Question 1

What is the function of a relay in an electrical circuit?

Accepted Answer

To control a circuit using a low-power signal

Answer

To generate electricity

Answer

To increase voltage

Answer

To reduce current

Question 2

Which component protects against overload in a magnetic starter?

Accepted Answer

Overload relay

Answer

Coil

Answer

Contactor

Answer

Armature

Question 3

What should be done before starting any electrical installation?

Accepted Answer

Test the circuit with a multimeter

Answer

Turn on the circuit breaker

Answer

Tighten all screws

Answer

Connect the power supply

Question 4

Which tool is used to strip insulation from wires?

Accepted Answer

Wire stripper

Answer

Pliers

Answer

Screwdriver

Answer

Wrench

Question 5

What happens when a relay coil is energized?

Accepted Answer

The contacts open or close

Answer

The relay heats up

Answer

The voltage decreases

Answer

The circuit turns off

Question 6

Which of the following is a type of relay?

Accepted Answer

Thermal relay

Answer

Fuse

Answer

Capacitor

Answer

Voltage regulator

Question 7

What is the main purpose of a magnetic starter?

Accepted Answer

To control electric motors

Answer

To regulate voltage

Answer

To control lighting circuits

Answer

To distribute electricity

Question 8

Why is it important to follow wiring diagrams during installation?

Accepted Answer

To ensure correct connections and avoid errors

Answer

To speed up the installation process

Answer

To use fewer wires

Answer

To reduce the cost of materials

Question 9

What safety gear should be worn when working with electrical circuits?

Accepted Answer

Insulated gloves and safety goggles

Answer

Cotton gloves

Answer

Leather boots

Answer

Baseball cap

Question 10

Which component in a relay controls the movement of the contacts?

Accepted Answer

Coil

Answer

Contact points

Answer

Armature

Answer

Base

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