Electrical Safety
A stick electrode is "electrically ______" when the power source is on.
Hot
Oxygen is a component of the fire tetrahedron.
TRUE
Hazards can have what type of effects on you?
Long Term or Short Term
Cylinders must be secured and in the upright position when storing and using.
TRUE
When selecting gloves for most welding situations when heat is involved, _______ style gloves are the most appropriate choice.
Leather
Excess electrode lead should ______ be coiled up around your body.
NEVER
Class A fires are electrical fires.
FALSE
Class A are Ordinary Combustibles
What is a different name for welding "smoke"
Gases and fumes OR Fume Plume
Regulators can remain in place when moving cylinders.
FALSE
What two forms of eye protection should be worn when welding?
Safety glasses and a welding helmet
This type of shock occurs in arc welding from touching a lead inside a switched-on power source and then touching the power source case or other grounded metal at the same time, usually between 120-575 volts.
Primary Shock
CO2 extinguishers are designed for class B and C fires
TRUE
Example of a flammable gas
Acetylene
FALSE
When should a person wear ear protection?
When using a grinder or saw
Material that allows for the flow of electricity is called a(n)
Conductor
A welding spark may smolder but will not cause a fire.
FALSE
Damp or not entirely dry gloves can still be used to complete a weld as needed.
FALSE
Protect the cylinder from heat, mechanical shock and _____.
Arcs
Welding lens shades are universal and are permissible for all types of welding applications.
TRUE
A blown fuse is a warning sign that something is wrong in the power source.
TRUE
The spray from the fire extinguisher should be directed at the ______ of the fire.
Base
What do welders have an increased risk of developing long term?
Lung Disease
Pure oxygen increases what in flammable material
flammability
Ventilation