Bond crushing law calls for relatively less energy for the smaller product parti

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Question
Bond crushing law
Options
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 to the square root of the volume to surface ratio of the product.
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.

1. __________ are used for the separation of coarse particles from a slurry of fine particles.
Options
A. Thickeners
B. Classifiers
C. Hydrocyclones
D. Decanters

Correct Answer: Classifiers

2. Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is
Options
A. >10
B. <10
C. >100
D. <100

Correct Answer: <10

3. Which of the follwoing mechanical conveyors does not come under the division 'scrapers'?
Options
A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor.

Correct Answer: Bucket elevators

Correct Answer: screw colaveyor

Correct Answer: jaw crusher

6. General crushing equation is given by . Bond's crushing law isobtained by solving this equation for n = __________ and feed of infinite size.
Options
A. 1
B. 1.5
C. 2
D. 2.5