
Understanding Relay Functions and Standards
Interactive Video
•
Science, Computers, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do automotive relays use numbers like 30, 85, 86, and 87?
They are based on the size of the relay.
They are random numbers chosen by manufacturers.
They are part of a standard set by the German Standards Institute.
They represent the years when relays were invented.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the Deutsches Institute for Normung (DIN) in automotive electronics?
It provides training for automotive engineers.
It manufactures automotive parts.
It sets standards for various industries, including automotive electronics.
It designs vehicles for German manufacturers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes a DIN type B relay from a type A relay?
The color of the relay casing.
The manufacturer of the relay.
The order of terminal numbers.
The size of the relay.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to know the type of relay before replacing it?
To ensure it is from the same manufacturer.
To ensure it fits in the relay socket.
To avoid potential damage to expensive computer components.
To match the color of the relay with other components.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the resistor in a relay's coil circuit?
To enhance the relay's magnetic field.
To increase the voltage output.
To protect computer components from voltage surges.
To decrease the relay's size.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of terminal 85 in a relay?
It is the main power terminal.
It is used for connecting the load.
It is the ground terminal.
It is always connected to the power source.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in a relay is responsible for switching the circuit?
The terminal 30.
The magnetic coil.
The resistor.
The terminal 87.
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