PADI Equipment Practice Study Questions 2024.
PADI Equipment Practice Study Questions 2024. Most of the recent regulators, alternate air sources, SPGS and BCDs can be used with EANx blends of up to ___________ percent oxygen without modification, but you do need __________________________________. a) 21; an oxygen clean cylinder b) 32; a properly labeled cylinder c) 40; special enriched air diving training d) 100; lower pressure cylinder fills - correct answer c) 40; special enriched air diving training You're planning a dive in an area where there is a possibility of passing boat traffic, so you decide to tow a surface buoy on the dive. You have a surface buoy, dive flag and line. You should also take ______________ underwater to help with this extra equipment. a) a mesh bag b) a reel c) various clips d) a torch - correct answer b) a reel One difference between diving on open-circuit scuba system (with one cylinder) and diving with a closed-circuit rebreather is that in open-circuit diving a) the partial pressure of nitrogen in the breathing mix stays the same throughout a multilevel dive. b) buoyancy control is only controlled by your breathing c) the air is recycled and then vented through the regulator exhaust d) the ratio of gases in the breathing mix remain the same throughout the dive - correct answer d) the ratio of gases in the breathing mix remain the same throughout the dive
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