Control Relay and Ice Cube Relay Quiz

What happens to the contacts of a control relay when the coil is energized?

• They short circuit.

• They disconnect completely.

• They change state.

• They remain in their normal state.

Why is the relay referred to as an 'ice cube' relay?

• Because it is cold to the touch.

• Because it is transparent like ice.

• Because it is shaped like a cube.

• Because it is used in cold environments.

In the wiring diagram, what do pins 2 and 7 represent?

• The power supply.

• The ground connection.

• A1 and A2, the hot and neutral.

• The output terminals.

What is the function of a normally closed contact in a control relay?

• It opens when the relay is energized.

• It remains open regardless of the relay state.

• It closes when the relay is energized.

• It remains closed regardless of the relay state.

How can the control relay be used in practical applications?

• To store electrical energy.

• To control lights and direct power.

• To heat up electrical components.

• To measure electrical resistance.