Download PADI Open Water Certification Final Exam Practice Questions and more Exams Physics in PDF only on Docsity! PADI Open Water Certification Final Exam Practice Questions Something underwater that does not float and does not sink iscorrect answerNegatively Buoyant If an object is neutrally buoyant in salt water, what will happen to the object if put into fresh water? correct answerThe object will sink A diver is 30 meters/99 feet underwater. The water pressure at this depth would be ____ times more than the pressure at the surface.correct answerFour If I hold a glass full of air upside down, and I take it to the bottom of the swimming pool without tipping it, the density (thickness) of the air inside the glass will be ____ at the surface?correct answergreater than What should I do if I can't equalize (clear) my ears or sinuses while I am descending (going down)? correct answerStop and ascend a meter/few feet, and try to equalize again What should I do to prevent mask squeeze (a sucking or pulling feeling on my face and eyes)?correct answerBlow into my mask through my mask I put air into balloon underwater at 10 meters/33 feet and then I take it to the surface. The balloon will ____correct answerExpand (become larger) to twice the size What can happen to me if I hold my breath while ascending on a scuba dive?correct answerMy lungs can over-expand, which could cause serious injury What is the most important feature of a scuba regulator?correct answerHow easy it is to breath from Diving is easier, safer, and more fun when Icorrect answerdive with a buddy When I look at things underwater they often seem ____ than when I look at them on the surface.correct answerNearer and larger Sound travels well in water, and it is difficult to tellcorrect answerwhere the sound is coming from If I get cold while diving and I can't stop shivering (shaking), what should I do?correct answerStop diving immediately, get out of the water, dry off, and change into something warm. The dive will be easier, I will use less air and I will get less tired if Icorrect answermove slowly and steadily When breathing underwater while scuba diving, I shouldcorrect answerUse airway to control and breath slowly, deeply, and continuously (always breath, never hold my breath) A properly fitting wet suit keeps me warm bycorrect answerReducing the amount of water moving in and out of my suit If I experience overexertion, I shouldcorrect answerstop all activity, signal my buddy and rest If I am part of a three person dive buddy team and one of my buddies gets separated:correct answerAll three divers should enact the procedures for reunititng To control my buoyancy as I ascend after a dive, I shouldcorrect answerFrequently release small amounts from my BCD How can I stay with my buddy on a scuba dive?correct answerDecide who will lead the dive, which side of the leader I will be on, and where we are going to go I should take a local area orientation dive whenever Icorrect answerdive in a new place
