Welding Flashcards
A ____ degree burn penetrates the skin to the flesh below.
A SECOND degree burn penetrates the skin to the flesh below.
The most dangerous type of light ray emitted by welding is ____ ____.
The most dangerous is infrared ray.
True or false: Cylinder of compressed inert gasses are not flammable or reactive and are not dangerous.
False.
What are fumes made of?
Fumes are made of small particles in the air as result of the welding process. They could be bits of metal or chemicals released from paint, coatings or fluxes.
What are gases?
Gases are one of the fundamental states of matter. Gases in welding are usually shielding gases.
Welding lenses will protect your eyes from ____ of harmful light rays.
Welding lenses will protect your eyes from 99% of harmful light rays.
List the three types of clothing in order of ability to protect, starting with the best.
1) Leather
2) Wool or tweed
3) Cotton drills and denims
A face shield, or safety goggles will protect your eyes when ____ or ____.
A face shield or safety goggles will protect your eyes when CHIPPING or GRINDING.
Screens and blinds are put up to ____.
Screens and blinds are put up to PROTECT OTHER PEOPLE AND EQUIPMENT.
The three components of fire are:
1) Heat
2) Air
3) Fuel
There are five classes of fire. For each class, list the type of combustible involved.
Class A: Wood and Paper Class B: Oil and Greases Class C: Electrical components Class D: Combustible Metals Class K: Kitchen fires
Whose responsibility is it to determine hazards?
It is your responsibility to determine what hazards exist and to protect co-workers, yourself and the workplace.
What is the maximum safe working pressure for acetylene?
15 psi
Acetylene cylinders are protected against explosions by the use of ____.
Acetylene cylinders are protected against explosions by the use of FUSIBLE PLUGS.
Oxygen cylinders are protected against explosions by the use of ____.
Oxygen cylinders are protected against explosions by the use of FRANGILE DISC.
