Mechanical Operations

Which of the following is not used as a surface active agent in a flocculation operation ?

Byadmin February 18, 2019August 22, 2021

Which of the following is not used as a surface active agent in a flocculation operation ?

A. Sodium silicate
B. Quartz
C. Lime
D. Alumina

Mechanical Operations

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

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

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

Out of the following size reduction equipments, the maximum feed size can be accepted by the__________________?

Out of the following size reduction equipments, the maximum feed size can be accepted by the__________________?

A. Tube mill
B. Ball mill
C. Jaw crusher
D. Jet pulveriser

Read More Out of the following size reduction equipments, the maximum feed size can be accepted by the__________________?
Mechanical Operations

The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to___________________?

The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to___________________?

A. N°
B. N1
C. N2
D. N3

Read More The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to___________________?
Mechanical Operations

Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?

Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?

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

Read More Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?
Mechanical Operations

Which of the following is a coarse crusher ?

Which of the following is a coarse crusher ?

A. Smooth roll crusher
B. Toothed roll crusher
C. Gyratory crusher
D. Tube mill

Read More Which of the following is a coarse crusher ?
Mechanical Operations

Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an________________?

Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an________________?

A. Air filter
B. Bag filter
C. Venturi scrubber
D. Hydrocyclones

Read More Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an________________?

Similar Posts