
Electrical Supply Systems
Quiz
•
Science
•
Professional Development
•
Hard

Martin Ackery
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main components of the electricity supply industry?
Generation, transmission, distribution
Power stations, transformers, sub-stations
Fossil fuels, hydro, nuclear
Overhead power lines, insulators, pylons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are power stations often sited close to the fuel source and other important resources?
To reduce I2R losses
To ensure greater security of supplies
To enable maintenance operations
To connect power stations and load centres
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the National Grid in Great Britain?
To generate electricity
To transmit electricity at high voltages
To distribute electricity to consumers
To connect power stations and major sub-stations
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is transmission carried out at high voltages?
To reduce I2R losses
To ensure greater security of supplies
To enable maintenance operations
To connect power stations and load centres
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three transmission voltages used in the UK?
132kV, 275kV, 400kV
25kV, 66kV, 230V
33kV, 11kV, 400V
25kV, 275kV, 132kV
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main components of the electrical distribution network?
Sub-stations, pylons, power stations
Cables, insulators, transformers
Overhead power lines, insulators, pylons
Fossil fuels, hydro, nuclear
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three distribution voltages used in the UK?
33kV, 11kV, 400V
132kV, 275kV, 400kV
25kV, 66kV, 230V
25kV, 275kV, 132kV
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the voltage used for domestic users in the UK?
400V
230V
33kV
11kV
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