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WATER DISTRIBUTION LEVEL 3 EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+ 2025 – 2026

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Course WATER DISTRIBUTION LEVEL 3
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WATER DISTRIBUTION LEVEL 3 EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+ 2025 – 2026

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WATER DISTRIBUTION LEVEL 3 EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026




Pressure vacuum breaker and atmospheric vacuum breaker
- ANSWERS-Irrigation backflows


Leak detection - ANSWERS-Done at night


Backsiphonage - ANSWERS-Caused by a negative or below
atmospheric pressure within a water System


Packing glands - ANSWERS-Should never b tightened to the
point of no leakage, as this could cause excessive wear


Wet tap connection - ANSWERS-45 degrees from top of pipe

, Pipe flushing should b done at - ANSWERS-Low periods of
demand


Min flushing velocity - ANSWERS-2.5ft/sec


Preferred flushing velocity - ANSWERS-5ft/sec


Ensure pressure does not drop below - ANSWERS-20psi


Basic requirements of pipes - ANSWERS-Adequate strength,
durability,maximum corrosion, resistance and no adverse
effect on water quality


Four classes of working pressure are commonly
encountered - ANSWERS-100,150,200,250 psi


Push on and mechanical joints are most often used for -
ANSWERS-Ductile iron pipe. Flanges, restrained, flexible,
and sleeve joints are also used


Flange joints - ANSWERS-Not flexible

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