Final Review- Mechanics

Gas Welding goggles provide:

• Protection from flying particles vents to prevent fogging

• Impact protection and prevent splashes of chemical

• Protect against intense light, flying sparks, and molten metal

• Protect against Harmful Infrared and Ultraviolet Radiation

Arc Welding Helmet provides:

• Protect against Harmful Infrared and Ultraviolet Radiation

• Protect Face when grinding or pouring chemicals and must be worn with goggles or safety glasses.

• Protect against intense light, flying sparks, and molten metal.

• Protection from flying particles vents to prevent fogging

Safety glasses are worn by:

• everyone

• students only

• visitors only

• instructors only

Part ID

• Electrode

• Ball Pin Hammer

• Chipping Hammer

Areas of a machine which are painted safety orange/yellow indicate

• an area of caution

• an area of safety

• an area of dangerous parts

• the lack of taste

To extinguish a fire quickly, it is important that you know where all fire extinguishers in the lab are located and:

• how they operate

• their contents

• how they operate and their contents

• how the fire started

The type of fire extinguisher used in this shop is

• soda acid

• carbon dioxide

• dry chemical

• halogen

Appropriate clothing for the welding shop should include:

• Short sleeves, frayed and torn pants, sandals

• Short sleeves, pants free of holes and frayed edges, closed toed shoes

• Long sleeves, pants free of holes and frayed edges, closed toed shoes

• Long sleeves, frayed and torn pants, sandals

All cylinders should be

• painted the proper color code

• returned to supplier when empty

• secured with a chain or other device

• all of these

During the Arc welding process which light can easily cause skin burn?

• visible

• ultraviolet

• infrared

• ultraviolet and infrared