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Testing of elevation, extension, and rotation locks is conducted by placing _____________ on the cylinders and measuring movement when there is no hydraulic power to the cylinder.

1) tremolo acoustics
2) dye paint markings
3) dial indicators
4) ultrasonic meters

Answer :

Final answer:

Dial indicators are used to test the movement of elevation, extension, and rotation locks when there is no hydraulic power to the cylinder.

Explanation:

The testing of elevation, extension, and rotation locks is conducted by placing dial indicators on the cylinders and measuring movement when there is no hydraulic power to the cylinder.

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