Back to basics here and the Air Sharing drill every covered during their Open Water Diver Course and Rescue Diver Course.
Do you remember what to do in the unlikely event of an out of air situation?
This skill is covered at a leadership level in our PADI Divemaster course.
Lot's people will say the inflation mechanism or that it looks cool but I'm afraid their all mistaken.
When selecting a BCD you'll check out the sizing options for both your height and your weight. The BCD's primary function is to make sure you float and then secure all of the equipment.
If the number one rule of SCUBA diving is to always breathe and never hold your breath. Rule number two is always be positively buoyant at the surface!
You have noticed that in the modern text it's referred to as Gas Narcosis rather than Nitrogen Narcosis.
All gases will become narcotic at some point when breathed under pressure and one of the symptoms can be displaying foolish behavior amongst other things.
Ever thought of making the dive into becoming a professional? Follow the link to check out our details PADI Divemaster program.
Back to basics with this question. Grab your eRDPml and choose Dive Planning-First Dive-Depth 28 metres and your answer will pop up on the screen.
The constants on PADI exams is always listed at the top of question sheet so there's no need to attempt to memorize them.
This question is in fresh water so the pressure per metre is 0.097 ATM. It's also stating it's looking for the gauge pressure. This means it is zeroed at the surface and doesn't include the pressure exerted by the ambient air.
The sum becomes pretty straightforward once you have this information dialed in. it's depth (16) multiplied by pressure (0.097).