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WorksheetsElectrical Safety and Circuit Protection
Total questions: 15
Worksheet time: 4hrs 45mins
Label each part of the power network
This is the circuit symbol of a
resistor
battery
fuse
switch
an earth wire
If a bulb uses 10A, which fuse would be best?
10A
13A
8A
5A
Why are overheating cables a hazard?
Could cause a fire
Could cause a electrocution
Could cause a shortcircuit
Could melt the fuse
Fuse/circuit breaker should be set to a current value just above the normal operating current. True or false
True
False
Fuses are common in service panels today.
True
False
Circuit breakers can be reset.
True
False
Please read and choose the correct option.
A circuit breaker has a switch on the outside of the box. You can turn this on or off.
You can turn the circuit breaker switch on or off.
True
False
What is this symbol?
WHAT IS THE IMAGE SHOWN -
ULTRA POWER BATTERY
MCB
FUSE
CELL
IMAGE SHOWN IS A ......
CIRUIT BREAKER
FUSE
BIG SWITCH
SWITCH FOR HIGH VOLTAGE
Transformers works on the principle of-
Magnetism
Electromagnetism
Gravitation
Static Electricity
