FC Comp Test ATT questions with verified answers A+
Grade 2026\2027
Electrical Shock
- correct answer Sensation and muscular spasm cause when electric current passes through the body
Voltage
- correct answer Potential of electric energy; pressure of electrons pushing away from each other
current
- correct answer A flow of electric charge.
Factors affecting shock
- correct answer Amount of current, path of current, amount of body resistance, length of time current
flows in body
Ways to prevent shock (3)
- correct answer Isolate, insulate & ground
Minimum AC current required to cause severe muscle contractions
- correct answer 12 mA
How much more DC is required to freeze the body rather than AC
- correct answer 5 times more
Types of burns
- correct answer Electrical burns, arc burns, thermal contact burns
Electrical burns
- correct answer Electrical current flowing through tissue or bones
, Arc burns
- correct answer Electrical current flowing through tissue or bones
thermal contact burns
- correct answer When skin comes in contact with hot surfaces of overheated electrical conductors
Factors of electrical accidents
- correct answer 1. Unsafe equipment 2. Unsafe environment 3.unsafe work practices
50 V
600+ V
grounding color
- correct answer 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 answer min R when closed, max when open
toggle, slide, rotary, and push button
single or double pole and throw
protection devices
- correct answer fuse (not reusable) and circuit breakers (reusable)
fuse: fast action ,1sec. Or slow blow 1-30secs
cot breaker: magnetic or thermal
Schematic Diagrams: C, D, Q, S, T, TP, AVC
- correct answer Capacitor, Diode, Transmitter, Switch, Transformer, Test Point, Automatic Volume
Control
Grade 2026\2027
Electrical Shock
- correct answer Sensation and muscular spasm cause when electric current passes through the body
Voltage
- correct answer Potential of electric energy; pressure of electrons pushing away from each other
current
- correct answer A flow of electric charge.
Factors affecting shock
- correct answer Amount of current, path of current, amount of body resistance, length of time current
flows in body
Ways to prevent shock (3)
- correct answer Isolate, insulate & ground
Minimum AC current required to cause severe muscle contractions
- correct answer 12 mA
How much more DC is required to freeze the body rather than AC
- correct answer 5 times more
Types of burns
- correct answer Electrical burns, arc burns, thermal contact burns
Electrical burns
- correct answer Electrical current flowing through tissue or bones
, Arc burns
- correct answer Electrical current flowing through tissue or bones
thermal contact burns
- correct answer When skin comes in contact with hot surfaces of overheated electrical conductors
Factors of electrical accidents
- correct answer 1. Unsafe equipment 2. Unsafe environment 3.unsafe work practices
50 V
600+ V
grounding color
- correct answer 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 answer min R when closed, max when open
toggle, slide, rotary, and push button
single or double pole and throw
protection devices
- correct answer fuse (not reusable) and circuit breakers (reusable)
fuse: fast action ,1sec. Or slow blow 1-30secs
cot breaker: magnetic or thermal
Schematic Diagrams: C, D, Q, S, T, TP, AVC
- correct answer Capacitor, Diode, Transmitter, Switch, Transformer, Test Point, Automatic Volume
Control
