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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

All Topics  9594

Carbon black is pulverised in a_______________?
A Hammer crusher
B Ball mill
C Roll crusher
D Gyratory crusher
Correct Answer: Ball mill
Which of the following is a vacuum filter ?
A Filter press
B Rotary disc filter
C Batch basket centrifuge
D Tank filter (Nutsche filter)
Correct Answer: Rotary disc filter
A fluid energy mill is used for_________________?
A Cutting
B Grinding
C Ultra grinding
D Crushing
Correct Answer: Ultra grinding
Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid ?
A Sand bed filter
B Plate and frame filter press
C Vacuum filter
D Batch basket centrifuge
Correct Answer: Vacuum filter
The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake)__________________?
A ∝ ΔP
B ∝ 1/ ΔP
C ∝ √ΔP
D Independent of ΔP
Correct Answer: Independent of ΔP
Filtration capacity of a rotary drum vacuum filter depends upon the_______________?
A Cake thickness
B Characteristics of the feed slurry
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
Bond crushing law_________________?
A Calls for relatively less energy for the smaller product particles, than does the Rittinger law
B Is less realistic in estimating the power requirements of commercial crushers
C States that the work required to form particle of any size from very large feed is proportional
D States that the work required for the crushing is proportional to the new surface created
Correct Answer: Calls for relatively less energy for the smaller product particles, than does the Rittinger law
Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle)?
A 6.V/D.S
B V/6D.S
C D.S/V
D V/D.S
Correct Answer: 6.V/D.S
A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for _______________ flow of filtrate?
A Compressible cakes and laminar
B Incompressible cake and laminar
C Compressible cake and turbulent
D Incompressible cake and turbulent
Correct Answer: Incompressible cake and laminar
In a roll crusher, both the rolls_________________?
A Have the same diameter
B Are rotated towards each other
C Run either at the same or different speeds
D All A., B. and C.
Correct Answer: All A., B. and C.
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