
Typical AC Electrical Power Supply System
Quiz
•
Engineering
•
University
•
Practice Problem
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Medium
Kristine Baldago
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the standard frequency of AC power used in most countries?
50 Hz
40 Hz
60 Hz
Both 50 Hz and 60 Hz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AC stands for "Alternating Current," which means ___________.
The current flows in one direction only.
The current remains constant over time.
The current is generated only by batteries.
The current changes direction periodically.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main components of a typical AC electrical power supply system?
Production, Storage, Consumption
Generation, Insulation, Termination
Generation, Transmission, Distribution
Transmission, Conversion, Utilization
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the primary advantage of using alternating current (AC) over direct current (DC) in power supply systems?
AC is cheaper to produce.
AC can be easily converted to different voltage levels using transformers.
AC is faster than DC.
AC does not require substations.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distribution system of an AC power supply operates at a ______ voltage than the transmission system.
lower
higher
equal
fluctuating
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are transformers essential in an AC electrical power supply system?
They regulate the frequency of AC power.
They eliminate power losses completely.
They convert electrical energy into mechanical energy.
They step up voltage for efficient long-distance transmission & step down voltage for safe distribution to end-users.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is part of the generation component of an AC power system?
Wind turbines
Substations
Transmission lines
Distribution transformers
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