Brazing test Exam Questions and Correct Answers|
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The two most Common types of Copper tubbing are
soft copper and rigid ( hard ) .
The copper tubing used for air conditioning and refrigeration ( ACR ) is measured
using the ;
outer diameter
The types of copper tubing used for air conditioning and refrigeration are ;
type L and type K.
The small tubing cutters used to cut copper in close quarters are sometimes
called
IMP tubing cutters .
The tank used for acetylene in portable oxyacetylene kits is typically a ( n ) ;
" MC " tank ( 10 cubic feet ) .
Once copper tube has been cut with a tubing cutter , the end should be ;
deburred or reamed to clear away any metal shavings or burrs .
, Flaring is the process of expanding the end of a copper tube ;
into a funnel shape that fits a male fitting .
A flare tool with a burnishing cone will put a polished finish on the flare and will
make a perfect ;
45 ° flare for a good seal .
will slide into the joint , The process of expanding eliminating the need for a
fitting , is called ; one end of a copper tube so that a tube of the same diameter
swaging .
A system for joining copper tubing that uses a powered tool with
interchangeable jaws for different size piping and fittings is called
crimping system .
Purging nitrogen through the lines during brazing will displace any oxygen in the
tubing and prevent ; c
oxidation or scale formation .
Brazing is a procedure by which tubing is joined by ;
melting a filler metal into the joint , bonding it at high temperatures .
Air - acetylene torches that are equipped with a pressure regulator should be
adjusted no higher ;
Pass Guaranteed
The two most Common types of Copper tubbing are
soft copper and rigid ( hard ) .
The copper tubing used for air conditioning and refrigeration ( ACR ) is measured
using the ;
outer diameter
The types of copper tubing used for air conditioning and refrigeration are ;
type L and type K.
The small tubing cutters used to cut copper in close quarters are sometimes
called
IMP tubing cutters .
The tank used for acetylene in portable oxyacetylene kits is typically a ( n ) ;
" MC " tank ( 10 cubic feet ) .
Once copper tube has been cut with a tubing cutter , the end should be ;
deburred or reamed to clear away any metal shavings or burrs .
, Flaring is the process of expanding the end of a copper tube ;
into a funnel shape that fits a male fitting .
A flare tool with a burnishing cone will put a polished finish on the flare and will
make a perfect ;
45 ° flare for a good seal .
will slide into the joint , The process of expanding eliminating the need for a
fitting , is called ; one end of a copper tube so that a tube of the same diameter
swaging .
A system for joining copper tubing that uses a powered tool with
interchangeable jaws for different size piping and fittings is called
crimping system .
Purging nitrogen through the lines during brazing will displace any oxygen in the
tubing and prevent ; c
oxidation or scale formation .
Brazing is a procedure by which tubing is joined by ;
melting a filler metal into the joint , bonding it at high temperatures .
Air - acetylene torches that are equipped with a pressure regulator should be
adjusted no higher ;
