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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.

Screen capacity is expressed in terms of____________________?

A tons/hr

B tons/ft2

C Both A. & B.

D tons/hr-ft2

Review Detailed Answer

Correct Answer: tons/hr

Crushing efficiency is the ratio of the ______________________ ?

A Surface energy created by crushing to the energy absorbed by the solid

B Energy absorbed by the solid to that fed to the machine

C Energy fed to the machine to the surface energy created by crushing

D Energy absorbed by the solid to the surface energy created by crushing

Review Detailed Answer

Correct Answer: Surface energy created by crushing to the energy absorbed by the solid

Which one is a filter aid ?

A Canvas fabric

B Diatomaceous earth

C Calcined lime

D None of these

Review Detailed Answer

Correct Answer: Diatomaceous earth

A propeller agitator_______________?

A Produces mainly axial flow

B Is used for mixing high viscosity pastes

C Runs at very slow speed (2 rpm)

D All A., B. and C.

Review Detailed Answer

Correct Answer: Produces mainly axial flow

Shell and leaf filter as compared to plate and frame filter _____________________?

A Entails less labor cost

B Facilitates filtration under higher pressure

C Provides more effective washing

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Length/diameter ratio of a ball mill is __________________ ?

A 1.5

B 1

C < 1

D > 1

Review Detailed Answer

Correct Answer: 1

Mixing mechanism employed in a pan mixer is by ________________?

A Mulling

B Kneading

C Dispersion

D None of these

Review Detailed Answer

Correct Answer: Mulling

Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?

A 0.01 L.S

B 0.087 L.S

C L.S

D L.S/0.087

Review Detailed Answer

Correct Answer: 0.087 L.S

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are________________?

A Carbonates

B Sulphates

C Silicates & phosphates

D Bi-carbonates

Review Detailed Answer

Correct Answer: Silicates & phosphates

Toothed roll crushers achieve size reduction by___________________?

A Tearing (shear) and compression

B Impact and attrition

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Screen capacity is expressed in terms of____________________?

Crushing efficiency is the ratio of the ______________________ ?

Which one is a filter aid ?

A propeller agitator_______________?

Shell and leaf filter as compared to plate and frame filter _____________________?

Length/diameter ratio of a ball mill is __________________ ?

Mixing mechanism employed in a pan mixer is by ________________?

Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are________________?

Toothed roll crushers achieve size reduction by___________________?