Diving Study guides, Revision notes & Summaries

At an altitude of about 16,000 feet, the atmospheric pressure is approximately: 1/18th the atmospheric pressure at sea level Equal to the atmospheric pressure at sea level Twice the atmospheric pressure at sea level One-half the atmospheric pressure at sea level - Answer- One-half the atmospheric pressure at sea level If the volume of a gas is kept constant, what varies directly with temperature? The pressure All answers are correct The mixing The volume - Answer- The pressure Our ...

What will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount of water: a. more than its own weight? b. less than its own weight? c. equal to its own weight? - ANSWER a. positive b. negative c. neutral How does the buoyancy of an object differ in fresh water compared to salt water. - ANSWER Because salt water weighs more than fresh water, it causes more buoyancy (more upward force) What is the relationship between increasing and decreasing d...

CH 2 : What is the most important rule in scuba diving? never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect , unscrew the yoke knob u...

If you experience pain in the ear during descent: A - Place a finger in the ear canal and gently massage the ear until the pain ceases B - Stop the descent and ascend until the pain stops C - Continue the descent while gently exhaling into the mask D - Abort the dive - Answer- B - Stop the descent and ascend until the pain stops Earplugs: A - Protect against cold B - Protect the ears from squeeze C - Aid equalization of the middle ear D - Should never be worn while div...

At a minimum, while diving, most dive computers display: - Maximum depth, current depth, actual bottom time, remaining allowable bottom time. Which of the following is an essential feature to consider when selecting a diving mask? - Tempered or safety glass Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because: - They have too much dead air space. When buying or renting equipment for diving, the most important consideration is: - Its fit on your body. W...

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______ means the Wake County department of human services director or his/her authorized representative. - CORRECT ANS Director _____ means the certified pool operator who is responsible for the daily operation of a public swimming pool - CORRECT ANS operator _____ means the owner of the swimming pool or the responsible management company - CORRECT ANS Owner _____ _____ means the interior of the fenced area around a swimming pool including the pool itself, toilets, bathhouses, equipme...

USPA Skydiving A License Exam Study Guide Questions and Answers 100% Correct

SCUBA - Answer- Self contained underwater breathing apparatus What is the pressure change for each 10m/33ft of depth change? - Answer- 1 bar/1 ata/1 atmosphere What is the relationship between my depth in water and the pressure? - Answer- The deeper you go in water, the more the pressure increases Pressure is expressed as the weight of air What is the relationship between pressure, and the volume and the density of air? - Answer- As pressure increases, the gas volume decreases and the ...