PIPEFITTER NCCER V4 STUDY GUIDE
QUESTIONS AND CORRECT ANSWERS
OSHA approved anchorage point - ans- xc xc xc xc xc
when working from a suspended scaffold, wear a safety belt that is securely tied to the
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
3 1/2 - ans-
xc xc xc
a toe board must be what minimum height to comply with OSHA safety standards for sca
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ffolding?
30 PSI - ans-What maximum Air pressure may be used for cleaning?
xc xc xc xc xc xc xc xc xc xc xc
18.21 in. - ans- xc xc xc
A tank has a diameter of 58ft, the circumference of the tank is 182.23ft, one degree of di
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ameter equals 6.07 in. xc xc xc
Three degrees of diameter will equal? xc xc xc xc xc
6'-8 5/8" - ans- xc xc xc
A piece of 2" pipe is being cut to run between two 90 Degree threaded fittings, the center
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
to center measurement of the fittings is 7'-2 1/2"
xc xc xc xc xc xc xc xc
What is the cut length of the pipe?xc xc xc xc xc xc xc
7.3750 in. - ans-Convert 7 3/8" to decimal equivalent
xc xc xc xc xc xc xc xc
255 Sq.Ft - ans-what is the area of a rectangle that is 25'-6" long and 10'-0" wide?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
( A= W x L )
xc xc xc xc xc xc
40 Sq.FT - ans-xc xc xc
what is the sq. footage of the surface area of a steel plate measuring 120 in. long by 48 i
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
n. wide? xc
119'-3 1/2" - ans- xc xc xc
A 14" SCH carbon steel pipe is being installed in a pipe rack. The center line elevation of
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
the pipe will be 120' -3 1/2". what will the bottom of pipe elevation be?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
4.67 ft - ans-The decimal of 56in. is
xc xc xc xc xc xc xc
, 401.1 - ans-A tank holding 3,000 Gal. of water contains of many cu.ft. of water?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
( one Gal. equals 0.1337 cu. ft)
xc xc xc xc xc xc xc
.25 - ans-How much is 3" in hundredths of a foot?
xc xc xc xc xc xc xc xc xc xc
Use two rigging sling that are double wrapped and chocked one chocker is placed about
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
5ft from each end of the bundle - ans-
xc xc xc xc xc xc xc xc
which of the following methods could be used to rig a 20 foot long bundle of six rebar rod
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
s that will be pick up by a small crane?
xc xc xc xc xc xc xc xc xc
three feet - ans- xc xc xc
ladders use with scaffolding must extend above the landing from a minimum distance of
xc xc xc xc xc xc xc xc xc xc xc xc xc
Machine Bolt - ans- xc xc xc
What can be used for a shackle pin as long as the thread patterns match?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
vertical lifting - ans-Chain hoist are primarily designed for
xc xc xc xc xc xc xc xc
use a double wrap on the chocker to prevent the chocker from sliding on the pipe - ans-
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
A pipe will be lift with wire rope slings. Which of the following techniques should be used
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
?
1 1/16in - ans-What is the layout length of a 1 in. 3,000 pound threaded tee?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
vertical - ans-A three legged pipe jack can be adjusted
xc xc xc xc xc xc xc xc xc
tapers 1/16 in. per in. - ans-the NPT pipe thread
xc xc xc xc xc xc xc xc xc
three to four turns - ans- xc xc xc xc xc
A pipe has been threaded with a rigid 535 machine and now the threads are to be check
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ed with a fitting. How many turns are normally sufficient to check the threads?
xc xc xc xc xc xc xc xc xc xc xc xc xc
cut and thread pipe a maximum of 2" in diameter - ans-a pipe machine is used to
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
4'- 7 7/15" - ans-
xc xc xc xc
A new 1 1/2" threaded line being run needs to change elevations from the centerline elev
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ation of 101.3' at column L -6 to the new centerline elevation of 96.4' at column L-
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
5. Use 90 Degrees, 3,000 LBs. Threaded fittings, and calculate the thread engagement
xc xc xc xc xc xc xc xc xc xc xc xc xc
with the pipefitters handbook. what cut length of 1 1/2" pipe is needed?
xc xc xc xc xc xc xc xc xc xc xc xc
nipples - ans- xc xc
Short lengths of pipe, threaded on both ends and used to make connections between fitti
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ngs , are called xc xc xc
every day - ans-an excavation must be inspected a minimum of
xc xc xc xc xc xc xc xc xc xc
QUESTIONS AND CORRECT ANSWERS
OSHA approved anchorage point - ans- xc xc xc xc xc
when working from a suspended scaffold, wear a safety belt that is securely tied to the
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
3 1/2 - ans-
xc xc xc
a toe board must be what minimum height to comply with OSHA safety standards for sca
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ffolding?
