The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?

Related Mcqs:

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

A. √μ B. 1/√μ C. 1/μ D. 1/μ2...

Which of the following size reduction equipments employs mainly attrition for ultrafine grinding ?

A. Jet mills B. Fluid energy mill C. Micronizer D. All A., B. and C....

For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter D. as_________________?

A. d B. √d C. d2 D. 1/d...

Pick out the material having minimum Rittinger’s number?

A. Calcite B. Pyrite C. Quartz D. Galena...

The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle) ?

A. 6/D.ρ B. 2/D.ρ C. 4/D.ρ D. 12/D.ρ...