Control Relay and Ice Cube Relay Quiz
Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
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