Mechanical Operations Archives

In case of a hammer crusher, the final product size depends on the____________________?

Mechanical Operations / admin

In case of a hammer crusher, the final product size depends on the____________________?

A. Feed rate
B. Rotor speed
C. Clearance between hammer & grinding plates
D. All A., B. and C.

In case of a hammer crusher, the final product size depends on the____________________? Read More »

Mechanical Operations

Size reduction of asbestos and mica is done by____________________?

Mechanical Operations / admin

Size reduction of asbestos and mica is done by____________________?

A. Hammer mills
B. Rod mills
C. Gyratory crushers
D. Crushing rolls

Size reduction of asbestos and mica is done by____________________? Read More »

Mechanical Operations

The energy consumed by a ball mill depends on__________________?

Mechanical Operations / admin

The energy consumed by a ball mill depends on__________________?

A. Its speed
B. Its ball load
C. The density of the material being ground
D. All A., B. and C.

The energy consumed by a ball mill depends on__________________? Read More »

Mechanical Operations

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________?

Mechanical Operations / admin

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________?

A. 2
B. √2
C. 1.5
D. √3

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________? Read More »

Mechanical Operations

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

Mechanical Operations / admin

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

A. Sedimentation
B. Flocculation
C. Dispersion
D. Centrifugation

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________? Read More »

Mechanical Operations

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__________________?

Mechanical Operations / admin

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__________________?

A. Classification
B. Sedimentation
C. Clarification
D. Decantation

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__________________? Read More »

Mechanical Operations