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Water Distribution Level C (part 2) Questions Graded A+
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Water Distribution Level C (part 2)
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Water Distribution Level C (part 2)Only one quarter of public water systems rely on surface water as their water source;
however, these systems serve this much of the population? - answer Three quarters.
Amount of storage and size of distribution mains is usually determined by what? -
answer Fire-flow demand.
Minimum pressure in a distribution system should not fall below? - answer20psi
The pH scale extends from...? - answer0-14
What is the volume of 1000ft of 12in pipe? - answer785cubic ft
What is the weight of a cubic foot of water? - answer62.4lbs
How much chlorine is needed for a 50ppm solution in a 12in pipeline 1000ft long?
(chlorine is 70% available) - answer3.51lbs
If the water temp is 14* centigrade, what would it be farenheit? - answer57*
What is the area of a rectangle that is 4ft x 12ft? - answer48sq ft
What act of 1970 established minimum health safety standards? - answerThe
Occupational safety and health act.
Sheeting and shoring must be used in any excavation that is...? - answer5ft or more in
depth.
A class A fire extinguisher would be used on...? - answerPaper, wood or clothing
The responsibility for maintenance of safe working conditions belongs to...? -
answerEveryone.
All material excavated from a trench must be placed at least this many feet from the
trench? - answer2ft
A personal injury should be reported when? - answerImmediately.
Is Chlorine gas is heavier than air, also what color is it? - answerIt is heavier than air,
and it is a greenish yellow color.
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