Newest Pop Quiz - Tomorrows Technician

1. What are the fundamental differences between synthetic fluid and conventional DOT 3 and 4 brake fluid ?

There is no difference.
The synthetic brake fluid is made entirely of used plastic bottles
Both synthetic and conventional brake fluids start from the same “polyethylene glycol” stock. But, to make synthetic brake fluid the manufacturer will “synthesize” the original base stock and make the molecules better and more consistent. They then add the additive package to the base stock.
The color and smell.

2. Technician A says synthetic fluid might be able to last a little longer because the fluid can absorb more water before the fluid drops below a critical boiling point. Technician B says it is the additive package and environment that has the greatest impact on lifespan, no matter what type of base stock is used. Who is correct?

Technician A
Technician B
Both technicians are correct.
Neither technician is correct.

3. True or False: The higher the DOT classification, the higher the boiling point, meaning the better the fluid is at resisting heat.

True
False

4. Technician A says brake fade happens when the rotors get too hot. Technician B says brake fade is just an imaginary condition. Who's right?

Technician A
Technician B
Both Technician A and B
Neither Technician A nor B

5. Technician A says all brake fluids are compatible with each other. Technician B says DOT 5 brake fluid is made of silicone so it shouldn't be mixed with conventional fluid. Who is correct?

Technician A
Technician B
Both Technician A and B
Neither Technician A nor B

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