AND PIPEFITTERS - 2013
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 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. 24 7/8 The capacity
of a nominal 4" diameter water service main flowing at 8' per second is _____________ . Assume
standard weight pipe. 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. 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. 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. 20 feet. A 6" standard weight steel threaded pipe has ___________ threads per inch.
8 Using the reference MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, determine the number of
According t o MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, a __________ inch pipe will serve a
toilet room which has thirty-two 1/2" branch lines. 1 1/4 According to MATHEMATICS FOR PLUMBERS
AND PIPEFITTERS, a 6" standard weight steel pipe installed with a run of 12'-6" and an offset of 12'-6"
makes an angle of ___________ degrees in a vertical run. 45˚ According to MATHEMATICS FOR
PLUMBERS AND PIPEFITTERS, a septic tank holding 8,078 gallons is 12' wide by 18' long. The depth of
the tank is ____________ feet. Select the closest answer. 5 A nominal 5" hard drawn copper tube has
an inside diameter of 4.805 inches. The tube is type ___________ . K The number of bolts required for
a 4" cast iron screwed flange is __________ . 8 Compute the wall thickness for a type DWV copper
tube 2" nominal size. between 1/32 and 3/64. According to MATHEMATICS FOR PLUMBERS AND
PIPEFITTERS, a fitting that turns an angle of 22 1/2˚ is called a ______________ bend. 1/16 A horizontal
cylindrical storage tank 13' in diameter and 25' long is filled to a height of 4'. According to
MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, the volume of water in the tank is ____________
gallons. between 6,000 and 8,000 gallons Using the reference MATHEMATICS FOR PLUMBERS AND
PIPEFITTERS, estimate the quantity of lead required to pour 6 joints of 2" pipe. Select the closest
answer. 9 punds A 4" schedule 40 PVC water pipe is limited to _________ psi pressure. 160 psi
pressure. A water supply serves a building with 3 flush valve water closets, 2 flush valve urinals, and 4
lavatories. Using the reference MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, estimate the size
water service required. 1 1/2 According to MATHEMATICS FOR PLUMBERS AND PIPEFITTERS, if a
section of pipe has an offset of 48", a rise of 67 7/8" and a diagonal length of 8', the setback dimension
is ___________ . Select the closest answer. 4'-0"