Scuba Diving quiz
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What does a rebreather remove from a diver's exhaled breath?
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More questions about Scuba Diving
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Who co-invented the 1943 Aqua-Lung with Émile Gagnan?
Answer: Jacques Cousteau
Why: Its key was a demand valve that released air only when the diver breathed in, matched to the surrounding water pressure.
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How much total pressure is on a diver at 10 m in the sea?
Answer: 2 bar
Why: Every extra 10 m of seawater adds about one more bar, so a diver at 30 m is under about 4 bar.
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Who put the Rouquayrol-Denayrouze diving set in a novel?
Answer: Jules Verne
Why: Patented in 1864, the Rouquayrol-Denayrouze suit could already feed a diver air on demand.
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Which reading gives a dive computer its depth?
Answer: Water pressure
Why: Some dive computers do carry GPS, but the receiver only works at the surface, so depth comes from pressure.
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Where did a 60 m deep diving pool open in 2021?
Answer: Dubai
Why: Deep Dive Dubai holds 14 million litres of water, about as much as six Olympic swimming pools.
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Why does a wetsuit keep a diver warm?
Answer: Gas-filled foam
Why: Water pressure squeezes those bubbles, so at about 15 m the foam is roughly half as thick and keeps less heat in.
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