2026 Questions and Correct Detailed Answers Already
Graded A+
The warning light on a truck with an anti lock brake system lights when the truck
is started. When the truck is moving, the light stays on. What could be the cause?
- CORRECT ANSWER-Misadjusted wheel sensor
The driver of a truck with air brakes says it has poor stopping power. What could
be the cause? - CORRECT ANSWER-Air pressure too low
service line restricted
brakes adjusted incorrectly.
Tech A says brake shoe oil contamination should be no more that 10% of the
lining surface. Tech B says oil contamination can lead to brake imbalance. Who's
right? - CORRECT ANSWER-Both Tech A and Tech B
The driver of a truck with air brakes says that the brakes are slow to release. What
are the likely causes? - CORRECT ANSWER-Weak return springs
Plugged exhaust port
Kinked air line