FAA AMT Airframe Practice Exam 2026 – Complete Exam Prep Guide

Thermocouple leads are designed for specific installations and should not be altered. This is because any alterations or modifications can affect the sensitivity and accuracy of the thermocouple. Option A is incorrect because altering thermocouple leads can lead to inaccurate temperature readings. Option B is incorrect because although thermocouple leads can be extended, this should only be done using specialized extension wires to maintain accuracy. Option D is incorrect because thermocouple leads should not be altered or modified in any way.