Mechanical Operations

For sizing of fine materials, the most suitable equipment is a____________________?

Byadmin February 18, 2019August 22, 2021

For sizing of fine materials, the most suitable equipment is a____________________?

A. Trommel
B. Grizzly
C. Shaking screen
D. Vibrating screen

Mechanical Operations

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?

A. 3.6 V.W.Dr.ρ
B. 3.6 V.W. ρ
C. 3.6 W.Dr.ρ
D. 3.6 V.W.Dr/ρ

Read More Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?
Mechanical Operations

Pine oil used in froth floatation technique acts as a/an_____________________?

e oil used in froth floatation technique acts as a/an_____________________?

A. Collector
B. Modifier
C. Frother
D. Activator

Read More Pine oil used in froth floatation technique acts as a/an_____________________?
Mechanical Operations

During agitation of liquids, power consumption during laminar flow is not proportional to the ________________?

During agitation of liquids, power consumption during laminar flow is not proportional to the ________________?

A. Density of the liquid
B. Viscosity of the liquid
C. Cube of impeller diameters
D. Square of rotational speed

Read More During agitation of liquids, power consumption during laminar flow is not proportional to the ________________?
Mechanical Operations

Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) ?

Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) ?

A. 0.5 D
B. D
C. 1.5 D
D. 2 D

Read More Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) ?
Mechanical Operations

Which of the following is a continuous filter ?

Which of the following is a continuous filter ?

A. Plate and frame filter
B. Cartridge filter
C. Shell and leaf filter
D. None of these

Read More Which of the following is a continuous filter ?
Mechanical Operations

Which of the following mechanical conveyors does not come under the division „scrapers‟ ?

Which of the following mechanical conveyors does not come under the division „scrapers‟ ?

A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor

Read More Which of the following mechanical conveyors does not come under the division „scrapers‟ ?

Similar Posts