BRAZING TEST Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: cause______________________. This is called "capping" a joint
Answer:
the filler to flow to the
outside of the joint rather than into it
Q: Feed alloy at _____ o'clock, not _____ o'clock
Answer:
9, not 12
Q: Sparking, spitting, spattering, sputtering means...
Answer:
more prevalent when using oxy-acetylene,
torch tip too small or using oxidizing flame.
Q: B Cup 1 + 2 Filler is made of ...
Answer:
phosphorus and copper
, BRAZING TEST Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: B Cup 3-7 has...
Answer:
silver added, gives filler metal more ductility
Q: B Cup-5 is made of... Flow, solidus, liquidus temps?
Answer:
commonly used filter alloy and is made of 15% silver, 5% Phosphorus, 80% copper.
Flow temp is 1300, solidus 1190, liquidus 1500
Q: B Ag-5 is made of... used on which metals?
Answer:
significance of metals for which purpose? 45% silver, 25% zinc, 30% copper copper
to steel and re-brazing existing joints 45% allows for proper filler flow on preexisting
brazed materials (which could be a variety)
, BRAZING TEST Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: High Pressure Side, copper to copper, no flux req. what alloy and which parts?
Answer:
15% liq. line dryer, slight glass indicator, TXV, copper fittings
Q: High Pressure side, copper to brass, flux req. which alloy and which parts for
high and low side?
Answer:
15% and appropriate flux high: in line check valve, solenoid valves, pressure control
regulators, hand valve, receiver service valve, compressor low: evaporator pressure
control regulator
Q: high pressure, copper to steel, flux req. which allow and which parts?
Answer:
45% and appropriate flux high: compressor, discharge muffler, pressure control
regulators, receiver service valve
Latest 2026 Update
Q: cause______________________. This is called "capping" a joint
Answer:
the filler to flow to the
outside of the joint rather than into it
Q: Feed alloy at _____ o'clock, not _____ o'clock
Answer:
9, not 12
Q: Sparking, spitting, spattering, sputtering means...
Answer:
more prevalent when using oxy-acetylene,
torch tip too small or using oxidizing flame.
Q: B Cup 1 + 2 Filler is made of ...
Answer:
phosphorus and copper
, BRAZING TEST Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: B Cup 3-7 has...
Answer:
silver added, gives filler metal more ductility
Q: B Cup-5 is made of... Flow, solidus, liquidus temps?
Answer:
commonly used filter alloy and is made of 15% silver, 5% Phosphorus, 80% copper.
Flow temp is 1300, solidus 1190, liquidus 1500
Q: B Ag-5 is made of... used on which metals?
Answer:
significance of metals for which purpose? 45% silver, 25% zinc, 30% copper copper
to steel and re-brazing existing joints 45% allows for proper filler flow on preexisting
brazed materials (which could be a variety)
, BRAZING TEST Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: High Pressure Side, copper to copper, no flux req. what alloy and which parts?
Answer:
15% liq. line dryer, slight glass indicator, TXV, copper fittings
Q: High Pressure side, copper to brass, flux req. which alloy and which parts for
high and low side?
Answer:
15% and appropriate flux high: in line check valve, solenoid valves, pressure control
regulators, hand valve, receiver service valve, compressor low: evaporator pressure
control regulator
Q: high pressure, copper to steel, flux req. which allow and which parts?
Answer:
45% and appropriate flux high: compressor, discharge muffler, pressure control
regulators, receiver service valve
