Question 1

What is the primary function of a relay?

Accepted Answer

To open or close a circuit based on a control signal

Answer

To increase voltage

Answer

To provide power to a circuit

Answer

To measure current

Question 2

Which component in a magnetic starter protects against overload?

Accepted Answer

Overload relay

Answer

Coil

Answer

Contactor

Answer

Switch

Question 3

What tool is essential for tightening connections in relay installation?

Accepted Answer

Screwdriver

Answer

Multimeter

Answer

Pliers

Answer

Wire cutter

Question 4

What safety precaution should be taken before installing a relay?

Accepted Answer

Wear insulated gloves

Answer

Use a hammer

Answer

Connect the wires loosely

Answer

Ensure the circuit is live

Question 5

What does the coil in a relay do?

Accepted Answer

Creates a magnetic field to close the contacts

Answer

Provides insulation

Answer

Acts as a fuse

Answer

Generates heat

Question 6

What is a magnetic starter primarily used for?

Accepted Answer

Motor control

Answer

Lighting circuits

Answer

Voltage regulation

Answer

Power distribution

Question 7

Which part of the relay allows the circuit to open or close?

Accepted Answer

Contact points

Answer

Coil

Answer

Switch

Answer

Armature

Question 8

Why is it important to follow a wiring diagram during installation?

Accepted Answer

To ensure proper connections and avoid errors

Answer

To finish the task quickly

Answer

To avoid using tools

Answer

To use fewer wires

Question 9

What happens when the relay coil is energized?

Accepted Answer

The contacts open or close

Answer

The circuit shuts down

Answer

The relay heats up

Answer

The voltage decreases

Question 10

What is the first step in installing a magnetic starter?

Accepted Answer

Turn off the power supply

Answer

Tighten all screws

Answer

Mount the starter on the panel

Answer

Connect the load

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