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NAUI SCUBA test 3 with complete solutions
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NAUI SCUBA test 3 with complete solutions
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NAUI SCUBA test 3 with completesolutions
weighing systems are used by the diver primarily to offset the __________ created by
the wetsuit - Answer -positive buoyancy
sounds travels about _____ times faster in water than in air - Answer -4
scuba tanks should always have some pressure in them to prevent _______________ -
Answer -water from entering
according to the department of transportation regulations, scuba tanks must be
*hydrostatically tested* every __________ - Answer -five years
you should have your regulator serviced by a certified repair technician at least _____
per year - Answer -once
atmospheric pressure at sea level is _____ pounds per square inch, or 1 atmosphere
absolute - Answer -14.7
atmospheric pressure at sea level is 14.7 pounds per inch or _______________ -
Answer -1 atmosphere absolute
a sealed balloon filled with air that has volume of 6 cubic inches at 99 feet will have a
volume of _____ cubic inches at 33 feet - Answer -12
a diver's body heat is lost through conduction (primarily) as a rate of approximately
_____ times more rapidly than air - Answer -25
the type of pressure is defined as gauge (water) pressure plus atmospheric (air)
pressure is _____ pressure - Answer -absolute
the absolute pressure in the ocean at 53 feet is _____ atmospheres absolute - Answer -
2.61
a depth that is equivalent to one atmosphere in the ocean is equal to _____ feet in sea
water and _____ feet in fresh water - Answer -33 34
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