Mechanical Operations

Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?

Byadmin February 18, 2019August 22, 2021

Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?

A. 3
B. 30
C. 85
D. 25

Mechanical Operations

The most suitable equipment for the transportation of 200 mesh size particles is a _______________?

The most suitable equipment for the transportation of 200 mesh size particles is a _______________?

A. Bucket elevator
B. Pneumatic conveyor
C. Screw conveyor
D. Belt conveyor

Read More The most suitable equipment for the transportation of 200 mesh size particles is a _______________?
Mechanical Operations

The filtrate flow rate in constant pressure filtration___________________?

The filtrate flow rate in constant pressure filtration___________________?

A. Continuously increases
B. Continuously decreases
C. Remain constant throughout
D. May increase or decrease; depends on the pressure

Read More The filtrate flow rate in constant pressure filtration___________________?
Mechanical Operations

In a roll crusher, the specific power consumption and the production rate is affected by the_________________?

In a roll crusher, the specific power consumption and the production rate is affected by the_________________?

A. Reduction ratio
B. Differential roll speed
C. Both A. and B.
D. Neither A. nor B.

Read More In a roll crusher, the specific power consumption and the production rate is affected by the_________________?
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__________________?

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

Read More 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

Pick out the material having minimum Rittinger’s number?

Pick out the material having minimum Rittinger’s number?

A. Calcite
B. Pyrite
C. Quartz
D. Galena

Read More Pick out the material having minimum Rittinger’s number?
Mechanical Operations

The speed of a rotary drum vacuum filter may be about _____________ rpm?

The speed of a rotary drum vacuum filter may be about _____________ rpm?

A. 1
B. 50
C. 100
D. 500

Read More The speed of a rotary drum vacuum filter may be about _____________ rpm?