The critical speed of a trommel (N) is related to its dia D. as _____________________?
2
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 ?
3
A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?
These are just sample questions. The actual quiz contains 10 questions.
