Which of the following is not used as a surface active agent in a flocculation operation ?

Related Mcqs:

At low Reynold’s number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5: Power number Re = ρ N D2/μ: Reynold’s number N is the impeller rotational speed, and D is the impeller diameter ?

A. Po ∝ Re-1.0 B. Po ∝ Re0.0 C. Po ∝ Re0.5 D. Po ∝ Re1.0...

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...

Wheat is ground into flour in a___________________?

A. Hammer crusher B. Roller crusher C. Impact mill D. Fluid energy mill...

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

A. Sedimentation B. Flocculation C. Dispersion D. Centrifugation...

Which of the following must be stored in silos and not in open yard ?

A. Coke breeze B. High V.M. bituminous coal C. Sand D. None of these...