ARC Setup and Safety

Shielded metal arc welding is more commonly known as which of the following?

• Stick welding

• Tig welding

• Wire welding

• Flux welding

Constant voltage is NOT used for which of the following welding processes?

• Gas metal arc welding

• Flux core arc welding

• Gas tungsten arc welding

• Submerged arc welding

What is the energy used to strike an arc called?

• Amperage

• Current

• Ohms

• Voltage

In alternating current, how often does the current alternate between negative and positive?

• 120 times per second

• 60 times per second

• 90 times per second

• 180 times per second

In DC electrode positive, how much power is at the work clamp?

• 2/3 power

• 1/3 power

• 1/2 power

• 1/4 power

How is the electrode holder rated?

• Voltage capacity

• Amperage capacity

• Electrode size

• Cable size

What is the function of the work clamp during shielded metal arc welding?

• Hold base metal in place

• Hold electrodes in place

• Complete electrical circuit

• Absorb heat from the weld

What is the main cause for electrical shock in the shielded metal arc welding process?

• Worn cables

• Wet base metal

• Bad plugs

• Overheating

For DC electrode positive, which piece of equipment is negatively charged?

• Electrode holder

• All equipment

• Work lead cable

• Electrode

For an AC machine, what percentage of power is at the negative terminal?

• 50 percent

• 66 percent

• 33 percent

• 70 percent