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WorksheetsUse of Tools: ACR Preparation, Flaring & Swaging
Total questions: 14
Worksheet time: 9mins
The tool used to hold the ACR tubing when making a swage or flare is a
die block.
locking pliers.
clamp with a guide.
wrench.
The most common and accurate tool used to cut copper tubing is a
pipe cutter.
hacksaw.
tube cutter.
pliers.
Flattening the ACR tubing when cutting is caused by
dull blades.
an incorrectly sized cutter.
using a hacksaw.
excessive blade pressure.
An overly wide flare is caused when the tubing is
placed too low in the chamber.
extended too high above the chamber.
extended too high above the chamfer.
placed too low in the chamfer.
When tightened, the purpose of the block's wing nuts are to
clamp the tubing in place.
ensure that oil goes on the yoke's spinner.
connect the tubing to the system.
secure the yoke snugly onto the block.
______ making a flare, flare nuts should be placed on the ACR tubing.
After
Before
While
Creatively
Another method of swaging tubing can be accomplished by using the _______-type swaging tool.
compression
stretched
soldered
screw
When swaging using the punch, the technician should strike several easy blows, so as to
appear more professional.
allow the copper time to swell.
stop the tubing from being too rough.
get the tube back to its original internal diameter.
After successfully creating a swage, the most logical jointing method is via
flare nuts.
silicon.
wrought fittings.
brazing.
Over-tightening the yoke while forming a flare creates a _________________ area where the cone & chamfer meet.
thin
thick
rough
smooth
When manipulating the cutter, the part which needs to be turned an 1/8 to 1/4 of a turn is the
reaming blade.
cutting wheel.
adjusting knob.
roller bearing.
Technicians are taught to hold the ACR tube at an angle to ensure that
the tubing's original thickness is restored.
copper chips fall to the floor.
the tubing rests flush on the file's blade.
thin and uneven edges are non-existent.
When reaming, an accepted substitute tool for the reamer is a
scriber.
measuring tape.
clamp guide.
file tang.
Swaging punches are available in O.D. diameters ranging between
1/8" to 3/4".
3/16" to 7/8".
1/8" to 7/8".
3/16" to 3/4"
