What is the function of device "A" shown in the illustration? MO-0110
Official USCG Answer & Rule Citation
Correct Answer: Option D — It serves as a hinge for ease of opening the shell.
The device identified as a hinge on the evaporator shell is designed to facilitate maintenance. By acting as a pivot point, it allows the heavy shell cover to be swung open safely, providing access to the internal tube bundles for inspection, cleaning, or replacement during routine maintenance.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.