A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is_____________?

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...

General mechanism of size reduction in intermediate and fine grinder is by __________________?

A. Cutting action B. Compression C. Compression and tearing D. Impact and attrition...

Which of the following is a vacuum filter ?

A. Filter press B. Rotary disc filter C. Batch basket centrifuge D. Tank filter (Nutsche filter)...

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?

A. 3.6 V.W.Dr.ρ B. 3.6 V.W. ρ C. 3.6 W.Dr.ρ D. 3.6 V.W.Dr/ρ...

_____________ mills are termed as impactors?

A. Hammer B. Cage C. Rolling-compression D. None of these...