SDI OPEN WATER SCUBA DIVER EXAM QUESTIONS|VERIFIED|ACCURATE ANSWERS 2024

SDI OPEN WATER SCUBA DIVER EXAM QUESTIONS SDI OPEN WATER SCUBA DIVER EXAM QUESTIONS|VERIFIED|ACCURATE ANSWERS 2024 Objects under water appear - Accurate AnswerCloser and larger than they do on land. How much faster does sound travel in water, compared to air? - Accurate Answer4 times. Water conducts heat away from your body - Accurate Answer25 times faster than air does. As you descend - Accurate Answercolors fade, reds and oranges fade first, 30 meters seem blue and gray. Water temp does your body need thermal protection - Accurate Answer86 degrees. What does SCUBA mean - Accurate Answerself-contained underwater breathing apparatus. When water stratifies itself into layers, according to temperature, the boundary between layers is known as a(n): 1: Halocline. 2: Ichtyocline. 3: Thermodyne. 4: Thermocline. - Accurate AnswerThermocline What is the primary cause of waves? - Accurate Answerwind. Which of the following factors do we take into account when measuring waves? - Accurate AnswerHeight, Length. Which of the following is incorrect? - Accurate AnswerWaves are not hazardous to divers during shore dives. The consequences of becoming cold under water include the following except - Accurate Answerimproved judgment and coordination. Because sound travels faster under water: - Accurate AnswerIts harder to determine the direction from which a sound is coming. Entering through surf requires special skills. These skills are often included in beginning scuba course taught in areas in which surf entries are common - Accurate Answertrue Which of the following are true - Accurate AnswerSurge is the back-and-forth movement of water caused by passing over head. Which of the following are true - Accurate AnswerThe sun warming water near the equator, coupled with the earth's rotation, is the primary cause of permanent ocean currents. Despite its apparent warmth, divers in warm waters still need to consider to wear protection - Accurate Answertrue Longshore currents always move in the same direction as prevailing offshore currents - Accurate Answerfalse. A rip current is a narrow flow of swiftly moving water that runs parallel to shore - Accurate Ans