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Grade 9 Grade 11 College Continuing Education

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Continuing Education Plumbing Questions

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Continuing Education Plumbing
All gate valves must be welded into place.
  1. True
  2. False
Continuing Education Plumbing
Globe valves used for steam applications must be
  1. welded.
  2. threaded.
  3. above ground.
  4. under ground.
Continuing Education Plumbing
DWV systems rely on what to move water and sewage?
  1. Pumps
  2. Gravity
  3. Low pressure
  4. High pressure
Continuing Education Plumbing
If a spool can't be lined up to insert all bolts due to the flange being out of square. What is the procedure to fix it?
  1. Insert as many bolts as possible and tighten in order to secure.
  2. Use a pry bar to force the holes to align and insert the bolts.
  3. Cut the flange off the pipe, then square the flange and reweld to the pipe.
  4. Contact the engineer to check dimensions.
Continuing Education Plumbing
The taper rate for all NPT threads is
  1. 1/8 inch per foot or 10 millimeters per meter.
  2. ¼ inch per foot or 21.5 millimeters per meter.
  3. ½ inch per foot or 44.5 millimeters per meter.
  4. ¾ inch per foot or 62.5 millimeters per meter.
Continuing Education Plumbing
The two port plug valve is among the family of
  1. ball valves.
  2. multiport valves.
  3. long stem valves.
  4. quarter turn valves.
Continuing Education Plumbing
Non-annealed copper tubing can easily be bent.
  1. True
  2. False
Continuing Education Plumbing
There are three basic types of copper pipe.
  1. True
  2. False
Continuing Education Plumbing
Ball valves can be manufactured as large as 60 inches.
  1. True
  2. False
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