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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 washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is__________________?

A 4

B 1/4

C 1

D 1/2

Review Detailed Answer

Correct Answer: 4

For raschig rings, the sphericity is_____________________?

A 0.5

B 1

C < 1

D √3

Review Detailed Answer

Correct Answer: 1

Which of the following relationships between co-efficient of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct ?

A μ > tan α

B μ ≥ tan α

C μ > tan 2α

D μ ≤ tan α

Review Detailed Answer

Correct Answer: μ ≥ tan α

A cottrell precipitator makes use of the ______________ for dusty air cleaning?

A Electric spark

B Corona discharge

C Alternating current

D None of these

Review Detailed Answer

Correct Answer: Corona discharge

Bucket elevators are not suitable for the vertical lifting of __________ materials?

A Fine (e.g. – 200 mesh size coal)

B Sticky (e.g. clay paste)

C Small lumpy (e.g. grains and sand)

D Free flowing

Review Detailed Answer

Correct Answer: Sticky (e.g. clay paste)

The unit of filter medium resistance is________________?

A cm-1

B gm/cm-1

C cm/gm-1

D gm-1

Review Detailed Answer

Correct Answer: cm-1

A tube mill as compared to a ball mill__________________?

A Employs smaller balls

B Gives finer size reduction but consumes more power

C Has larger length/diameter ratio (>2 as compared to 1 for ball mill)

D All A., B. and C.

Review Detailed Answer

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

In case of grinding in a ball mill__________________?

A Wet grinding achieves a finer product size than dry grinding

B Its capacity decreases with increasing fineness of the products

C Grinding cost and power requirement increases with increasing fineness of the products

D All A., B. and C

Review Detailed Answer

Correct Answer: All A., B. and C

The specific cake resistance for compressible sludges is a function of the pressure drop__________________?

A Over cake

B Over medium

C Overall

D None of these

Review Detailed Answer

Correct Answer: Over cake

Vacuum filter is most suitable for the_______________?

A Removal of fines from liquid

B Liquids having high vapour pressure

C Liquids of very high viscosity

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is__________________?

For raschig rings, the sphericity is_____________________?

Which of the following relationships between co-efficient of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct ?

A cottrell precipitator makes use of the ______________ for dusty air cleaning?

Bucket elevators are not suitable for the vertical lifting of __________ materials?

The unit of filter medium resistance is________________?

A tube mill as compared to a ball mill__________________?

In case of grinding in a ball mill__________________?

The specific cake resistance for compressible sludges is a function of the pressure drop__________________?

Vacuum filter is most suitable for the_______________?