Exam (elaborations)
NAUI Exam Questions with correct Answers (Graded A)
- Course
- Institution
NAUI Exam Questions with correct Answers
[Show more]
Content preview
NAUI Exam Questions with correctAnswers
When selecting a face mask the most important things to consider our proper ____ and
_____ - Answer -Fit and comfort
Snorkels over 15 inches in length are not recommended primarily because_______ -
Answer -They have too much dead air space
When buying or renting equipment for diving, the most important consideration is
_______ on your body - Answer -Fit
When rinsing a regulator it is best to leave the regulator ______to the tank or have the
dust cap_____ - Answer -Attached, closed
Diving equipment should be _____ thoroughly, ____, and _____ in a cool place -
Answer -Rinsed, dried, stored
Scuba tank should always have some pressure on them to prevent ______from
entering - Answer -Water / moisture
According to the DOT regulations, scuba tanks must be hydrostatically tested every
______ years - Answer -5
Open heel fins are usually the fins of choice for scuba divers because____ - Answer -
They can be used in a wide variety of conditions
The primary purpose of the exposure suit is to preserve ______ during Dives - Answer -
Body heat
Weighting systems are used by the diver primarily to offset the ______ buoyancy
created by the wetsuit - Answer -Positive
You should have your regulator serviced by a certified repair technician at least _____
per year - Answer -One time
The stage of the regulator which reduces the tank pressure is the ______stage -
Answer -First
, Two types of material that scuba tanks are made of our Steel and _____ - Answer -
Aluminum
The ______ line is the direction of travel line on the compass - Answer -Lubber
The dive knife is used primarily as a _____ for digging, cutting, pounding and prying -
Answer -Tool
Stamped, engraved, markings on scuba tanks include date of _____, serial number and
type of blank - Answer -hydrostatic testing, material (A= aluminum, AA = steel)
Atmospheric pressure at sea level is _____ pounds per square inch for _____
atmosphere absolute - Answer -14.7 pounds, 1 atmosphere
A sealed balloon filled with air that has a volume of 6 cubic inches at 99 feet will have a
volume of ______ cubic inches at 33 feet - Answer -12
Sea waterways ____ pounds per cubic foot - Answer -64.1
The gas law that best explains diving medical problems such as ear and sinus squeeze
is - Answer -Boyle's Law
Because refractions, objects underwater appear ____ and ______ when the diver is
looking through his / her mask - Answer -Larger, closer
When the pressure of nitrogen is balanced between the air in your body you are at a
state of ______ - Answer -Equilibrium
A diver's body heat is lost through conduction at a rate of approximately _____ times
more rapidly than in air - Answer -25 times
The type of pressure defined as gauge for water pressure plus atmospheric pressure is
______ - Answer -Absolute pressure
The absolute pressure in the ocean at 53 feet is ______ atmospheres absolute -
Answer -2.61
If a divers Surface air consumption rate is 25 psi per minute, what would be the
consumption rate at 66 feet of seawater - Answer -75 PSI / minute
A depth that is equivalent to one atmosphere in the ocean is equal to _____ feet in the
seawater and _____feet in freshwater - Answer -33 seawater, 34 freshwater
Two methods of measuring air pressure are BAR or _____ - Answer -Pounds per
square inch
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78998 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now