Title: Unit 3 Quiz
Course: SGRD 100 Smart Grid Overview > Section: SGRD 100 Smart Grid Overview

Q: At a power plant before transmission, the voltage is usually
- stepped-down
- inverted
- rectified
- stepped-up
A: stepped-up

Q: Transmission line voltages are typically between
- 4.16 - 24.94 kV
- 34.5 - 138 kV
- 161 - 765 kV
- 120 - 600 V
A: 161 - 765 kV

Q: Power is transmitted at high voltage to reduce
- ressistive losses
- plasma ionization
- arcing
- intermodulation
A: ressistive losses

Q: Intentional power outtages to distribute limited power when demands exceeds supply are called
- blackouts
- cascading failures
- rolling blackouts
- brownouts
A: rolling blackouts

Q: The final component in the power transmission system between feeder lines and residential service is a
- step-up transformer
- rectifier
- inverter
- step-down transformer
A: step-down transformer

Q: Distribution voltages are typically between
- 3.45 - 138 kV
- 4.16 - 24.94 kV
- 161 - 765 kV
- 120 - 600 V
A: 4.16 - 24.94 kV

Q: Amorphous metal transformers reduce
- losses due to induced currents
- magnetization/demagnetization losses
- both A and B
- none of the above
A: both A and B

Q: High temperature superconducting cables
- eliminate line losses
- have higher current capacity than convectional cables
- can function as fault current limiters
- all of the above
A: all of the above

Q: The average annual cost of blackouts in the U.S. is
- $ 10 million
- $ 100 billion
- $ 10 billion
- $ 100 million
A: $ 100 billion

Q: A smart meter
- is a component of advanced metering infrastructure
- provides two-way communication
- allows for real time pricing
- all of the above
A: all of the above

Q: Which of the following would typically be used for distributed generation
- Solar farm
- Nuclear power plant
- Hydroelectric power plant
- Coal-fired, steam power plant
A: Solar farm

Q: In what order are power plants dispatched
- peaker, baseload, intermediate
- baseload, intermediate, peaker
- intermediate, peaker, baseload
- peaker, intermediate, baseload
A: baseload, intermediate, peaker

Q: Demand response should result in load leveling by
- changing consumption habits
- energing rationing
- rolling blackouts
- remote disconnects
A: changing consumption habits

Q: When demand is relatively inelastic and the price of electricity increases,
- demand increases slightly
- demand increases greatly
- demand decreases slightly
- demand decreases greatly
A: demand decreases slightly

Q: Smart meters and real time pricing should
- increase demand elasticity
- decrease demand elasticity
- have no affect on elasticity
- none of the above
A: increase demand elasticity