NLC - Electric Systems Exam with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
List four main elements of the electric system ✔Correct Answer-Generation, Transmission,
Distribution, Substations
Generating stations convert energy from what into electrical energy? ✔Correct Answer-coal, oil,
water, gas, steam, and atoms
At what voltage range is power generated? ✔Correct Answer-13,000 - 24,000
What is the one common purpose of generating stations? ✔Correct Answer-To generate power as
efficiently as possible
At what voltages are transmission lines energized? ✔Correct Answer-765kv, 500kv, 345kv, or 230kv
At what voltages are sub transmission lines energized? ✔Correct Answer-34kv, 69kv, 115kv, and
138kv
At what voltages are distribution lines energized? ✔Correct Answer-Between 2kv and 34.5kv
What is NERC and what is its function? ✔Correct Answer-North American Electrical Reliability
Corporation - to oversee the nine counsels that promote the reliability of electric supply
List the advantages of fossil fired generation ✔Correct Answer-Relatively Cheap Fuel
High production capacity
Site Location
List the disadvantages of fossil fired generation ✔Correct Answer-Emits pollutants
Non-Renewable Source
Large site needed for facility
Cost of fuel delivery is high
List the advantages of nuclear fired generation (20% of today's power generation)? ✔Correct
Answer-High production capacity
No Airborne Pollutants
List the disadvantages of nuclear fired generation? ✔Correct Answer-need to be located by water
disposal of waste materials
increased background radiation
poor public opinion
non-renewable source
List the advantages of geothermal generation ✔Correct Answer-Renewable resource
areas located throughout the U.S.
List the advantages of solar generation ✔Correct Answer-renewable resource
no pollutants
, List the disadvantages of solar generation ✔Correct Answer-generates small amounts of electricity
costs exceed practical limits
List the advantages of hydroelectric power generation ✔Correct Answer-low operation cost
high production capacity
renewable resource
doesn't require fuel
List the disadvantages of hydroelectric power generation ✔Correct Answer-located far from load
center
cost of construction/taxes
land lost to dam
impact on wildlife
list the advantages to combustion engines and turbines ✔Correct Answer-can be located anywhere
can provide peak or emergency power
low capital cost
automatic operation
List the disadvantages of combustion engines and turbines ✔Correct Answer-high fuel cost and
pollution
small/limited capacity
use non-renewable resources as fuel
List the advantages of wind generated power ✔Correct Answer-renewable resource
no fuel cost
List the disadvantages of wind generated power ✔Correct Answer-construction costs
wind velocity limits reliability
birds killed by propellers
limited capacity
List the advantages of cogeneration ✔Correct Answer-efficient use of resources
high production capacity
List the disadvantages of cogeneration ✔Correct Answer-emits pollutants
limited site locations
uses limited resource as fuel
List the advantages of biomass generation ✔Correct Answer-Renewable resource
many possible locations
List the disadvantages of biomass (wood) generation ✔Correct Answer-fuel may be seasonal
emits pollutants
small capcity
List the advantages of resource recover (landfill) generation ✔Correct Answer-landfill relief
public acceptance
List the disadvantages of resource recover (landfill) generation ✔Correct Answer-requires large
volumes of solid waste
Verified Answers |Latest Version |Already Graded A+
List four main elements of the electric system ✔Correct Answer-Generation, Transmission,
Distribution, Substations
Generating stations convert energy from what into electrical energy? ✔Correct Answer-coal, oil,
water, gas, steam, and atoms
At what voltage range is power generated? ✔Correct Answer-13,000 - 24,000
What is the one common purpose of generating stations? ✔Correct Answer-To generate power as
efficiently as possible
At what voltages are transmission lines energized? ✔Correct Answer-765kv, 500kv, 345kv, or 230kv
At what voltages are sub transmission lines energized? ✔Correct Answer-34kv, 69kv, 115kv, and
138kv
At what voltages are distribution lines energized? ✔Correct Answer-Between 2kv and 34.5kv
What is NERC and what is its function? ✔Correct Answer-North American Electrical Reliability
Corporation - to oversee the nine counsels that promote the reliability of electric supply
List the advantages of fossil fired generation ✔Correct Answer-Relatively Cheap Fuel
High production capacity
Site Location
List the disadvantages of fossil fired generation ✔Correct Answer-Emits pollutants
Non-Renewable Source
Large site needed for facility
Cost of fuel delivery is high
List the advantages of nuclear fired generation (20% of today's power generation)? ✔Correct
Answer-High production capacity
No Airborne Pollutants
List the disadvantages of nuclear fired generation? ✔Correct Answer-need to be located by water
disposal of waste materials
increased background radiation
poor public opinion
non-renewable source
List the advantages of geothermal generation ✔Correct Answer-Renewable resource
areas located throughout the U.S.
List the advantages of solar generation ✔Correct Answer-renewable resource
no pollutants
, List the disadvantages of solar generation ✔Correct Answer-generates small amounts of electricity
costs exceed practical limits
List the advantages of hydroelectric power generation ✔Correct Answer-low operation cost
high production capacity
renewable resource
doesn't require fuel
List the disadvantages of hydroelectric power generation ✔Correct Answer-located far from load
center
cost of construction/taxes
land lost to dam
impact on wildlife
list the advantages to combustion engines and turbines ✔Correct Answer-can be located anywhere
can provide peak or emergency power
low capital cost
automatic operation
List the disadvantages of combustion engines and turbines ✔Correct Answer-high fuel cost and
pollution
small/limited capacity
use non-renewable resources as fuel
List the advantages of wind generated power ✔Correct Answer-renewable resource
no fuel cost
List the disadvantages of wind generated power ✔Correct Answer-construction costs
wind velocity limits reliability
birds killed by propellers
limited capacity
List the advantages of cogeneration ✔Correct Answer-efficient use of resources
high production capacity
List the disadvantages of cogeneration ✔Correct Answer-emits pollutants
limited site locations
uses limited resource as fuel
List the advantages of biomass generation ✔Correct Answer-Renewable resource
many possible locations
List the disadvantages of biomass (wood) generation ✔Correct Answer-fuel may be seasonal
emits pollutants
small capcity
List the advantages of resource recover (landfill) generation ✔Correct Answer-landfill relief
public acceptance
List the disadvantages of resource recover (landfill) generation ✔Correct Answer-requires large
volumes of solid waste
