Chemical Engineering - Mechanical Operations

16. 

Two particles are called to be equal settling, if they are having the same.

A. size.
B. specific gravity.
C. terminal velocities in the same fluid & in the same field of force.
D. none of these.

Answer: Option C

Explanation:

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17. 

Which of the following is the most suitable for handling fibrous and dense slurries ?

A. Propeller agitator
B. Cone type agitator
C. Turbine agitator
D. Radial propeller agitator

Answer: Option B

Explanation:

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18. 

__________ centrifuge is normally used in sugar mills.

A. Tubular bowl
B. Disc-bowl
C. Suspended batch basket
D. Perforated horizontal basket continuous

Answer: Option C

Explanation:

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19. 

Solid particles separation based on the difference in their flow velocities through fluids is termed as the

A. clarification
B. classification
C. elutriation
D. sedimentation

Answer: Option B

Explanation:

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20. 

Diatomaceous earth is a/an

A. explosive
B. filter aid
C. filter medium
D. catalyst

Answer: Option B

Explanation:

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