Electrical Supply Quiz

Electrical Supply Quiz

12th Grade

15 Qs

quiz-placeholder

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Electrical Supply Quiz

Electrical Supply Quiz

Assessment

Quiz

Education

12th Grade

Practice Problem

Easy

Created by

Michael Cooke

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of supply can star-connected systems feed?

Only domestic properties

Only commercial properties

Both domestic and commercial properties

Neither domestic nor commercial properties

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the single-phase supply voltage when measuring across a phase to neutral?

110V

230V

400V

500V

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the three-phase supply voltage when measuring across any two phases?

110V

230V

400V

500V

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a star connection, what happens to the current?

It increases

It decreases

It does not change

It fluctuates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a delta connection, how is the line current related to the phase current?

Equal to the phase current

Twice the phase current

√3 times the phase current

Half the phase current

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a single-phase supply insufficient for large commercial outlets?

It is too expensive

It cannot meet the current demand

It is too complex

It is not reliable

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of distributing loads in a three-phase supply?

Reduces cost

Balances each phase with the same loading

Increases power

Decreases efficiency

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