To manually rotate the GE LM2500 gas turbine engine, you should use which of the following tools?

Correct Answer: Option B — A socket wrench with an 18-inch long 3/4-inch drive extension.

Manual rotation of the LM2500 rotor requires specific tooling to ensure safe and controlled movement during maintenance. A socket wrench equipped with an 18-inch long 3/4-inch drive extension provides the necessary reach and mechanical leverage to engage the rotor turning gear interface without damaging the engine's internal components.