PPE
What does ppe stand for
personal protective equipment
what color signifies control on a piece of equipment
yellow
what is the sensation experienced with arc eye ?
hot sand
what does arc radiation cause on exposed skin
burns or severe sunburn
sound above what decimal causes hearing damage
90
what type of fire extinguisers are used within the shop
ABC rated
what does blue mean on equipment in the shop
out of working order
what does fr stand for
fire resistant
what is the purpose of welding curtains or screens
to protect others in the shop from arc flashes, radiation and sparks
depleation of what while welding will cause suffocaton
oxygen
what is the purpose of ppe
reduces risk and injuries
what color is used to improve visibility and highlight the edge of equipment
what welding process is safe to preform without any ventilation
NONE
how many classes of fire are there
4
what is the most common route of exposure for most health hazards
breathing through mouth or nose
what are the six pieces of ppe you need to wear and what is their purpose
safety glasses-protect eyes
fire jacket-protect body from burns
denim jeans-protect legs from burns
leather boots-prevent sparks and burns from burning your feet
welding gloves-prevents burns and cuts on your hands
welding helmet-protects the eyes from arc flashes
what are 2 things that can happen when welding with wet gloves?
burns and electrocution
what are the 3 components of the fire triangle
fuel, oxygen and heat
what flammable gas is used within the shop
acetylene
what are non flammable gases used within the welding shop
argon, oxygen and C25
hot metal should be handed with ?
pliers
what is quenching metal ? why is it done ? what problem can it cause ?
putting hot metal into water
it cools metal quickly
it weakens the metal and weld
what is an electrical neutral source called
ground
what should never be used on a cylinder
petroleum based lubricant
how far can sparks travel
35 feet