If you attempt to tighten a leaking hydraulic fitting with pressure on the system, you will __________.

Correct Answer: Option C — find that the pressure will prevent the components from being tightened

Attempting to tighten hydraulic fittings under pressure is dangerous and ineffective. The internal hydraulic force acts against the threads and seals, creating a mechanical bind that prevents the fitting from seating properly. Always de-pressurize the system before performing maintenance to ensure safety and prevent damage to the sealing surfaces.