Mechanical Operations

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a ______________ conveyor?

Byadmin February 18, 2019August 23, 2021

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a ______________ conveyor?

A. Flight
B. Slat or drag
C. Ribbon
D. Screw

Mechanical Operations

During size reduction by a jaw crusher, the energy consumed decreases with the__________________?

During size reduction by a jaw crusher, the energy consumed decreases with the__________________?

A. Decreasing size of product at constant size of feed
B. Decreasing machine capacity
C. Increasing size of feed at constant reduction ratio
D. None of these

Read More During size reduction by a jaw crusher, the energy consumed decreases with the__________________?
Mechanical Operations

Feed size of ≥ 25 cms can be accepted by _______________________?

Feed size of ≥ 25 cms can be accepted by _______________________?

A. Ball mill
B. Rod mill
C. Fluid energy mill
D. Jaw crusher

Read More Feed size of ≥ 25 cms can be accepted by _______________________?
Mechanical Operations

To remove dirt from the flowing fluid, we use a ____________________?

To remove dirt from the flowing fluid, we use a ____________________?

A. Coagulant
B. Gravity settler
C. Strains
D. Clarifier

Read More To remove dirt from the flowing fluid, we use a ____________________?
Mechanical Operations

Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?

Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?

A. Easier grindability
B. Poor grindability
C. High power consumption in grinding
D. None of these

Read More Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?
Mechanical Operations

For raschig rings, the sphericity is_____________________?

For raschig rings, the sphericity is_____________________?

A. 0.5
B. 1
C. < 1
D. √3

Read More For raschig rings, the sphericity is_____________________?
Mechanical Operations

Solid particles of different densities are separated by _____________________?

Solid particles of different densities are separated by _____________________?

A. Filters
B. Thickness
C. Cyclones
D. Sorting classifier

Read More Solid particles of different densities are separated by _____________________?