Question

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)

a.

3.6 V.W.Dr.ρ

b.

3.6 V.W. ρ

c.

3.6 W.Dr.ρ

d.

3.6 V.W.Dr/ρ

Answer: (a).3.6 V.W.Dr.ρ

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of

Q. The inlet pressure in a constant rate filtration

Q. Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill.

Q. Particle size range in which dust catcher (gravity settling chamber) works most effectively and efficiently is __________ microns.

Q. __________ centrifuge is the most suitable for separation of non-friable crystals.

Q. For benefication of iron ore, the most commonly used method is

Q. The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

Q. In classification, particles are said to be equal settling, if they have the same terminal velocities in the

Q. Dispersion of a gas through liquid is done by using a

Q. Work index is defined as the

Q. Removal of activated carbon from glycerine is done by

Q. A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Q. Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called

Q. Reciprocal of sphericity is termed as the

Q. With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge

Q. Pick out the wrong statement.

Q. In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.

Q. Which of the following is a batch sedimentation equipment ?

Q. The most suitable equipment for the transportation of 200 mesh size particles is a

Q. Which of the following is not used as filter aid?

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!