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Refrigeration and Air Conditioning Technician
ELECTRICAL
1) What is the unit of electrical energy?
Volt
Watt
Ampere
Kilo watt hour
2) How electrons flow in a battery circuit?
Phase to earth
Phase to neutral
Positive to negative polarity
Negative polarity to positive polarity
3) Which material is used for making disc in energy meter?
Aluminium
Copper
Brass
Zinc
4) Which type of conductor is used for bus bars?
Solid conductor
Thermal conductor
Stranded conductor
Standard conductor
5) Which property limits the flow of electrons in an electrical circuit?
Voltage
Current
Resistance
Conductance
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