Title: M5L3 Quiz
Course: WIND 150WH Wind Turbine Materials and Electro Mechanical Equipment > Section: WIND 150WH Wind Turbine Materials and Electro Mechanical Equipment

Q: Ground rods are used in conjunction with a ground wire to prevent __________.
- damage from lightning
- ground faults
- shock
- all of the above
A: all of the above

Q: Electrical shock is prevented by re-routing power from energized equipment cases to ground. This prevents a faulty source line from energizing the equipment case or structure if it comes into contact with it.
- True
- False
A: True

Q: List two reasons to ground device cases.

Q: On wind farms wires are buried for protection and aesthetics.
- True
- False
A: True

Q: What type of machine is used to trench out the soil quickly for long runs of conduit?

Q: What are the two methods of feeder lines delivery?
- Underground (buried) and overhead
- In ground and above ground
- Ac and DC
- NEC and IEC
A: Underground (buried) and overhead

Q: A _____________ is a pipe that provides protection for buried feeder lines from just below the ground up a structure.
- conduit riser
- protection tube
- feeder climber
- weather head
A: conduit riser

Q: ________________ are used for overhead feeders and prevent precipitation and debris from entering the top of the service conduit.
- Weather heads
- Grommets
- Moisture cap
- Weather seal
A: Weather heads

Q: Wind farm _______________ collect, condition, and connect power to transmission/distribution lines.
- substations
- transformers
- phase inverters
- grid collectors
A: substations

Q: Wire that run between buildings and power transformers are sometimes called _____________.
- service drops
- service loops
- drop loops
- service systems
A: service drops