Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

Why is checking only for a 90-degree angle between slack adjuster and pushrod not a reliable adjustment verification?

The angle depends on pushrod length and installation geometry, not adjustment alone The angle is always exactly 45 degrees on a good brake The method works only if the low-air warning is disconnected It measures reservoir moisture instead of stroke

Correct Answer:

The angle depends on pushrod length and installation geometry, not adjustment alone

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