(2025 EXAM) MK 20 APENDIX B

Question 1

1. The divator hatch and OTS ABV-2 are rated to what depth and temp?

Answer 1

190fsw, 28 degrees

Question 2

The divator hatch and OTS ABV-2 allow what?

Answer 2

Diver to breath ambient air while on surface

Question 3

Rotating the ABV-2 counterclockwise does what?

Answer 3

Opens the valve to allow breathing ambient air

Question 4

When testing the Omni-swivel, you must slowly pressurize swivel assembly to ____ pounds per square inch gauge (psig) as
required and turn swivel to a ___degree angle?

Answer 4

145 pounds per square inch gauge (psig) and turn swivel to a 90-degree angle.