Heat Stress
Heat stress occurs when-
Hot air prevents your body from cooling itself properly
It is important to layer your clothes because
it allows you to adjust to the temperature around you
Hot work always carries a risk of severe
burns
What are the two elements of fire safety
Fire prevention and firefighting
What is a hot work permit?
an authorization from site manager to perform work that may be a fire hazard
Heat cramps are caused by a lack of-
Water/electrolytes
Never --- an area that has been affected by frostbite
Rub
You should look at an arc welding operation ONLY when-
never
Fuel, heat and oxygen
Oxygen and ----- gases are combined to produce a high temperature flame for welding
acetyene (oxyfuel)
When body temperature gets too high, you may get
Heat stroke
When you have frostbite, your skin may get
pale, waxy, hard, numb
True or false-
A reflected arc welding operation can not hurt your eyes
false
What is a flash point?
Temp at which fuel is encouraged to burn
care
Workers should drink this many cups of water per hour when working in heat index of 103 or higher
4 cups
Body heat is lost --% faster in water than on dry land
25
What is a welding curtain?
heat-resistant material that is used to create a barrier around the workspace where welding is being performed
Liquids can be-
Flammable or combustible
When is a fire watch posted?
when a welding or cutting job is being done in many areas
Clothing you should wear when in high heat
Loose fitting, lightweight, light colored
Name a symptom of hypothermia
A drop in body temperature, Shivering, Fatigue, Slurred speech, Mental confusion , Drowsiness, Weakness, Clumsy movements, or Irritable, irrational, confused behavior
What is arc welding?
Metals are joined using a high-intensity electric arc
Combustible liquids have a flash point at or above
100 degrees Fahrenheit
What is fuel?
Anything that will combine with oxygen and heat to burn