Metal working basics

What type of radiation must we protect ourselves from while electric Arc welding?

• Ultra-violet

• Infra red

• solar

• Nuclear

As a safety precaution, a ______________ should be kept nearby when Arc Welding.

• Water

• Fire retardant material

• Fire extinguisher

• none of the above

________ is the process of fusing two pieces of steel together using the heat produced from an electric arc.

• TIG

• SMAW

• GFAW

• MIG

What is used to light the Oxy/fuel torch?

• Striker

• Bic Lighter

• Match

• Zippo

What color is the hose which connects to the acetylene cylinder?

• Red

• Green

• Yellow

• Blue

What color is the hose that connects to the oxygen cylinder?

• red

• green

• yellow

• blue

The Acetylene cylinder fittings have what type of threads?

• pipe threads

• standard threads

• course threads

• Left-handed threads

The Oxygen valve should be opened ____________ when cutting.

• 1 round

• 2 rounds

• 3 rounds

• All the way

The pressure on the acetylene hose should never exceed __________psi.

• 5lbs

• 10lbs

• 15lbs

• 25lbs

The acetylene valve should be opened _____________turns when working.

• 1 round

• 2 rounds

• 3 rounds

• all the way