SDI Chapter three: Scuba Equipment
Exam Questions and Answers | 100%
Pass
What is the main purpose of a snorkel? - Answer-A snorkel allows you to
conserve air form you scuba cylinder.
How do you know if a mask fits correctly? - Answer-First, you need to press the
mask against your face withou...
What is the main purpose of a snorkel? - Answer✔✔-A snorkel allows you to
conserve air form you scuba cylinder.
How do you know if a mask fits correctly? - Answer✔✔-First, you need to press the
mask against your face without using the strap Then make sure there's no hair under
the skirt of the mask while inhaling slightly. If the mask tightens against your face and
doesn't fall off, it's a good fit.
Name at least one visual and one audible rescue signaling device - Answer✔✔-Your
safety sausage, or a whistle/horn.
Name two basic fin designs and describe the main features of each. - Answer✔✔-
Open heel fins are used with boots and full foot fins are used barefooted.
What is the main difference between a wet suit and a dry suit? - Answer✔✔-Wetsuits
keep divers warm by trapping a layer of water between the wet suit and the diver's
body. While dry suits keep a layer of air between the dry suit and the diver's body.
What extra attire can enhance a diver's warmth when worn with a wet or dry suit? -
Answer✔✔-Some extra attire diver's can use are boots, hoods, and gloves.
Name two functions of wet suit boots. - Answer✔✔-Two functions are protection and
for warmth.
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