EMJ42003 Chapter 7 - Quiz 2 - Set 1

EMJ42003 Chapter 7 - Quiz 2 - Set 1

University

20 Qs

quiz-placeholder

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EMJ42003 Chapter 7 - Quiz 2 - Set 1

EMJ42003 Chapter 7 - Quiz 2 - Set 1

Assessment

Quiz

Engineering

University

Practice Problem

Medium

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NORSHAFINASH SAUDIN

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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is an overvoltage?

A voltage that is always safe

A voltage that exceeds normal levels

A constant voltage level

A voltage below the normal level

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which type of overvoltage is caused by lightning discharges?

Permanent overvoltage

Temporary overvoltage

External overvoltage

Internal overvoltage

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does TOV stand for?

Transient Overvoltage

Temporary Overvoltage

Tension Overvoltage

Total Overvoltage

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a cause of Slow Front Overvoltage (SFO)?

Switching of inductive currents

Load rejection

Fault initiation

All of the above

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the primary purpose of a lightning arrester?

To store energy

To measure current

To protect against lightning surges

To increase voltage

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the typical peak current for a first stroke of lightning?

10 kA

30 kA

100 kA

200 kA

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the main effect of Temporary Overvoltage (TOV)?

Increased efficiency

Equipment damage

Reduced power consumption

Improved insulation

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