30 PSI - ans-What maximum Air pressure may be used for cleaning?
xc xc xc xc xc xc xc xc xc xc xc
18.21 in. - ans- xc xc xc
A tank has a diameter of 58ft, the circumference of the tank is 182.23ft, one degree of di
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ameter equals 6.07 in. xc xc xc
Three degrees of diameter will equal? xc xc xc xc xc
6'-8 5/8" - ans- xc xc xc
A piece of 2" pipe is being cut to run between two 90 Degree threaded fittings, the center
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
to center measurement of the fittings is 7'-2 1/2"
xc xc xc xc xc xc xc xc
What is the cut length of the pipe?xc xc xc xc xc xc xc
7.3750 in. - ans-Convert 7 3/8" to decimal equivalent
xc xc xc xc xc xc xc xc
255 Sq.Ft - ans-what is the area of a rectangle that is 25'-6" long and 10'-0" wide?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
( A= W x L )
xc xc xc xc xc xc
40 Sq.FT - ans-xc xc xc
what is the sq. footage of the surface area of a steel plate measuring 120 in. long by 48 i
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
n. wide? xc
119'-3 1/2" - ans- xc xc xc
A 14" SCH carbon steel pipe is being installed in a pipe rack. The center line elevation of
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
the pipe will be 120' -3 1/2". what will the bottom of pipe elevation be?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
4.67 ft - ans-The decimal of 56in. is
xc xc xc xc xc xc xc
, 401.1 - ans-A tank holding 3,000 Gal. of water contains of many cu.ft. of water?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
( one Gal. equals 0.1337 cu. ft)
xc xc xc xc xc xc xc
.25 - ans-How much is 3" in hundredths of a foot?
xc xc xc xc xc xc xc xc xc xc
Use two rigging sling that are double wrapped and chocked one chocker is placed about
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
5ft from each end of the bundle - ans-
xc xc xc xc xc xc xc xc
which of the following methods could be used to rig a 20 foot long bundle of six rebar rod
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
s that will be pick up by a small crane?
xc xc xc xc xc xc xc xc xc
three feet - ans- xc xc xc
ladders use with scaffolding must extend above the landing from a minimum distance of
xc xc xc xc xc xc xc xc xc xc xc xc xc
Machine Bolt - ans- xc xc xc
What can be used for a shackle pin as long as the thread patterns match?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
vertical lifting - ans-Chain hoist are primarily designed for
xc xc xc xc xc xc xc xc
use a double wrap on the chocker to prevent the chocker from sliding on the pipe - ans-
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
A pipe will be lift with wire rope slings. Which of the following techniques should be used
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
?
1 1/16in - ans-What is the layout length of a 1 in. 3,000 pound threaded tee?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
vertical - ans-A three legged pipe jack can be adjusted
xc xc xc xc xc xc xc xc xc
tapers 1/16 in. per in. - ans-the NPT pipe thread
xc xc xc xc xc xc xc xc xc
three to four turns - ans- xc xc xc xc xc
A pipe has been threaded with a rigid 535 machine and now the threads are to be check
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ed with a fitting. How many turns are normally sufficient to check the threads?
xc xc xc xc xc xc xc xc xc xc xc xc xc
cut and thread pipe a maximum of 2" in diameter - ans-a pipe machine is used to
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
4'- 7 7/15" - ans-
xc xc xc xc
A new 1 1/2" threaded line being run needs to change elevations from the centerline elev
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ation of 101.3' at column L -6 to the new centerline elevation of 96.4' at column L-
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc
5. Use 90 Degrees, 3,000 LBs. Threaded fittings, and calculate the thread engagement
xc xc xc xc xc xc xc xc xc xc xc xc xc
with the pipefitters handbook. what cut length of 1 1/2" pipe is needed?
xc xc xc xc xc xc xc xc xc xc xc xc
nipples - ans- xc xc
Short lengths of pipe, threaded on both ends and used to make connections between fitti
xc xc xc xc xc xc xc xc xc xc xc xc xc xc
ngs , are called xc xc xc
every day - ans-an excavation must be inspected a minimum of
xc xc xc xc xc xc xc xc xc xc
