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Electrical Circuit Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the color code for Live 1 (L1)?

a)

Yellow (YL)

b)

Black (BK)

c)

Red (RD)

d)

Blue (BL)

2.

Which component is represented by 'KM1'?

a)

MCB

b)

Isolator

c)

Fuse

d)

Contactor

3.

What does 'PE' stand for in electrical circuits?

a)

Phase Earth

b)

Primary Earth

c)

Protection Earth

d)

Power Earth

4.

What is the voltage level indicated in the text?

a)

480V

b)

415V

c)

110V

d)

230V

5.

Which color represents Neutral (N)?

a)

Red

b)

Yellow

c)

Blue

d)

Black

6.

What type of circuit is indicated by 'Control - Circuit'?

a)

Power Circuit

b)

Signal Circuit

c)

Control Circuit

d)

Ground Circuit

7.

What is the rating of MCB 63A?

a)

12A

b)

6A

c)

32A

d)

63A

8.

Which component is indicated by 'F1'?

a)

Contactor

b)

MCB

c)

Isolator

d)

Fuse

9.

What does 'NC' stand for in the context of T1?

a)

Negative Current

b)

Non-Current

c)

Neutral Circuit

d)

Normally Closed

10.

Which live wire is represented by L2?

a)

Black

b)

Yellow

c)

Red

d)

Blue

11.

What is the function of 'AUX' in the circuit?

a)

Auxiliary Ground

b)

Auxiliary Power

c)

Automatic Switch

d)

Auxiliary Contact

12.

What is the color code for Protection Earth?

a)

Red

b)

Black

c)

Green-Yellow

d)

Green

13.

Which component is indicated by 'F2'?

a)

Fuse

b)

MCB

c)

Isolator

d)

Contactor

14.

What does 'O-' signify in the circuit?

a)

Open Circuit

b)

Overload

c)

Off

d)

Output

15.

What is the rating of MCB 6A?

a)

16A

b)

10A

c)

32A

d)

6A