MATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERSMATHEMATICS FOR PLUMBERS AND PIPEFITTERS
The vertex of and angle is the _______________ of a circle. - ✔✔ANSWER✔✔-center
The _____________ is a 90 drainage fitting which has an inside construction designed to cause as little
turbulence as possible. - ✔✔ANSWER✔✔-tee wye
The vertex of and angle is the _______________ of a circle. - ✔✔ANSWER✔✔-center
The _____________ is a 90 drainage fitting which has an inside construction designed to cause as little
turbulence as possible. - ✔✔ANSWER✔✔-tee wye
When fitting pipe, a 1/8 bend is _____________ degrees. - ✔✔ANSWER✔✔-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. - ✔✔ANSWER✔✔-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 ____________. - ✔✔ANSWER✔✔-head
According to MATH FOR PLUMBERS AND PIPIFITTERS which of the following is not a method for cast iron
pipe connections. - ✔✔ANSWER✔✔-soldered joint.
,A ___________ is waste and vent piping to connect a fixture at some distance from the stack -
✔✔ANSWER✔✔-loop
According to MATH FOR PLUMBERS AND PIPEFITTERS parallel offsets always have ____________ and are
used because of a neat appearance that saves space. - ✔✔ANSWER✔✔-parallel angles 1/2 of the offset
angle.
The vertex of and angle is the _______________ of a circle. - ✔✔ANSWER✔✔-center
The _____________ is a 90 drainage fitting which has an inside construction designed to cause as little
turbulence as possible. - ✔✔ANSWER✔✔-tee wye
When fitting pipe, a 1/8 bend is _____________ degrees. - ✔✔ANSWER✔✔-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. - ✔✔ANSWER✔✔-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 ____________. - ✔✔ANSWER✔✔-head
According to MATH FOR PLUMBERS AND PIPIFITTERS which of the following is not a method for cast iron
pipe connections. - ✔✔ANSWER✔✔-soldered joint.
A ___________ is waste and vent piping to connect a fixture at some distance from the stack -
✔✔ANSWER✔✔-loop
According to MATH FOR PLUMBERS AND PIPEFITTERS parallel offsets always have ____________ and are
used because of a neat appearance that saves space. - ✔✔ANSWER✔✔-parallel angles 1/2 of the offset
angle.
A pipe with a flange on each end is called a ____________ . - ✔✔ANSWER✔✔-Spool piece.
, A _________________ is one that goes around a stack, tank, or other cylindrical object. The diagonals
are usually at 45.̊ - ✔✔ANSWER✔✔-jumper offset
A Bench Mark is a station of known elevation often established by others. _____________ establishes
bench marks with elevations above sea level. - ✔✔ANSWER✔✔-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. - ✔✔ANSWER✔✔-1/6 bend
Using the reference MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, determine the horizontal offset
distance for a pipe installed at an angle of 22-1/2˚with the horizontal and having a run of 5 feet. Select
the closest answer. - ✔✔ANSWER✔✔-24 7/8
The capacity of a nominal 4" diameter water service main flowing at 8' per second is _____________ .
Assume standard weight pipe. - ✔✔ANSWER✔✔-between 300.1 and 325.0 gpm
According to MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, how many 2" pipes will an 8" pipe
supply? Do NOT allow for friction. - ✔✔ANSWER✔✔-16
According to MATHEMATICS FOR PLUMBER AND PIPEFITTERS, a ___________ inch bit is required for
drilling a hole (in wood) for the installation of a nominal 4" standard weight pipe. - ✔✔ANSWER✔✔-4
11/16"
According to MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, the height of a roof with a span of 80'
and 1/4 pitch is _________ feet. - ✔✔ANSWER✔✔-20 feet.
A 6" standard weight steel threaded pipe has ___________ threads per inch. - ✔✔ANSWER✔✔-8
Using the reference MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, determine the number of -
✔✔ANSWER✔✔-
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