11/7/2024 12:35 PM
NCCER plumbing 1 MODULE 1 Exam
Questions With Correct Answers
Latin word for lead - answer✔Plumbum
latin word for person who works with led - answer✔plumbarius
When was the first supply pipe laid - answer✔Mid 1300's in London
When and where were the first apprenticeship laws for plumbing enacted ? - answer✔1625 in
england
developed in the 1930s, What was the first plastic used in plumbing - answer✔PVC - polyvinyl
chloride
In 1993 the non-profit (USGBC) united states green building council developed what -
answer✔the Leadership in Energy & environmental design (LEED)
most states require plumbers to be licensed as - answer✔journey man , master plumber , or
plumbing contractor
Biggest health and safety issues in plumbing are caused by - answer✔contamination caused by
improper cross connection between plumbing systems
What does the backflow preventer do? - answer✔keeps waste water from entering the water
supply system
how do you prevent the spread of harmful chemicals through water supply systems -
answer✔needs to be disinfection , filtration , and softening
when did plumbing re-emerge as a profession - answer✔1625
Backflow - answer✔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 - answer✔A depression in the ground that filters pollutants from stormwater.