What color are information signs?
Blue
True or false: A barrier with yellow and purple markings indicates a fire hazard.
False
Which of the four activities is most likely to produce flying objects: Using a chipping hammer, Using a screwdriver, Painting a wall, or Climbing a ladder
Using a chipping hammer
True or false: Personnel working in the vicinity of arc welding work must wear eye protection with tinted lenses.
True
True or false: The three elements needed for a fire to start are fuel, combustible liquid, and oxygen.
False
The person primarily responsible for your safety is...
Yourself
If a scaffold has a yellow tag you must...?
Wear a safety harness while using it
Define a ground
The conduction connection between electrical equipment or an electrical circuit and the Earth
What is this piece of PPE called?
Half Mask Respirator
PEL stands for...
Permissible Exposure Limits
Safety Data Sheet (SDS)
Define cross bracing
Braces (metal or wood) placed diagonally from the bottom of one rail to the top of another rail that add support to a structure.
What type of soil is most likely to result in a trench cave-in?
Type C
What does the drilling of concrete produce?
Silica dust
What is flash burn?
The damage that can be done to eyes after even a brief exposure to ultraviolet light from arc welding.
What is the difference between an incident and an accident?
An incident does not result in personal injury while an accident does.
3 feet
What is the reaction a human body would have to a 0.050-0.9amps current?
Extreme pain. Breathing stops; severe muscular contraction occur. Death may result.
What is the general rule for when you should wear hearing protection?
If the noise level is so great that you have to raise your voice to be heard by someone less than 2 feet away, you need to wear hearing protection.
What does this container label warn of?
Oxidizers