NCCER SMAW Equipment & Setup

A tag line is a type of nylon strap used to…

• prevent workers from falling
• keep suspended loads from spinning
• tie down a load in a truck
• lift a heavy load with a crane

The component in an electrical supply circuit for a weldng machine that keeps the wiring from overheating is the…

• switch
• rectifier
• circuit breaker
• ground screw

The SMAW welding process uses a constant _____ power source.

• current
• voltage
• wattage
• fluctuating

An engine driven welding machine uses a generator to produce ____ voltage.

• DC
• AC
• BC
• constant

Heavy duty insustrial type welders in a manufacturing plant will most likely runn off of ____ input power.

• 120 VAC
• 208 VAC
• 240 VAC
• 480 VAC

When selecting a welding machine for a home or farm shop, the best option would be a machine that uses this type of input power.

• 120 or 208 VAC
• 120 or 240 VAC
• 208 or 240 VAC
• 240 or 480 VAC

Longer welding leads require…

• larger diameter wire
• smaller diameter wire
• higher amperage
• a larger breaker

The proper name for the clamp that connects to the base metal when welding is the…

• C-clamp
• G-clamp
• Work lead clamp
• negative clamp

A step-down _______ type of welding machine converts higher voltage to lower voltage while increasing amperage.

• inverter
• rectifier
• generator
• transformer

Which of the following tools is not very useful for cleaning the slag from the surface of a weld?

• file
• wire brush
• chipping hammer
• sander