How do you exhale while scuba diving?

How do you exhale while scuba diving?

We know that nose breathing is best for your lung health, but with the scuba equipment, a diver must breathe out of their mouth with the help of a regulator that is connected to an oxygen tank.

How do you signal air in scuba?

To ask them how much air they have, you’ll tap two fingers lightly onto the palm of your opposite hand, with your palm facing upward or outward. In response, your buddy will signal how much air he has by holding up fingers to represent the bar/psi shown on his gauge.

How do you signal air?

The hand signal for low air is to hold a clenched fist over the center of the chest. This should be done when your gauge reads 500 PSI or less. When a SCUBA diver signals they are running low on air, others must immediately prepare to share their air supply — not just their buddy.

How do you dry out BCD?

Coming to the BCD, the outside isn’t such a problem, but drying the inside is another story. The easiest way is to inflate the BCD and drain any remaining water through inflator hose or dump valves. Repeat a couple of times for best results, then leave the BCD inflated and let it dry.

How do I vent the air from my BC?

VENTING AIR FROM THE BC 1 Practically every modern BC can be vented this way. On some BC models, you can tug sharply on the BC hose itself to… 2 Lean your body slightly to the right, so your left shoulder is the highest point of your body. 3 Press and hold the deflate button located on the end of the hose to vent air from the BC. More

How does a BCD work on a dive boat?

Divers wear this piece of equipment, which contains a bladder to hold air, like a jacket or vest. Your BCD is connected to the air in your tank via the “Low Pressure Inflator Hose”. It is also equipped to be “orally inflated” should there be a problem with the mechanism to add air from the tank.

How do I get air out of my BCD?

If for some reason you are head-first and your fins are high above you, this means any air in your BCD will actually be in the bottom of your jacket. Most BCDs come with a “Dump valve” to release air from a head-first position underwater. Feel around the bottom edge of your BCD for the cord and a little tug should allow a burst of air to escape.

How do I use the BC to deflate the air?

If your BC has this feature, you can use it to dump air quickly. Otherwise, with your left hand, hold the inflator hose over your head and stretch it upward. 2) Lean your body slightly to the right, so your left shoulder is the highest point of your body. 3) Press and hold the deflate button located on the end of the hose to vent air from the BC.