Damage Controlman (DC) A School Test 1 Practice 2026 - Free DC Practice Questions and Study Guide

Redundancy and alternate control paths are built into hydraulic systems so you can keep operating even if one actuator fails. When a 5-pound actuator in the hydraulic fluid power system fails, the proper move is to switch control to a different station and activate the system from there. This keeps the system functional, preserves control of the hydraulics, and allows continued damage-control actions while the fault is addressed. Trying to repair on the spot during an emergency isn’t always feasible, and resetting the actuator or retrying won’t fix a real failure and wastes valuable time. Ignoring the failure is unsafe because the system could be partially or completely inoperable.