
Electrical Components Quiz
Quiz
•
Other
•
Professional Development
•
Practice Problem
•
Hard
Brendan Cocks
FREE Resource
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What component contains a calibrated bimetallic strip and turns off the electrical supply when the preset temperature is sensed?
Immersion Heater
Zone Valve
Cylinder Thermostat
Boiler
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the voltage for single-phase installations?
110V
230V
400V
500V
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the voltage between phases in three-phase installations?
110V
230V
400V
500V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of cable is used on appliances and equipment like pumps?
PVC two-core and earth
Flex cables
Armoured cable
Heat-resistant flex
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the neutral color code for single-phase 230V?
Brown
Blue
Green and yellow
Black
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the color code for L3 in three-phase 400V?
Brown
Black
Grey
Blue
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which step is essential to identify the correct circuit during the safe stages of isolation?
Select a suitable test meter
Prove the device is working
Identify the circuit/appliance
Recheck voltage indicator
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