Revision Examination Tests
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COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2024-2025 ACTUAL
EXAM COMPLETE 200-QUESTIONS AND CORRECT DETAILED ANSWERS
Quiz Lock Out Tag Out (LOTO)
Ans: 1. Protects you from Electricity
2. Isolated - isolates you from the power souse to keep it out/off and you safe
Quiz 10 seconds
Ans: A generator MUST kick up within ______
Quiz 277
Ans: ____ is NEVER line-to-line voltage
Quiz romex
Ans: is most common in residential
Quiz kVA
Ans: Transformers are measured in what units?
Quiz RMC, EMT, PVC
Ans: Which conduits have NO wire?
Quiz MC Cable
Ans: Which conduits have wire?
Quiz Conductor
Ans: ____ is a material that allows electrons to easily move from atom to atom. Ex.
silver, copper, gold, aluminum, iron
Quiz Insulator
,Ans: _____ is a material that does not allow electrons to easily move from atom to
atom. Ex. Glass, rubber, plastic, or paper
Quiz Phases
Ans: _____ Refers to the number of "hot" wires in a system
Quiz Transformers
Ans: _____ uses electromagnetism to step-up or step-down AC voltage from one
level to another
Quiz Grounding
Ans: protects the occupants by providing a safe pathway for unwanted electricity
that might create a hazard
Quiz System Ground
Ans: _______ protects the entire distribution system of a residence
Quiz Equipment Ground
Ans: ____ protects individual components connected to an electrical system
Quiz GCFI (ground fault circuit interrupters)
Ans: _____ detects low level of leakage current to ground and open the circuit in
response
Quiz GCFI (ground fault circuit interrupters)
Ans: Located in bathrooms, kitchens, near pools, fountains, and garages. designed
to detects leakages of current
Quiz Transformer
Ans: What electrical equipment is this?
Quiz Weather Head
Ans: What electrical equipment is this?
Quiz Disconnect
Ans: The purpose of a _______ is to shut off power
Quiz AC (Alternating Current)
, Ans: Type of current used in buildings
Quiz PVC Conduit
Ans: What does this picture show?
Quiz PVC Conduit
Ans: ______ is used primarily underground because it holds up to corrosion and
decay better
Quiz RC
Ans: Once PVC conduit is above ground it transitions into _____
Quiz RMC (Rigid Metal Conduit)
Ans: What type of conduit is this?
Quiz RMC (Rigid Metallic Conduit)
Ans: What type of conduit is this?
Quiz EMT (Electrical Metallic Tubing)
Ans: What type of conduit is this?
Quiz EMT (Electrical Metallic Tubing)
Ans: _______ is used into of the building, has the thinnest walls, and uses set screw
or compression fittings
Quiz RMC (Rigid Metallic Conduit)
Ans: _______ Has the thickest wall, used outside of the building, and has threaded
connections
Quiz Set Screw Fitting
Ans: What type of fitting is this?
Quiz Compression
Ans: What type of fitting is this?
Quiz Line Box
Ans: A ______ is a pull point that you can pull a wire through and then open up a
plate and push the wire through so you do not have to cut or twist the wire