___________________?

A > 1

B < 1

C 1

D 2

Review Detailed Answer

Correct Answer: 1

Energy consumed for crushing one ton of material ranges from ______________ kWh?

A 0.01 to 0.1

B 0.5 to 1.5

C 2 to 3.5

D 4 to 5

Review Detailed Answer

Correct Answer: 0.5 to 1.5

Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively ?

A 200°C and 5 atm

B 1000°C and 10 atm

C 500°C and 50 atm

D 1000°C and 500 atm

Review Detailed Answer

Correct Answer: 1000°C and 10 atm

Separation of materials of the same density based on their sizes by using then-different rates of flow is called__________________?

A Sorting

B Sizing

C Flocculation

D Elutriation

Review Detailed Answer

Correct Answer: Sizing

The specific surface of spherical particles is proportional to (where, Dp = diameter of particle)?

A D2

B Dp

C 1/Dp

D 1/D2p

Review Detailed Answer

Correct Answer: Dp

Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?

A Propeller

B Helical screw

C Flat blade turbine

D Curved blade turbine

Review Detailed Answer

Correct Answer: Helical screw

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

A √μ

B 1/√μ

C 1/μ

D 1/μ2

Review Detailed Answer

Correct Answer: √μ

Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?

A Kozeny-Carman

B Hagen-Poiseuille’s

C Fanning’s

D Kremser

Review Detailed Answer

Correct Answer: Kozeny-Carman

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?

Which of the following gives the crushing energy required to create new surface ?

Sphericity of raschig ring (whose length and diameter are equal) is___________________?

Energy consumed for crushing one ton of material ranges from ______________ kWh?

Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively ?

Separation of materials of the same density based on their sizes by using then-different rates of flow is called__________________?

The specific surface of spherical particles is proportional to (where, Dp = diameter of particle)?

Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?