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WorksheetsUEAP Year 1 Electrical Systems
Total questions: 27
Worksheet time: 18mins
The entire electrical system is comprised of _ main elements:
6
5
4
3
The grid refers to which part of the electrical system?
Transformers
Transmission
Distribution
Subtransmission
Generating facilities share a common purpose
make power
generate power efficientlly
make money
substations
Electricity is generated at (a) to 24,000 volts
Many different companies own the generation stations
true
false
Electricity is only stepped down one time throughout the Electrical system
True
False
Transmission systems move (a) quantities of power over long distances at high voltages
Which are common transmission voltages
500KV
765KV
34.5KV
230KV
What entity oversees North Americas transmission system
(a)
This is not a common Subtransmission voltage
44kv
69kv
345kv
138Kv
Subtransmission voltages range from 44KV,69KV,115KV,138KV
False
True
Sub-transmission becomes necessary when (a) sized blocks of power need to be delivered to distribution substations at the load center
7200/12470 is a common _____ voltage
Underground
Overhead
Transformer
Distribution
Distribution lines can be energized at voltages from 2kv to 34.5kv
True
False
Coal, crude oil, and natural gas are used in this type of generation
Solar
Nuclear
geothermal
fossil fired
this generation is done by splitting atoms
(a)
_____ generation uses the natural heat of the earth to produce steam
geothermal
nuclear
fossil fired
solar
This generation uses the construction of dams
Solar
Hydroponic
Hydroelectric
Wind
Cogeneration is the simultaneous generation of both electricity and useful thermal energy
true
false
Dispersed microgeneration is connected directly to the (a) systems.
These provide a path to ground for lightning surges
shield wires
fiber optic wires
ground wire
conductors
Distribution main lines will have (a) conductors than tap lines
this runs from the padmount to pedestal in underground systems
services
primary
secondary
feeder
these types of circuits are independent and radiate into the service area.
(a)
Where are network grids located
Metropolitan areas
Rural areas
Urban areas
Substations have how many major functions
2
3
4
5
These devices provide a reduction in the voltage and current so the power flow can be measured
Current and Potential transformers
Capacitors and Reactors
Voltage Regulators
Circuit Breakers
