CWB Electrodes and Consumables Test Questions with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
verified detailed solutions ||\\//|| ||\\//||
According to the AWS, the nominal composition of a brown colour-coded tungsten ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
electrode is: - correct answer✔✔tungsten and 0.25% zirconium oxide (pure tungsten is ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
green)
Alloyed tungsten electrodes have some advantages over pure tungsten electrodes. The ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
following is not one of those advantages: - correct answer✔✔lower electrode cost ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Spray, globular and short-circuiting are terms used in GMAW welding to describe - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔mode of metal transfer through the arc ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The usable position for GMAW wires is not specified in the classification because it depends
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
on: - correct answer✔✔a. the shielding gas
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
b. the wire diameter
||\\//|| ||\\//|| ||\\//||
c. the mode of metal transfer
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
CSA standard W59 requires that the electrode holding ovens for low-hydrogen electrodes be
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
kept at a minimum temperature of: - correct answer✔✔120°C
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When improved mechanical properties (toughness) of the weld metal deposit are required,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
the flux should be formulated to transfer the smallest possible quantity of: - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Oxygen
When manufacturing fused fluxes, the temperature at which the ingredients are melted
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
together is: - correct answer✔✔1,500°C to 1,700°C ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
verified detailed solutions ||\\//|| ||\\//||
According to the AWS, the nominal composition of a brown colour-coded tungsten ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
electrode is: - correct answer✔✔tungsten and 0.25% zirconium oxide (pure tungsten is ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
green)
Alloyed tungsten electrodes have some advantages over pure tungsten electrodes. The ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
following is not one of those advantages: - correct answer✔✔lower electrode cost ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Spray, globular and short-circuiting are terms used in GMAW welding to describe - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔mode of metal transfer through the arc ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The usable position for GMAW wires is not specified in the classification because it depends
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
on: - correct answer✔✔a. the shielding gas
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
b. the wire diameter
||\\//|| ||\\//|| ||\\//||
c. the mode of metal transfer
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
CSA standard W59 requires that the electrode holding ovens for low-hydrogen electrodes be
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
kept at a minimum temperature of: - correct answer✔✔120°C
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When improved mechanical properties (toughness) of the weld metal deposit are required,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
the flux should be formulated to transfer the smallest possible quantity of: - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Oxygen
When manufacturing fused fluxes, the temperature at which the ingredients are melted
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
together is: - correct answer✔✔1,500°C to 1,700°C ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
