Assessment Questions and Answers.
(Graded A+)
If an object is neutrally buoyant in fresh water, the same object placed into salt water
would... - ANSWER-Float
I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will
happen to the balloon and the air inside it? - ANSWER-The balloon will get smaller and
the air inside the balloon will be more dense
I turn a glass upside down, trap the air in it by putting it in water, and then I take the
glass down to 10 m/33 ft. The air space would... - ANSWER-Become half the size it was
at the surface
If I am not able to equalize my body air spaces, it may be because I have... - ANSWER-
A cold, allergy or another medical problem
If my ears or sinuses hurt while I am descending, it usually means... - ANSWER-I am
feeling a squeeze and need to equalize
The best place for me to position an alternate air source is... - ANSWER-In the triangle
area formed by my chin and the lower corners of my rib cage
Lung overexpansion injuries can be caused by... - ANSWER-Holding my breath while
scuba diving
If my cylinder of air lasts 60 minutes while I am at the surface breathing normally,
assuming all else is the same, how long will it last at 20 m/66 ft breathing normally? -
ANSWER-20 minutes
How often should I take my scuba cylinder to be visually inspected by my dive center? -
ANSWER-Once a year
The difference between DIN values and yoke valves is that DIN valves... - ANSWER-
Have threaded openings to screw the regulator into
Which of the following is not part of proper care for my scuba cylinder? - ANSWER-
Keep some air in it
, Refer to the regulator picture on the right. Each regulator part has a number next to it.
Please choose the correct numeric order from the choices below - ANSWER-1.
Regulator first stage, 2. regulator second stage, 3. alternate air source second stage, 4.
low pressure inflator hose for the BCD, 5. instrument console/gauges/computer
When I look at things underwater they often seem _____ than they look on the surface -
ANSWER-Larger and/or nearer
_____ travels faster in water than it does in air. This is why you cannot easily tell where
it comes from - ANSWER-Sound
Unless there are laws that say differently, I should stay within _____ of my dive flag -
ANSWER-15 m/50 ft
If I work too hard and find it difficult to breathe underwater, I should... - ANSWER-Stop
all activity and rest, holding onto something for support if possible
As I descend, my wet suit will... - ANSWER-Compress from water pressure, and I will
lose buoyancy and warmth
I know I am properly weighted for diving if I... - ANSWER-Float at eye level while
holding a normal breath of air and with an empty BCD
Choose the best answer for the signal shown from the choices provided - ANSWER-
Stop, hold it, stay there
Choose the best answer for the signal shown from the choices provided - ANSWER-
Something is wrong
Choose the best answer for the signal shown from the choices provided - ANSWER-
Okay? Okay
Choose the best answer for the signal shown from the choices provided - ANSWER-
Okay? Okay
Choose the best answer for the signal shown from the choices provided - ANSWER-
Low on air
Choose the best answer for the signal shown from the choices provided - ANSWER-
Share air
If I were separated from my buddy, the general procedure is to... - ANSWER-Search for
a minute and then go up to reunite with my buddy at the surface
I am most likely to become confused about which way is up or down... - ANSWER-In
midwater