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NCCER plumbing 1 MODULE 1.
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NCCER plumbing 1 MODULE 1.
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NCCER plumbing 1 MODULE 1latin word for lead - ANS-Plumbum
latin word for person who works with led - ANS-plumbarius
When was the first supply pipe laid - ANS-Mid 1300's in London
When and where were the first apprenticeship laws for plumbing enacted ? - ANS-1625
in england
developed in the 1930s, What was the first plastic used in plumbing - ANS-PVC -
polyvinyl chloride
In 1993 the non-profit (USGBC) united states green building council developed what -
ANS-the Leadership in Energy & environmental design (LEED)
most states require plumbers to be licensed as - ANS-journey man , master plumber , or
plumbing contractor
Biggest health and safety issues in plumbing are caused by - ANS-contamination
caused by improper cross connection between plumbing systems
What does the backflow preventer do? - ANS-keeps waste water from entering the
water supply system
how do you prevent the spread of harmful chemicals through water supply systems -
ANS-needs to be disinfection , filtration , and softening
when did plumbing re-emerge as a profession - ANS-1625
Backflow - ANS-a term in plumbing for an unwanted flow of water in the reverse
direction. It can be a serious health risk for the contamination of potable water supplies
with foul water.
Bioswale - ANS-A depression in the ground that filters pollutants from stormwater.
whats a heavy gas thats used as a disinfectant in water treatment - ANS-chlorine
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