What is indicated when you fully apply independent brakes during the test?

When you fully apply the independent brakes during the test, it indicates that the brakes are functional. This test is designed to ensure that the brake system responds correctly when activated. A successful full application shows that the brake components, such as the control valves and air hoses, are working properly and effectively stopping the train.

If the independent brakes function as expected, it reassures the operator that the braking system is operational and safe for use during train operations. This performance check is vital to maintaining safety standards in rail operations, as any deficiencies must be addressed before the train is put into service.

Other scenarios indicate various issues: inoperative brakes suggest a failure in the system that could compromise safety, a need for repair indicates that some components aren't functioning as required, and excess leakage points to a potential issue with air pressure retention in the braking system. Each of these conditions requires further investigation or action to ensure safe train handling.