During a brake test, an apparatus weighing 10,000 pounds or less should stop within what distance?

Answer: B — 25 feet

When conducting a brake test on an apparatus that weighs 10,000 pounds or less, it should be able to come to a complete stop within a distance of 25 feet when traveling at a speed of 20 miles per hour. This standard is designed to ensure that emergency braking systems are effective and that the vehicle can stop safely and reliably in a controlled distance under normal operating conditions. This requirement is critical for ensuring the safety of both the operator and others on the road or at an incident scene. Achieving the stopping distance of 25 feet demonstrates that the braking system functions correctly, allowing for prompt response and preventing accidents.