What pre-dive checks are specific to dry suits?

Checking for leaks and inspecting valves are crucial pre-dive checks specific to dry suits because ensuring the integrity of the suit is essential for safe diving. A leak in the dry suit can lead to water entering, negating the purpose of the suit and potentially causing the diver to become cold, uncomfortable, or even dangerous situation if the water is frigid. Inspecting the valves, such as the inflator and exhaust valves, is equally important because they control the suit's buoyancy and allow the diver to manage air pressure within the suit. Proper function ensures that the diver can appropriately adjust buoyancy during the dive, maximizing comfort and safety.

Other options contain important checks for diving in general but are not specific to dry suits, making them less relevant in this context. Calculating dive depth and duration pertains to understanding the dive profile and managing no-decompression limits. Inspecting weight belts and buoyancy devices relates to overall buoyancy control but does not address the unique aspects of dry suits. Verifying tank pressure and functionality is critical for any dive, ensuring adequate breathing gas supply, but it does not pertain to the distinctive needs of dry suit preparation.