SSI Open Water Diver Final Exam – Complete Questions and Correct Answers

SSI OPEN WATER DIVER FINAL EXAM
QUESTIONS AND CORRECT 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 - ANSWER: C


The absolute pressure expressed in terms of atmospheres absolute at 33 feet
in sea water is:
-A: 2 ata
-B:1 ata
-C: 4 ata
-D: 3 ata - ANSWER: A


The condition in which certain colors are diminished as depth increases is
called:


-A: Refraction
-B: Turbidity
-C: Diffusion
-D: Absorption - ANSWER: D

, Earplugs:


-A: Aid equalization of the middle of the ear
-B: Protect against cold
-C: Should never be worn while diving
-D: Protect ears from squeeze - ANSWER: C


Gauge pressure is defined as:


-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata - ANSWER: D


Sinus squeeze can be prevented by:


-A: Valsalva technique
-B: Wearing earplugs
-C: Tilting the divers head back and forth
-D: Not diving with a cold - ANSWER: D


The event that led to the use of the acronym SCUBA to describe diving was:


Development of what and when? - ANSWER: Demand regulator in 1943


Ear squeeze can be prevented by