WATER DISTRIBUTION “C” COURSE EXAM QUESTIONS AND CORRECT ANSWERS | GRADED A+ | VERIFIED ANSWERS | BRAND NEW VERSION!

WATER DISTRIBUTION “C” COURSE EXAM QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | BRAND NEW VERSION!
The minimum residual water pressure required by the Rules and
Regulations for Public Water Systems (30 TAC Chapter 290 subchapter
D) is _____.
a. 40 psi at all times
b. 20 psi under peak demand conditions
c. 200 gallons per day
35 psi under peak demand conditions Correct Answers b. 20 psi under
peak demand conditions


Dead end mains should be flushed every _____.
a. day
b. week
c. month
d. 4th of July Correct Answers c. month


Water hardness is caused by _____.
a. suspended solids
b. improper treatment
c. too much chlorine
d. calcium and magnesium salts Correct Answers d. calcium and
magnesium salts

, Transpiration is _____.
a. the release of water vapor into the air by plants
b. breathing
c. dying
d. moving water from one place to another Correct Answers a. the
release of water vapor into the air by plants


The presence of nitrates in water can cause _____.
a. typhoid
b. cancer
c. blue babies
d. none listed Correct Answers c. blue babies


The federal agency that provides standards for the maximum allowable
concentration of inorganic chemicals in potable water is _____.
a. the Texas Department of Health
b. the Environmental Protection Agency
c. the Texas Commission on Environmental Quality
d. the Texas Department of Water Resources Correct Answers b. the
Environmental Protection Agency


The term "head" as applied to water pressure means _____.
a. foam on top of the water in a tank
b. the distance water must travel