
Corona and its effects

Quiz
•
Education
•
University
•
Hard
DAYANA S
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes overvoltages in the power system due to corona?
a) Lightning strikes
b) Faults and short circuits
c) High-voltage transmission lines
d) Generator malfunctions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does corona-induced overvoltage affect the power system?
a) Increase power system stability
b) Decrease power system losses
c) Cause radio interference and power losses
d) Improve power quality
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an effect of corona-induced overvoltage on the power system?
a) Increased power transmission efficiency
b) Reduced line losses
c) Decreased system reliability
d) Audible noise and ozone formation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equipment in the power system is most vulnerable to corona-induced overvoltage?
a) Transformers
b) Circuit breakers
c) Insulators
d) Power cables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the effects of corona-induced overvoltage be mitigated in the power system?
a) Installing corona rings on high-voltage conductors
b) Increasing power generation capacity
c) Using thicker power cables
d) Reducing power demand
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is corona?
a) A type of lightning discharge
b) A fault in the power system
c) A phenomenon where electrically charged particles are released from a conductor
d) A surge caused by generator malfunctions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does corona affect power system equipment?
a) Enhances equipment performance
b) Reduces equipment temperature
c) Causes insulation deterioration and increased power losses
d) Improves power factor
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