UPDATED QUESTIONS AND ANSWERS SURE A+
✔✔bcd and weight system - ✔✔what two pieces of equipment do I normally use to
control buoyancy?
✔✔chest expands when inhaling (increasing water displacement) - ✔✔how does
breathing affect your buoyancy?
✔✔buddy system - ✔✔diving with another diver or divers in a team that provides shared
assistance and safety benefits
✔✔practicality, safety, fun - ✔✔three benefits of the buddy system
✔✔suitability, fit, comfort - ✔✔three most important considerations in choosing scuba
equipment
✔✔to see clearly - ✔✔most important feature of the mask
✔✔to equalize - ✔✔why must the mask enclose the nose?
✔✔scrub interior with mask cleaner - ✔✔how do i prepare my mask?
, ✔✔to save air - ✔✔why are snorkels important to have?
✔✔left - ✔✔what side of the mask does your snorkel go on?
✔✔to efficiently swim through water - ✔✔why are fins important to have?
✔✔adjustable strap fins - ✔✔open at the heel and straps hold them in place
✔✔full foot fins - ✔✔enclose the heel and fit like snug shoes or slippers
✔✔BCD (buoyancy control device) - ✔✔holds the kit together and allows you to adjust
buoyancy throughout the dive
✔✔regulator - ✔✔delivers breathing air at the surrounding pressure when you inhale
and directs exhaled air into the water
✔✔weight system - ✔✔holds lead weigh to counteract the positive buoyancy of your
body and some of your equipment, with a mechanism for dropping some or all in an
emergency
✔✔BCD, regulator, cylinder, weight system - ✔✔the four equipment systems coming to
make a scuba kit
✔✔inflatable bladder, cylinder band and harness jacket, LPI, overpressure valves,
weight system - ✔✔the five components that make up a BCD
✔✔first stage - ✔✔supplies air to all the other components; connects to cylinder
✔✔second stage - ✔✔breathe from this part; delivers air only when you inhale, using
one way valves
✔✔alternate air source - ✔✔an extra second stage you use for sharing air with a buddy
should the need arise
✔✔alternate inflator regulator - ✔✔combines a second stage with your BCD low-
pressure inflator
✔✔pony bottles - ✔✔small cylinders with their own regulators
✔✔yoke system - ✔✔holds the first stage to the cylinder with a clamp system
✔✔cylinder - ✔✔an aluminum or steel alloy container made specifically for storing high
pressure air