Electrical Meter and Grounding Quiz

What is the main function of an electric meter?

• Measure the amount of resistance in a circuit

• Measure energy consumption in kilowatt-hours (kWh)

• Supply power to household appliances

• Increase the voltage of the electricity supply

Which type of electric meter is commonly used in households?

• Flat-rate meter

• Solar meter

• Interval meter

• Bi-directional meter

Which of the following is the correct standard unit for measuring electrical energy?

• Amperes (A)

• Volts (V)

• Kilowatt-hours (kWh)

• Ohms (Ω)

What is the minimum and maximum height requirement for installing an electric meter box?

• 3 to 5 feet

• 4 to 6 feet

• 5 to 7 feet

• 6 to 8 feet

What color is commonly used for the ground wire in electrical installations?

• Red

• Blue

• Green

• Black

Why is it important to install a grounding system in an electrical setup?

• To increase power supply

• To protect people and appliances from electrical faults

• To allow more appliances to be connected

• To reduce electricity bills

Which of the following is NOT a part of an electrical meter connection?

• Ground rod

• Circuit breaker

• Water pipe

• Meter base

What is the function of a breaker box in an electrical system?

• To increase voltage supply

• To protect circuits from overloading and short circuits

• To reduce power consumption

• To store excess electricity

How is a household electric bill calculated using an analog meter?

• By adding the current and previous readings

• By multiplying the meter number by 10

• By subtracting the previous reading from the current reading

• By dividing the meter number by the total energy used

Which of the following best describes 'service entrance' in an electrical system?

• The place where electricity enters the house from the utility company

• A device used to store extra electricity

• The main power switch inside the house

• A meter used to measure solar energy