HomeASE Auto Test PrepQuestion 4 of 10
ASE Auto Test PrepQuestion 4 / 10

Which type of brake fluid is specifically known for having low hygroscopic properties?

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✓ Correct answer: A. DOT 5 DOT 5 brake fluid is silicone-based and known for having low hygroscopic properties, meaning it absorbs minimal moisture from the air. This characteristic makes it ideal for certain applications, especially where moisture absorption could be critical. In contrast, DOT 3, DOT 4, and DOT 5.1 are glycol-based fluids and do absorb moisture.

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