CWB Electrodes and Consumables (Practice Test Questions) & Answers 100% Correct
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Course
CWB
Institution
CWB
Spray, globular and short-circuiting are terms used in GMAW welding to describe - ANSWER-mode of metal transfer through the arc
The usable position for GMAW wires is not specified in the classification because it depends on: - ANSWER-a. the shielding gas
b. the wire diameter
c. the mode of met...
CWB Electrodes and Consumables
(Practice Test Questions) & Answers
100% Correct
According to the AWS, the nominal composition of a brown colour-coded tungsten
electrode is: - 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: - ANSWER-lower electrode cost
Spray, globular and short-circuiting are terms used in GMAW welding to describe -
ANSWER-mode of metal transfer through the arc
The usable position for GMAW wires is not specified in the classification because it
depends on: - 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: - 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: -
ANSWER-Oxygen
When manufacturing fused fluxes, the temperature at which the ingredients are melted
together is: - ANSWER-1,500°C to 1,700°C
An electrode that is to be used with DC electrode positive current only is: - ANSWER-
E4910
The result of increased nitrogen content in the final weld deposit will be: - ANSWER-
Porosity
Generally, as the percentage of carbon dioxide in an argon gas mixture decreases, the
final weld deposit will have: - ANSWER-increased strength properties due to a higher
manganese and silicon content
Electrode holding ovens are recommended for: - ANSWER-low-hydrogen electrodes
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