Lesson 1: Scuba Diving Flashcards

1
Q

was used where the idea was to trap the air inside the container where the diver swims out until he or she runs out of breath then returns to the bell to replenish air

A

simple cauldron in the shape of a bell

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2
Q

what year was a simple cauldron in the shape of a bell used

A

1300s

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3
Q

who developed an improved diving bell

A

Edmund Halley

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4
Q

he built the “diving engine”

A

John Lethbridge

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5
Q

what year did was the improved diving bell developed?

A

1690

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6
Q

an underwater oak cylinder supplied with compressed air from the surface

A

diving engine

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7
Q

what year was the diving engine built?

A

1715

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8
Q

invented originally for firefighters

A

smoke helmet

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9
Q

who invented the smoke helmet?

A

Charles Anthony Deane

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10
Q

what year was the smoke helmet invented?

A

1823

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11
Q

it had a cylindrical belt around the diver’s trunk that served as an reservoir

A

SCUBA

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12
Q

he invented the first workable, full time SCUBA

A

William James

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13
Q

year the first scuba was invented?

A

1825

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14
Q

it completed the diving helmet of Deane and became the standard diving dress

A

diving suit

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15
Q

A German inventor who innovated a closed diving suit

A

Augustus Siebe

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16
Q

in what year was the diving suit invented?

A

1837

17
Q

when was the first diving school established by the royal navy?

A

1843

18
Q

where the diver carries a steel tank of compressed air and is connected through a valve which goes to the mouthpiece

A

aerophore

19
Q

who patented the aerophore?

A

Benoit Rouquayrol and Auguste Denayrouze

20
Q

what year was the aerophore patented?

A

1866

21
Q

he developed the first self-contained diving gear that used compressed oxygen

A

Henry A. Fleuss

22
Q

year the first self-contained diving gear that used compressed oxygen

A

1876

23
Q

provided compresses air divers in the slightest and later on called as

A

aqualung

24
Q

they redesigned a car regulator which later became the aqualung

A

Jacques Cousteau and Emile Gagnan

25
Q

year the aqualung was invented

A

1943

26
Q

True or False

Temporary restrictions to dive are given to those with colds, flu, injured or pregnant.

A

True

27
Q

True or False

Disabilities do not hinder anyone from scuba diving.

A

True

28
Q

True or False

A child as young as ten years old can start learning in shallows

A

False

A child as young as eight years old can start learning in shallows

29
Q

True or False

A 10 year old can be qualified to train and be certified as Junior Open Water Diver, while an 18 year old can apply for an Open Water Certificate

A

False

A 10 year old can be qualified to train and be certified as Junior Open Water Diver, while an 15 year old or older can apply for an Open Water Certificate

30
Q

creates the air pocket to have a clearer view of the underwater life

A

dive mask

31
Q

is a breathing tube allowing you to inhale and exhale through your mouth when swimming face down on water surface

A

snorkel

32
Q

let’s you breathe underwater. it connects to your tank and delivers air to your mouth when you inhale

A

regulator

33
Q

helps control the position in the water column. if air is added in an internal bladder, then one rises toward the surface. by removing air from it, one sinks.

A

BCD or Buoyancy Control Device

34
Q

backup regulator. it usually has a longer hose and a bright yellow body

A

octopus

35
Q

shows how much of the air is left

A

SPG or Submersible Pressure Gauge

36
Q

contains pressurized air which allows one to breathe and to stay longer underwater

A

scuba tank

37
Q

provide the propulsion that makes it possible to swim with lesser effort

A

fins

38
Q

provides protection from the coldness of the water and other elements

A

scuba or wet suit