Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?

Byadmin February 18, 2019August 22, 2021

Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?

A. Kozeny-Carman
B. Hagen-Poiseuille’s
C. Fanning’s
D. Kremser

Mechanical Operations

For benefication of iron ore, the most commonly used method is______________?

For benefication of iron ore, the most commonly used method is______________?

A. Flocculation
B. Froth floatation
C. Jigging & tabling
D. None of these

Read More For benefication of iron ore, the most commonly used method is______________?
Mechanical Operations

What is the selectivity index, if the grade of tailings & concentrate is the same ?

What is the selectivity index, if the grade of tailings & concentrate is the same ?

A. 0
B. ∞
C. 1
D. 0.5

Read More What is the selectivity index, if the grade of tailings & concentrate is the same ?
Mechanical Operations

Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?

Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?

A. m/ρ . Vp
B. m . ρ/Vp
C. m . Vp/ρ
D. Vp/m . ρ

Read More Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?
Mechanical Operations

______________________ balls capable of grinding the feed in a ball mill gives the maximum efficiency ?

______________________ balls capable of grinding the feed in a ball mill gives the maximum efficiency ?

A. Cast iron
B. Minimum size
C. Maximum size
D. Elliptical

Read More ______________________ balls capable of grinding the feed in a ball mill gives the maximum efficiency ?
Mechanical Operations

_____________ are mixed using ribbon blenders ?

_____________ are mixed using ribbon blenders ?

A. Lumpy solids and low viscosity liquids
B. Dry powders
C. High viscosity liquids
D. Thick pastes

Read More _____________ are mixed using ribbon blenders ?
Mechanical Operations

The optimum moisture content in solids to be crushed/ground ranges from _______________ percent?

The optimum moisture content in solids to be crushed/ground ranges from _______________ percent?

A. 3 to 4
B. 8 to 10
C. 10 to 15
D. 15 to 20

Read More The optimum moisture content in solids to be crushed/ground ranges from _______________ percent?

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