MK-20 / KM-37 Portable Surface Supplied Diving Systems Practice Test

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In what situation would you use the auto positive pressure test?

During emergency surface procedures

After equipment maintenance

To check valve seal

Using the auto positive pressure test is primarily designed to check the valve seal on diving equipment. This test simulates conditions that the valve would encounter during actual use, ensuring that it maintains a proper seal under pressure. By applying positive pressure, divers can identify any leaks or weaknesses in the valve, which is crucial for ensuring the safety and reliability of the diving system.

This check is especially important after maintenance on the equipment or as part of routine checks to prevent failure during dives. However, the specific purpose of the auto positive pressure test is to confirm the integrity of the valve seal, making it essential for operational safety.

During routine pre-dive checks