Welding SMAW~Equipment and Setup

The preventative maintenance schedule for an engine-driven welding machine is usually based on ______.

• insurance requirements

• the number of welds made

• fuel consumption figures

• the number of hours that the engine operates

When stringing welding cable overhead or between floors, tie off the cables with _____.

• cable

• wire

• chain

• rope

Welding slag chippers and needle scalers are typically _____

• pneumatically powered tools

• hand tools

• ultrasonic tools

• battery-powered tools

When selecting a workpiece clamp, be sure that it rated ______

• at least as high as the rated capacity of the welding machine

• no more than half of the rated capacity of the welding machine

• less than the median rated capacity of the welding machine

• at twice as high as the rated capacity of the welding machine

Avoid exposing a lead-acid battery to ____

• temperatures below 50 $\degree$ F

• sparks or arcs of any type

• more than two hours of use each day

• nitrogen

If a welding machine starts to fall over, ______

• grab a pry-bar to attempt to slow the fall down with leverage

• immediately pull the local fire alarm

• get clear and do not attempt to stop it yourself

• intervene and try to return it to an upright position using physical strength

Chipping slag and other coatings from finished welds requires ___________

• written procedures to dispose of the material removed

• tools including sanders, nylon brushes, or picks

• hazardous material suits, gloves, and gauntlets

• eye protection, including goggles or face shields

A DINSE style connector is ______.

• a different type of workpiece clamp

• a quick-disconnect style for welding leads

• a new type of electrode holder

• used to connect a welding machine to its primary power supply

The capacity of an arc welding machine is determined by its rated amperage and ______.

• duty cycle

• voltage

• electrode size

• function

A step-down transformer converts ______

• power at 60 Hz to a higher frequency

• power at 60 Hz to a lower frequency

• a low voltage to a higher voltage

• a higher voltage to a lower voltage