When setting up FCAW equipment to provide the proper arc length, set the voltage ____

When setting up FCAW equipment to provide the proper arc length, set the voltage _____.

a. to create a 1/2 (13 mm) arc
b. to create a 1 (25 mm) arc
c. according to the manufacturer's recommendations
d. to ensure the arc does not contact the base metal

[Ques. 2] For FCAW, the polarity of the gun and workpiece leads depends on the application and the _____.

a. type of filler metal
b. welding unit
c. workpiece clamp
d. base metal

[Ques. 3] The best way to prepare the bevel for FCAW V-groove joints, especially in stainless steel pipe, is _____.

a. with a cutting torch (thermal)
b. by machining the bevel
c. with a handheld grinder
d. with a bench grinder

[Ques. 4] Even a shielding gas can create a hazard if _____.

a. it is allowed to contact and mix with oxygen
b. it is used for any welding process other than FCAW-G
c. enough is released to displace oxygen in the area
d. it is mixed with another shielding gas

[Ques. 5] Ear plugs are primarily worn by welders to protect their ears from _____.

a. sparks
b. welding noise
c. interruptions
d. inert gases

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When setting up FCAW equipment to provide the proper arc length, set the voltage _____.

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