Mechanical Operations

Solid particles of different densities are separated by _____________________?

Byadmin February 18, 2019August 22, 2021

Solid particles of different densities are separated by _____________________?

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

Mechanical Operations

_______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

_______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

A. Tumbler
B. Banbury
C. Muller
D. Ribbon blender

Read More _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?
Mechanical Operations

Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?

Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?

A. 0.01 L.S
B. 0.087 L.S
C. L.S
D. L.S/0.087

Read More Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) ?
Mechanical Operations

_____________ is the most suitable for compounding rubber and plastic solids ?

_____________ is the most suitable for compounding rubber and plastic solids ?

A. Banbury mixer
B. Pan mixer
C. Pug mill
D. Charge can mixer

Read More _____________ is the most suitable for compounding rubber and plastic solids ?
Mechanical Operations

For the preliminary breaking of hard rock, we use a____________________?

For the preliminary breaking of hard rock, we use a____________________?

A. Gyratory crusher
B. Ball mill
C. Tube mill
D. Squirrel-cage disintegrator

Read More For the preliminary breaking of hard rock, we use a____________________?
Mechanical Operations

Which of the following is not a non-metalliferous mineral ?

Which of the following is not a non-metalliferous mineral ?

A. Calcite
B. Fluorspar
C. Quartz
D. Cassiterite

Read More Which of the following is not a non-metalliferous mineral ?
Mechanical Operations

Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator ?

Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator ?

A. Cresylic acid
B. Copper sulphate
C. Calcium carbonate
D. Sodium carbonate

Read More Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator ?

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