Chemical Engineering Answers

Find the critical speed of the ball mill in RPM?

(a) 20.1

(b) 30.7 (c) 49.6 (J) 67.8. (e) None

What are the chemicals are used in froth floatation experiments?

Plate and frame filter is a......

(a) Positive pressure filter (b) Vacuum filter (c) Centrifugal filter. d) gravity filter

What is the role of liquid soap in Froth floatation experiment?

Define the term unit operation?

What is the difference between dry grinding & wet grinding?

Which one is used to find the viscosity of a liquid? (a) Ball mill. (b) Jaw crusher (c) Filtration experiment. (d) Froth flotation exp

(e) None of the above

Define the term mesh

Define the term clarification?

What is the opening ratio of one screen to the next smaller screen in Tyler standseries screen?

(a) I

(b) 1.4

(c) 2.3

d) 3.5. e)None