Water Distribution 1 2024/2025 Exam
Questions and Answers 100%
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Head is measured in - 🧠ANSWER ✔✔feet
A plat is - 🧠ANSWER ✔✔A map
Which type of valve will prevent the collapse of a pipe - 🧠ANSWER ✔✔Air-
and-vaccume relief valve
The highest degree of protection of a coated steel pipe is - 🧠ANSWER
✔✔cathodic protection
At which time of day is the age of the water stored in the distribution system
the highest? - 🧠ANSWER ✔✔In the morning
One of chlorines advantages is that it - 🧠ANSWER ✔✔has a persistent
residual
Chlorine gas is _____ times heavier than air. - 🧠ANSWER ✔✔2.5
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, After a water storage tank has been chlorinated, which bacteriological test
must prove negative before the tank is put back into service. - 🧠ANSWER
✔✔Coliform test
Which is the best and most reliable way of finding a very small chlorine
leak? - 🧠ANSWER ✔✔Use a chlorine gas detector and place it near any
area suspected of leaking.
The minimum required free chlorine residual anywhere in the distribution
system is - 🧠ANSWER ✔✔a detectable level
First draw samples for the analysis of lead and copper water must be
collected from taps where the water has stood motionless in the plumbing
for at least - 🧠ANSWER ✔✔6 hours
Samples collected for cloakrooms are collected in plastic bottles that must
contain - 🧠ANSWER ✔✔Sodium thiosulfate
The volume of a sample for coliform compliance is - 🧠ANSWER ✔✔100 ml
If a water sample is not analyzed immediately for chlorine residual, it is
acceptable to be analyzed within - 🧠ANSWER ✔✔15 minutes
The heart of a pump is called the - 🧠ANSWER ✔✔impeller
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
Questions and Answers 100%
Guaranteed Success | Already Rated A+
Head is measured in - 🧠ANSWER ✔✔feet
A plat is - 🧠ANSWER ✔✔A map
Which type of valve will prevent the collapse of a pipe - 🧠ANSWER ✔✔Air-
and-vaccume relief valve
The highest degree of protection of a coated steel pipe is - 🧠ANSWER
✔✔cathodic protection
At which time of day is the age of the water stored in the distribution system
the highest? - 🧠ANSWER ✔✔In the morning
One of chlorines advantages is that it - 🧠ANSWER ✔✔has a persistent
residual
Chlorine gas is _____ times heavier than air. - 🧠ANSWER ✔✔2.5
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, After a water storage tank has been chlorinated, which bacteriological test
must prove negative before the tank is put back into service. - 🧠ANSWER
✔✔Coliform test
Which is the best and most reliable way of finding a very small chlorine
leak? - 🧠ANSWER ✔✔Use a chlorine gas detector and place it near any
area suspected of leaking.
The minimum required free chlorine residual anywhere in the distribution
system is - 🧠ANSWER ✔✔a detectable level
First draw samples for the analysis of lead and copper water must be
collected from taps where the water has stood motionless in the plumbing
for at least - 🧠ANSWER ✔✔6 hours
Samples collected for cloakrooms are collected in plastic bottles that must
contain - 🧠ANSWER ✔✔Sodium thiosulfate
The volume of a sample for coliform compliance is - 🧠ANSWER ✔✔100 ml
If a water sample is not analyzed immediately for chlorine residual, it is
acceptable to be analyzed within - 🧠ANSWER ✔✔15 minutes
The heart of a pump is called the - 🧠ANSWER ✔✔impeller
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
