SSI Open Water Diver Exam Questions and Answers All Correct
Question : Proper equalization techniques must be learned in
order to: a) Prevent ear pain b) Prevent sinus squeeze c)
Prevent squeeze injuries d) All of the above
CORRECT ANSWER : d) All of the above
Question : The absolute pressure expressed in terms of
atmospheres absolute at 33 feet in sea water is: a) 2 ata b) 1
ata c) 3 ata d) 4 ata
CORRECT ANSWER : a) 2 ata
Question : The first symptom of a sinus squeeze is usually: a) A dull pain deep within the head b) A sharp pain or wedging sensation above the eyes c) A crushing pain high in the chest
d) A sharp pain at the base of the neck
CORRECT ANSWER : b) A sharp pain or wedging
sensation above the eyes
Question : Which of the statements concerning sound
transmission underwater is correct? a) Sound travels four
times faster underwater than in air b) Sound will travel farther underwater than in air c) Divers find it difficult to locate the direction of a sound producing source d) All of the above
CORRECT ANSWER : d) All of the above
Question : One atmosphere of pressure is defined as: a) Each 34 feet of depth in freshwater b) Each 33 feet of depth in sea water c) 1 ata d) All of the above
CORRECT ANSWER : d) All of the above
Question : The purpose of equalization is to: a) Prevent water from entering air spaces in the body b) Remove all fluids from body air spaces c) Ensure the uneven application of pressure between the water and air spaces in the body d) Introduce additional air into body air spaces in response to increasing external pressure
CORRECT ANSWER : d) Introduce additional air into body
air spaces in response to increasing external pressure
Question : Earplugs: a) Should never be worn while diving b) Aid equalization of the middle ear c) Protect against cold d) Protect the ears from squeeze
CORRECT ANSWER : a) Should never be worn while
diving
Question : If a flexible air- filled container has a volume of 40
cu ft on the surface, what would the volume be at 99 feet in sea water? (rounded off) a) 60 cu ft b) 20 cu ft c) 10 cu ft d) 25 cu ft
CORRECT ANSWER : c) 10 cu ft
Question : Ear squeeze can be prevented by: a) Rotating the jaw, swallowing, or Valsalva b) Relaxing c) Never diving with a cold d) All of the above
CORRECT ANSWER : d) All of the above
Question : Gauge pressure is defined as: a) Hydrostatic pressure minus 1 ata b) Absolute pressure plus 1 ata c) Absolute pressure minus 1 ata d) The pressure at the surface
CORRECT ANSWER : c) Absolute pressure minus 1 ata
Question : Sinus squeeze can be prevented by: a) Wearing earplugs b) The Valsalva technique c) Tilting the divers head back and forth d) Not diving with a cold
CORRECT ANSWER : d) Not diving with a cold
Question : Underwater, the bending of light rays causes
objects to appear to be: a) At an angle consistent with the
bend of the light b) The same as the surface c) Farther away
d) Closer
CORRECT ANSWER : d) Closer
Question : Salt water weighs ________ pounds per cubic foot
and freshwater weighs ________ pounds per cubic foot. a) 65/68 b) 64/ 62.5 c) 54/50 d) They both weigh the same
CORRECT ANSWER : b) 64/ 62.5
Question : Absolute pressure is defined as: a) The weight of the water that surrounds a diver b) The pressure at the surface plus 1 ata c) The total pressure exerted on an object d) All of the above