Verified
Convert 1/4 into a decimal
.25
Piping that is field-routed to a pump must be supported..
Independently
what is used when lighting a cutting torch?
Striker
Where is specific information needed to install piping and associated items
found?
Standards and Specifications
Damage and broken tools should be
Taken Out Of Service
What is the ID of 10" schedule 80 piping?
9 9/16
the Two Steps in making up threaded joints are the hand engagement and
Wrench makeup
Which action should be taken before a HYDRO STATIC test is performed?
Remove pressure relief valves
A 4-inch lateral riser is to be fabricated for a 6-inch pipe. How many ordinate lines
will be needed to lay out this cut?
8
who is qualified to repair power tools?
Competent Technician
Material placed in the bottom of the trench under the pipe to provide support is
called?
bedding
Socket weld joints have a gap between the end of the pipe and the bottom of the
socket. What is the purpose of this gap?
Prevents weld cracking
Which of the following plastic pipes is NOT joined by a solvent welding?
A) PVC
B) HDPE
C) CPVC
D) ABS
B) HDPE
When are rupture disc installed into a pipeline?
Before start-up of the system
Chain come-alongs are PRIMARILY designed for?
Vertical lifting
Which of the following types of copper tubing has the thickest wall?
K , L , M , Acr ?
K
, What is the MINIMUM grade of chain that nay be used for rigging loads overhead?
8
At and above what normal pipe size is the O.D of the pipe the same as the normal
size of the pipe?
14"
Which type of field sketch has base lines that are 30 degrees to the horizontal
axis?
Isometric
The MINIMUM number of pre-heated holes for liquefied fuel tips is?
6
The first step to changing blades and bits on power tools is to...
Disconnect the power
What must be done to MOST socket weld valves before being welded into place?
Open the valves Completely
What is the length of pipe required to fabricate a 6" diameter schedule 40 pipe
spool with one class 150# RFWN flange on one end, and one class 300# RFWN
flange on the other end, with a face-to-face measurement of 18 1/2" (assume a
1/8 welder gap)
10 7/8
What is the standard torquing valve of the Victualic coupling bolts?
NO torquing is required
At what dimension does a pipe begin to be measured by the outside diameter?
14 inches
What is the 4th ordinate cutback measurement for a 3" diameter type 3 dummy
leg on a 6" elbow
10 3/16
What is the ratio of the distance that the ladder should be from the base of the
wall to the height where the ladder meets the wall.
1/4
Trenches MUST be designed, excavated, and shored according to
OSHA standards
angles of any triangle add up to
180º
What is the travel on a rolling offset that has a Run of 18", a roll 24" and height of
12"?
34 15/16
Which of the following is a quick opening valve?
Globe, Needle , Butterfly , Gate ?
Butterfly
Find the lowest common denominator for 1/8 and 1/2
8
A piping drawing that shows both side view and top view of a piping system is
isometric
the movement of pipe that is caused by an increase in temperature is called
Thermal expansion