WATER DISTRIBUTION PRACTICE TEST D1 D2 EXAMINATION TEST COMPLETE QUESTIONS AND ANSWERS FULL SOLUTION

WATER DISTRIBUTION PRACTICE TEST D1
D2 EXAMINATION TEST COMPLETE
QUESTIONS AND ANSWERS FULL
SOLUTION

●● Excessive amounts of iron & manganese in drinking water are
objectionable because they
Answer: Stain Clothes


●● Check valve important feature(s) must
Answer: Must close watertight


●● Routine service calls frequently to a well pump facility depends on
Answer: Manpower availability


●● An operator should never enter a room containing a high chlorine gas
concentration without
Answer: (All are correct)
-Help standing by
-Notifying supervisor
-Notifying proper authorities
-A self contained air supply

, ●● Water quality criteria important for a good municipal water supply
Answer: Attractive taste


●● During water supply reservoir inspection, a water quality that should
be notes is
Answer: Odor


●● The pH scale goes from
Answer: 0-14


●● What is the purpose(s) of flushing water distribution line?
Answer: Clean out lines


●● Task(s) conducted during a routine valve inspection are
Answer: Determine valve location accuracy on system map


●● Distribution systems are expected to deliver
Answer: (All are correct)
-Adequate pressure
-Water of sustainable quality
-Potable water