- (A) Square root of the velocity
- (B) Square of the viscosity
- (C) Filtration time only
- (D) Washing time only
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- (A) S
- (B) 1/R
- (C) 1/μ
- (D) All
- (A) kW. sec/kg
- (B) kWh/kg
- (C) kWh/sec. kg
- (D) kg/sec
- (A) Ball mill
- (B) Rod mill
- (C) Hammer crusher
- (D) Fluid energy mill
- (A) 1 to 2°
- (B) 2 to 5°
- (C) 5 to 10°
- (D) 10 to 15°
- (A) Produces finer products
- (B) Is long in comparison with its diameter
- (C) Uses smaller balls
- (D) All
- (A) Feed rate
- (B) Rotor speed
- (C) Clearance between hammer & grinding plates
- (D) All
- (A) Hammer mills
- (B) Rod mills
- (C) Gyratory crushers
- (D) Crushing rolls
- (A) Its speed
- (B) Its ball load
- (C) The density of the material being ground
- (D) All
- (A) 2
- (B) √2
- (C) 1.5
- (D) √3
