
How Do Substations Work?
Interactive Video
•
Construction
•
9th - 12th Grade
•
Practice Problem
•
Hard
David S Silva
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of substations within the electrical grid?
To generate electricity for local communities.
To connect various components of the power grid and manage electricity flow.
To store excess electricity for later use.
To convert electricity into other forms of energy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main stages electricity goes through from production to individual customers?
Generation, Transmission, Distribution
Production, Delivery, Consumption
Powering, Connecting, Supplying
Creation, Transfer, Usage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is turning high-voltage lines on and off a complex and dangerous procedure?
It requires a large amount of physical force to operate the switches.
The high voltage can cause electricity to flow through the air, a phenomenon known as arcing.
It can disrupt radio signals and communication networks.
The equipment is extremely heavy and difficult to maneuver.
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do circuit breakers differ from fuses in protecting electrical equipment from faults?
Fuses are reusable, while circuit breakers are one-time use.
Circuit breakers provide more sophisticated control and can interrupt current for a wider variety of faults without damage.
Fuses are designed for high voltages, and circuit breakers are for low voltages.
Circuit breakers only protect against short circuits to ground, while fuses protect against all types of faults.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a recloser in the power grid?
To permanently disconnect power during any fault.
To interrupt current for a short period and re-energize the line to check if a temporary fault has cleared.
To increase voltage for long-distance transmission.
To shed load during periods of high electricity demand.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is electricity transmitted at very high voltages over long distances?
To make the power lines more visible to aircraft.
To reduce power losses and increase efficiency.
To allow for easier connection to residential homes.
To prevent lightning strikes from damaging the grid.
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