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PIPEFITTER EXAM
EXAM WITH CORRECT SOLUTIONS.
what is the take out of a 10" short radius weld 90 elbow - correct answer- 10"
acetylene bottles have fusible link that melts at what temp - correct answer- 220 degrees or 212 best answer
what is the pressure inside of oxygen cylinder - correct answer- 2000lbs/2500lbs
where the tags for ox bottles are located - correct answer- the shoulder of the bottle
which direction does a hacksaw blade cut - correct answer- forward
what tubing bend is used in installation of pipe - correct answer- hickey 1 / 4
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when handling a newly threaded piece of pipe you must be careful because its - correct answer- sharp
what is the purpose of the foot pedal on a pipe threading machine - correct answer- safety
when welding socket weld fittings what is the process - correct answer- shoulder all the way then remove 1/16 from shoulder and tack weld
which code governs the installation of process piping - correct answer- B31.3
which valve is not appropriate as a boiler steam outlet valve on high pressure boilers - correct answer- ball valve
who is responsible to qualify a welder - correct answer- employer
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what temperature does an oxy cutting torch run at - correct answer- 5438 or 6630
which stamp is required for the assembly of high pressure boilers - correct answer- "A" stamp
high pressure pipe welding and welder must be qualified to section ______ of the ASME code - correct answer- 9
what welding position is commonly used for welding test that will qualify you for all positions - correct answer- 6G
what is the hardest welding position to use - correct answer- 6
a stop valve and check valve are installed in the - correct answer- feed water line
when piping up a low water cut off device to a boiler, the device must be piped to what height in relation to the level of the gauge glass - correct answer- no lower than the visible part of the gauge glass 3 / 4
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what is the minimum size of the drain pipe and the blow valve required on a low water cut off that has a seperate float chamber - correct answer- 3/4'
the valve that offers the least resistance to flow us the ____ valve - correct answer- gate
what type of fitting must be placed in the water piping connection at every angfle to facilitate cleaning and inspection of a water column or low water cut off - correct answer- cross tee fitting
which way should the pressure excerpt on the globe valve seats - correct answer- below
when should you change the packing on a valve with pressure behind it - correct answer- never
what does the packing nut prevent from leaking - correct answer- the valve stem
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