Choices Questions and Answers
1.As a newly certified PADI Open Water Diver, I will be trained to dive with
a buddy as deep as .
a. 10 metres/30 feet
b. 18 metres/60 feet
c. 30 metres/100 feet
d. 40 metres/130 feet
Answer b. 18 metres/60 feet
2.Certain medical conditions can be hazardous while diving, so it is
important to answer all questions on the Medical Statement honestly and
completely.
a. true
b. false
Answer a. true
3.PADI courses are performance-based. This means that to be certified,
I must...
a. meet specific performance requirements
b. spend a given number of hours in training
c. simply pay for the course
Answer a. meet specific performance requirements
1/
20
,4.Failure to complete assigned independent study can create significant
delays, and my instructor may have to cancel and reschedule sessions until
I complete the assignment.
a. true
b. false
Answer a. true
5.When diving in a new dive environment, two benefits of seeking an ori-
entation, supervision, and/or additional training are that it helps me
avoid problems and that it helps me enjoy the dive more.
a. true
b. false
Answer a. true
6.What is the pressure change for each 10 metres/33 feet of depth change?
Answer -
There is a pressure change of 1 bar/ata for every 10 metres/33 feet of
depth change.
7.What is the relationship between pressure and the volume and density
of air?
Answer As pressure increases, gas volume decreases and gas density
increases.
2/
20
, 8.Right now, you are under pressure exerted by the air in the atmosphere
that surrounds you. This is actually the of the air.
Answer weight
9.Underwater, you're under more pressure because water also has
, which combines with the atmosphere's pressure.
Answer weight
10.At sea level the pressure is fairly uniform, and is expressed as...
Answer one bar (metric) or one atmosphere (imperial — abbreviated
ata)
11.What is the relationship between my depth in water and the pressure?
Answer As depth in water increases, pressure increases. As depth in
water decreases, pressure decreases.
12.Because water is much denser and heavier than air, feet
exerts the same pressure as the whole atmosphere.
Answer 10 metres/33 feet
13.How does pressure increase underwater?
Answer Pressure increases by one bar/ata for each 10 metres/33
feet you descend (go down).
3/
20