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WorksheetsFunctions of Basic Electrical Control Components
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which device only provides isolation, without control or protection?
a)
Fuse
b)
Switch
c)
Isolator
d)
Contactor
2.
Which component is used for control but not for protection or isolation?
a)
ELCB
b)
Contactor
c)
Breaker
d)
Switch
3.
Which component provides protection?
a)
Fuse
b)
Contactor
c)
Isolator
d)
Switch
4.
Which of the following components cannot provide control?
a)
Switch
b)
Breaker
c)
ELCB
d)
Contactor
5.
Which of the following provides isolation and protection but not control?
a)
Isolator
b)
Fuse
c)
Contactor
d)
Switch
6.
Which component provides all three functions: control, isolation, and protection?
a)
Breaker
b)
Fuse
c)
Contactor
d)
ELCB
7.
Which component cannot isolate the circuit?
a)
Isolator
b)
Fuse
c)
Contactor
d)
Breaker
8.
Which of the following components can provide both control and isolation but not protection?
a)
Contactor
b)
Breaker
c)
ELCB
d)
Switch
9.
Which component is specifically designed for protection against overloads and short circuits?
a)
Fuse
b)
Contactor
c)
Isolator
d)
Switch
10.
Which device symbol is shown?
a)
Switch
b)
Fuse
c)
Isolator
d)
ELCB
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