Velocity of a small particle of diameter ‘Dp’ at a distance ‘r’ from the rotational axis of a cyclone rotating at an angular speed ‘ω’ is given by (the other symbols are as per standard notation) ?

Related Mcqs:

In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the _____________ crushing?

A. Primary B. Secondary C. Fine D. Ultrafine...

Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the ______________________?

A. State or manner of application of the crushing force B. Ultimate strength of the material C. Elastic constant of the material D. All A., B. and C....

Width and speed of a conveyor belt depends upon the ______________ of the material?

A. Lump size B. Bulk density C. Both A. & B. D. Neither A. nor B....

A screen is said to be blinded, when the___________________?

A. Over-sizes are present in undersize fraction B. Under-sizes are retained in oversize fraction C. Screen is plugged with solid particles D. Screen capacity is abruptly increased...

Grinding characteristic of a material is given by its___________________?

A. HGI B. Angle of repose C. Shatter index D. Abrasion index...