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ATT Test 1|33 Questions and Answers|100% Scores
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ATT Test 1|33 Questions and Answers|100% Scores
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ATT Test 1|33 Questions andAnswers|100% Scores
Electrical Shock - -Sensation and muscular spasm cause when electric
current passes through the body
- Voltage - -Potential of electric energy; pressure of electrons pushing away
from each other
- Current - -Flow of electrons
- Most dangerous paths - -Hand to hand & left hand to either foot
- Factors affecting shock - -Amount of current, path of current, amount of
body resistance, length of time current flows in body
- 3 ways to prevent shock - -Isolate, insulate & ground
- Grounding conductor - -Used to form a low resistance path from the
ground to the metallic tool case
- 12MA - -Minimum AC current required to cause severe muscle
contractions
- The body - -Acts like a conductor when it becomes part of a circuit
- 5xs - -How much more DC is required to freeze the body rather than AC
- Burns - -Electrical burns, arc burns, thermal contact burns
- Electrical burns - -Electrical current flowing through tissue or bones
- Arc burns - -High temperatures near the body produced by electric arc or
explosion
- Thermal contact burns - -When skin comes in contact with hot surfaces of
overheated electrical conductors
- Electrical Arcs - -Where short circuit occurs; may cause fires
- Extremely high arcs - -Damage equipment dispersing metal fragments
- Low energy arcs - -Explode containing flammable gas, vapors, or
combustible dusts
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