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Flashcards in Safety Deck (16)
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Explosive vaporization of a metal conductor caused by an electrical short

Arc flash

1

Type of electrical shock that is introduced inside the body that can be fatal at currents as low a .01 mA.

Microshock

2

Condition in the environment that could cause injury or death

Hazard

3

Likely hood and consequence of a hazard to cause harm.

Risk

4

What are the four behaviors that contribute to the likelihood and consequences of a hazard causing harm?

Rushing
Fatigue
Complacency
Frustration

5

What are the four types of hazard mitigation used to reduce the risk of an activity?

Engineering
Administrative
PPE
Behavior

6

What are some examples of administrative controls to reduce risk?

Lock-out, Tag-out procedures
Inspection checklists
2 person rule
Procedures and policies

7

What are some examples of engineering controls to reduce risk?

Back-up beepers
Alarms and indicator lights
Safety chains and E-stops
Arc flash shields
Machine guards

8

What are some examples of PPE that are used to reduce risk?

Hot gloves
Safety glasses
Flame resistant (FR) clothing
Steel toed boots

9

What are examples of behavior controls used to reduce risk?

Behavior based observations
Hazard identification training
Safety meetings

10

Electric shock causes

Ventricular fibrillation
Sudden cardiac arrest
Muscles spasms and contractions

11

Build up of fluid in the lungs due to inhalation of hot fumes or gasses.

Pulmonary edema

12

An arc flash can cause what hazards to occur?

Molten metal
Explosive expansion of a gas
UV light
Extremely high temperatures

13

If you place a lock to isolate an energy source, who can remove that lock?

Only the person that placed it.

14

When a copper conductor vaporizes it expands by how many times?

67,000 times

15

What is the impact rating of Z87 safety glasses?

1/4 diameter steel ball traveling at 150 ft/s