Exam Study Guide - June 2019

WASTEWATER

By Rick Lallish

What type of pump should never be operated or started against a closed valve?

A. Centrifugal pump

B. Peripheral pump

C. Positive displacement pump

D. Screw lift pump

Answer: C. Basic operation and knowledge of pumps and pumping...

Please login or register to view TPO articles. It's free, fast and easy!


Discussion

Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. Comments are moderated before being posted.