In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of _______________ crushing?

Related Mcqs:

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?

A. British standard screens B. German standard screens (DIN 1171) etc C. American standard screens (ASTM and Tyler standard screens) D. All A., B. and C....

Use of grinding aids results in the ___________________?

A. Enhanced production rate B. Finer products C. Both A. & B. D. Neither A. nor B....

Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called__________________?

A. Classification B. Froth floatation C. Thickening D. Clarification...

Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?

A. Filtering B. Washing C. Drying D. All A., B. & C....

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...