Underwater Study guides, Revision notes & Summaries

SSI Open Water Diving Certification 2023 new material questions and answers Which of the statements concerning sound transmission underwater is incorrect? -A: Sound will travel farther underwater then in air -B: Divers find it difficult to locate the direction of a sound producing source -C: Divers find it easy to talk to each other directly through water -D: Sound travels four times faster underwater than in air - ANS C The absolute pressure expressed in terms of atmospheres absol...

PADI Open Water 2023 Exam Questions with All Correct Answers What is the most important rule of scuba diving? - ANSWER Do not hold your breath Breathe continuously What are the consequences of breaking the most important rule in scuba diving? - ANSWER Lung over expansion severe injuries, death What is a reverse block? - ANSWER pain and discomfort caused by expanding air trapped inside an air space during ascent What should you do if you feel discomfort during a...

a good reason to take the NAUI Advanced Scuba Diver Course is - to increase your diving abilities, to get oriented to new dive sites, you recently moved into a new diving area the NAUI Advanced Scuba Diver Course is likely to include orientation to which of the following subjects - Exploration and Underwater Mapping while you will receive an introduction to some of the specialty areas of diving, you will not receive enough training to be considered proficient in them - true dive preparatio...

Pathophysiology C805 WGU (Latest Version) Already Passed MRSA Red, swollen, may look like a boil with pus. Also skin rash or sore. Transmitted usually skin to skin. Infection can spread to the lungs, causing pneumonia, or to the bloodstream. MRSA What disease requires a diagnosis with a rapid blood test (StaphSR assay) and can be treated by draining a skin sore and/or antibiotic therapy? Malaria Disease w/ symptoms such as fever, chills, sweating, headache, nausea, vomiting, and other flu like...

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 gas ...

ASA 101-Practice test | QUESTIONS AND ANSWERS When sailing, always be aware of the wind's ______ and _______ speed, direction The desirable force generate______. lift The direction relative to the wind in which the sailboat cannot sail is called the_______. no-sail zone Sailboats can reach an upwind destination by sailing a _______ course. zig zag The point of sail at the edge of a no-sail zone is called_________. close-hauled A boat sailing across the wind is said to be __________...

SSI Open Water Diver Exam Questions and Answers All Correct One atmosphere of pressure is defined as: a) Each 34 feet of depth in freshwater b) each 33 ft. of depth in saltwater c) 1 ata d) All answers are correct. - ANSWER All answers are correct The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is: a) 1 ata b) 3 ata c) 2 ata d) 4 ata - ANSWER 2 ata Underwater, the bending of light rays causes objects ...

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 ...

There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and one grounding conductor and one equipment grounding conduct...

PADI Open Water Exam Questions with All Correct Answers 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...