NAUI Basic Scuba Final Exam: Mastering Underwater Concepts, Exams of Sport Studies

Download NAUI Basic Scuba Final Exam: Mastering Underwater Concepts and more Exams Sport Studies in PDF only on Docsity! Basic Scuba Final Exam NAUI Correct QUESTIONS & ANSWERS VERIFIED100% The density of water is ____x more dense than water - ANSWER 800 Light is ___________ as depth ______________ - ANSWER absorbed as depth increases ______ colors fade underwater, while ______ colors remain - ANSWER WARM colors fade, COOL colors remain Sound travels __x faster underwater and seems _____________ - ANSWER travels 4x faster and seems OMNIDIRECTIONAL Heat is lost __x __________ in water - ANSWER 4X FASTER You should swim with ________ ____________ _______ and present _____________ ___________ _______ - ANSWER PROPER HORIZONTAL TRIM, MINIMUM SURFACE AREA How much does one cubic foot of sea water weigh? - ANSWER 64LBS How much does one cubic foot of freshwater weigh? - ANSWER 62.4LBS What occurs when air spaces in your body and equipment reduce in size as pressure increases? - ANSWER SQUEEZES ___.__ psi at sea level - ANSWER 14.7 .___ psi per square foot of depth - ANSWER .445 At how many feet and how many psi can eardrum trauma occur? - ANSWER 8 FT/ 4 PSI 14.7 psi = ___ ft = _ atm - ANSWER 14.7psi = 33FT = 1 ATM Breathing 100% Air at ____ ft is LETHAL - ANSWER 297FT we use _____ circuit scuba - ANSWER OPEN CO2 toxicity causes _________, or getting blue lips and nail beds - ANSWER CYANOSIS Blood absorbs CO ____x faster than CO2 - ANSWER 400X CO poisoning can cause - ANSWER RED LIPS What does SCUBA stand for? - ANSWER Self Contained Underwater Breathing Apparatus TANKS come in ______ capacities, must be _______ checked annually, and ___________ tested every 5 years - ANSWER VARIED CAPACITIES, VISUAL TEST EVERY 1 YEAR, HYDROSTATIC TESTED EVERY 5 We use ________ regulators - ANSWER DEMAND What five things must a buoyancy compensator have? - ANSWER 1. LARGE DIAORAL INFLATOR 2. POWER INFLATOR 3. AT LEAST #25 POSITIVE BUOYANCY 4. RELIEF VALVE