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MATHEMATICS FOR PLUMBERS AND PIPEFITTERS Questions and Correct Answers
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Exam of 6 pages for the course MATHEMATICS FOR PLUMBERS at MATHEMATICS FOR PLUMBERS
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MATHEMATICS FOR PLUMBERS ANDPIPEFITTERS Questions and Correct Answers
The vertex of and angle is the _______________ of a circle.
✓ ~~~ center
The _____________ is a 90 drainage fitting which has an inside construction
designed to cause as little turbulence as possible.
✓ ~~~ tee wye
When fitting pipe, a 1/8 bend is _____________ degrees.
✓ ~~~ 45 degrees.
Volumes are often computed in cubic inches tor small quantities. The U.S. Bureau of
Standards has set _______________ cubic inches as a U.S. Gallon.
✓ ~~~ 231 cubic inches
According to MATH FOR PLUMBERS AND PIPEFITTERS in plumbing practice,
water pressure is measured by a gauge or by the height, or ____________.
✓ ~~~ head
According to MATH FOR PLUMBERS AND PIPIFITTERS which of the following is
not a method for cast iron pipe connections.
✓ ~~~ soldered joint.
, A ___________ is waste and vent piping to connect a fixture at some distance from
the stack
✓ ~~~ loop
According to MATH FOR PLUMBERS AND PIPEFITTERS parallel offsets always
have ____________ and are used because of a neat appearance that saves space.
✓ ~~~ parallel angles 1/2 of the offset angle.
A pipe with a flange on each end is called a ____________ .
✓ ~~~ Spool piece.
A _________________ is one that goes around a stack, tank, or other cylindrical
object. The diagonals are usually at 45˚.
✓ ~~~ jumper offset
A Bench Mark is a station of known elevation often established by others.
_____________ establishes bench marks with elevations above sea level.
✓ ~~~ The U.S. Coast & Geodetic Survey
A cast iron pipe has a fitting which makes an angle of 60˚ with the horizontal. The
fitting is a ______________ bend.
✓ ~~~ 1/6 bend
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