Open Water Dive PADI Exam Questions And Answers Verified 100% Correct

Open Water Dive PADI Exam Questions And Answers Verified 100% Correct What are two techniques to block water while breathing? - ANSWER 1) Inhale slowly and look down. This traps water in the mouthpiece 2) Raise your tongue to the roof of your mouth. This blocks water so air can flow around it What is the recall phrase used for a safety check? - ANSWER Begin With Review And Friend What are the steps of a safety check? - ANSWER B- BCD, inflator connection, cylinder placement, signaling devices W- Weight, distribution, quick release R- know how buddie's releases work A- test breathe regulator and check PSI F- final check If my buddy and I get separated the general procedure is to - ANSWER Look for each other for no more than a minute then reunite in the surface What do you do if you reach your ascent pressure before you teach your ascent point? - ANSWER Surface where you are and swim on the surface with your snorkel What position makes equalizing easier as you descend? - ANSWER Keep your head above your feet Does buoyancy increase or decrease as you descend? - ANSWER Buoyancy decreases as you descend which means you will sink faster unless you adjust for it What do you never do to your BCD during ascent? - ANSWER Never add air to your BCD during ascent. You should release air from your BCD as you ascend What is the maximum ascent rate? - ANSWER 60 feet/minute but most dive computers require a slower rate of 30 feet/minute If you do not have a computer how do you time your ascent? - ANSWER Use your timer and depth gauge to ascend no faster than 10 feet every 10 seconds What is a safety stop? - ANSWER A pause in ascent between 20 feet and 10 feet for 3- 5 minutes to give body tissues time to release dissolved gases Where do you place your hands as you break the water's surface? - ANSWER Keep one hand up as you surface What are the steps to a giant stride entry? - ANSWER Hold regulator and mask. Step in. Signal OK. Switch to snorkel What are the steps to a ladder exit? - ANSWER Hand up fins. Switch from snorkel to regulator and breathe from regulator until you're all the way on board Define thermocline - ANSWER The boundary between a warmer upper layer and a cooler deeper layer Where is a current strongest? - ANSWER At the surface How do you plan a dive with a current? - ANSWER Descend into the current where it is weaker, then begin the dive swimming against the current What do you do if you're caught in a rip current? - ANSWER Establish buoyancy and swim parallel to the shore until clear of the rip If I hear the boat's recall signal I should - ANSWER Surface where I am and look to the boat for instructions Why is it not a good idea to swim close to the surface? - ANSWER Boats can't see you but you will not be low enough to stay clear of them The ___line helps you to pull yourself against a current on the surface - ANSWER A swim line A ____ line helps you to pull yourself to the bottom - ANSWER A mooring line During a boat dive in mild to moderate current I lose my grip on the mooring line as I am coming up. What should I do? - ANSWER Surface and swim across the current to the trail line What do you do if you have a free flowing regulator? - ANSWER Do not seal your mouth on the air piece. Let excess air escape freely. Sip the air When is it best to use a controlled emergency ascent? - ANSWER When you are completely out of air, no deeper than 20-30 feet and your buddy is not close What is important to do during a controlled emergency ascent? - ANSWER Say ahhhh as you're ascending. Vent air in your BCD to control your ascent How close should you stay to a dive flag? - ANSWER Within 50 feet How far away should other boats stay from a dive flag? - ANSWER 200 feet What is the maximum depth for recreational diving to avoid O2 toxicity? - ANSWER 130 feet Define a no stop limit - ANSWER A no stop limit is the maximum time you can spend at a given depth and still ascend directly to the surface (when you don't need to stop to decompress built up nitrogen) The no stop time ____ as depth increases. - ANSWER No stop time decreases as depth increases How long do you need to stay at the surface for the second dive to be considered a clean dive? - ANSWER 12 hours What is the time between two dives? - ANSWER Surface interval What is a repetitive dive? - ANSWER Diving with residual nitrogen still in your body On a repetitive dive my no stop limits will be ___those of the first dive. - ANSWER Shorter than How many hours do you need to wait after diving before you can fly? - ANSWER 18 hours When diving at an altitude of ___feet or higher I need to use altitude diving procedures. - ANSWER 1000 feet What is a decompression stop? - ANSWER Unlike a safety stop that era on the side of caution, a safety stop is required. It means you overstayed your time at the bottom. Safety stops keep you within normal limits. Decompression stops return you from outside limits. What do you do if you miss a required decompression stop (go over the no stop limit)? - ANSWER Breathe 100% O2 and don't dive for 24 hours At what depth do most divers experience gas narcosis? - ANSWER 100 feet What is the maximum - ANSWER What are the symptoms of decompression sickness (bends)? - ANSWER Paralysis, dizziness, tingling, joint and limb pain, shock, numbness, difficulty breathing, weakness and prolonged fatigue, loss of consciousness