Title: M5L1 Quiz
Course: WIND 150WH Wind Turbine Materials and Electro Mechanical Equipment > Section: WIND 150WH Wind Turbine Materials and Electro Mechanical Equipment

Q: Electricity from the power plant is fed to nearby areas by use of distribution lines, substations, transformers, and other types of utility lines.
- True
- False
A: True

Q: Power needed further away is ____________ in voltage (electrical pressure) and gets delivered to distant substations viatransmission lines. This saves on transmission line size and thus weight.
- stepped up
- stepped down
A: stepped up

Q: There are many types of power poles and towers. They are designed to carry specific voltages and types of power.
- True
- False
A: True

Q: Power plants burn immense amounts of coal as a source of energy. A coal fired power plant burns about ____________ of coal each day, during peak seasons.
- 10,000 tons
- 600 tons
- 1,000 tons
- 6,000 tons
A: 10,000 tons

Q: Another source of energy used to create electrical power is natural gas, though it is not a cleaner alternative to coal.
- True
- False
A: False

Q: ____________ provide a localized area to split, monitor, and distribute various required voltages to utility and other power distribution lines. They are an important part of the grid and of great concern when considering grid efficiencies and losses.
- Power plants
- Substations
- Transmission lines
- Wind farms
A: Substations

Q: Power correction and other efficiency requirements are __________ when designing substations.
- not a consideration
- considered
A: considered

Q: __________________ send power information, such as noise, brownout warnings, and loading effects on each branch of its power to utility companies.
- Transformers
- Monitoring systems
- Grid transformers
- Grid-tied systems
A: Monitoring systems

Q: Within substations, ________________ are used to shut down power or to act as a selector, diverting power to needed areas
- switchgears
- fuses
- selector bars
- diverters
A: switchgears

Q: A transformer needs to deliver 600a at 240v to a business. The transformer’s primary is to be connected to a 16kV line. What transformer would work best?
- A 200:3 ratio, 144kVa, step-down type
- A 2:3 ratio, 14.4kVa, step-down type
- A 200:3 ratio, 9.6MVa, step-down type
- None of the above
A: A 200:3 ratio, 144kVa, step-down type

Q: Distribution lines deliver electrical power to industrial, commercial, and residential areas
- True
- False
A: True

Q: The transformer increases the “pressure,” so the flow quantity can decrease and the overall power remains the same. This saves on wire ____________.
- diameter and cost
- fatigue costs
- length and cost
- insular costs
A: diameter and cost

Q: High voltage lines are _________ from poles by glass/ceramic insulators.
- isolated
- insulated
- mounted
- all of the above
A: all of the above

Q: Power line fuses are used to prevent catastrophic __________ conditions
- over voltage
- over power
- over unity
- short-circuit
A: short-circuit

Q: ______________ power lines poles and device cases is important as it ensures voltage arcs or lightning will be shorted to ground rather than passing on to other grid, and customer, devices.
- Grounding
- Bonding
- Tying off
- Strapping
A: Grounding