WATER DISTRIBUTION EXAM 2 ACTUAL EXAM WITH ANSWERS ALREADY RATED A+

WATER DISTRIBUTION EXAM 2 ACTUAL EXAM
WITH ANSWERS ALREADY RATED A+


When must a confined space permit be renewed? -
answer-each time someone leaves and re-enters
the confined space


What does nearly every area of a managers
responsibilities require? - answer-Some type of
planning


What do water distribution system operators have
the responsibility for? - answer-The health and
well-being of the community they serve


Frequently the water supplier tries to maintain
specific minimum target __________________
throughput the distribution system. - answer-
Water pressure (20 PSI minimum)

, All trenches and excavations are unsafe until... -
answer-Proper shoring, used, and back filled


Can the quality of water coming out of the
consumers tap can be affected by what happens to
the water as it travels through the consumers own
system? - answer-Yes


Biofilms will grow more easily on materials that
supply... - answer-Nutrients


Operators should be required to follow a prepared
_________ schedule and document the work they do
- answer-PM (preventative maintenance)


A lack of chlorine residual in a distribution system
could indicate? - answer-The presence of heavy
contamination