FC Comp Test ATT (A+ Guaranteed).

Electrical Shock correct answers Sensation and muscular spasm cause when electric current passes through the body Voltage correct answers Potential of electric energy; pressure of electrons pushing away from each other current correct answers A flow of electric charge. Factors affecting shock correct answers Amount of current, path of current, amount of body resistance, length of time current flows in body Ways to prevent shock (3) correct answers Isolate, insulate & ground Minimum AC current required to cause severe muscle contractions correct answers 12 mA How much more DC is required to freeze the body rather than AC correct answers 5 times more Types of burns correct answers Electrical burns, arc burns, thermal contact burns Electrical burns correct answers Electrical current flowing through tissue or bones Arc burns correct answers Electrical current flowing through tissue or bones thermal contact burns correct answers When skin comes in contact with hot surfaces of overheated electrical conductors Factors of electrical accidents correct answers 1. Unsafe equipment 2. Unsafe environment e work practices 50 V 600+ V grounding color correct answers Must be guarded against accidental contact Made with metal enclosed equipment or enclosed in a vault or area with lock green/green yellow/white/grey switches types correct answers min R when closed, max when open toggle, slide, rotary, and push button single or double pole and throw protection devices correct answers fuse (not reusable) and circuit breakers (reusable) fuse: fast action ,1sec. Or slow blow 1-30secs cot breaker: magnetic or thermal