Dive Master NAUI Exam 2024 Graded A+
_____ is a loss of your sense of direction or position. - ANSWER-Disorientation
_____ is the biggest breath you can exhale. - ANSWER-Vital capacity
A dive team conducting a night dive should have a total of how many lights (minimum)
between them? - ANSWER-4
A dive team conducts a dive to 80 feet (24 meters) of sea water for an actual dive time
of 32 minutes. What is the minimum time that the same team can stay out during a
surface interval and make a repetitive dive to 69 feet (21 meters) of sea water for an
actual dive time of 30 minutes without required decompression? - ANSWER-3 hours
and 21 minutes
A dive team conducts a dive to 95 feet (29 meters) of sea water for an actual dive time
of 20 minutes. The team then has a surface interval of 2 hours. The second dive is
conducted to a depth of 60 feet (18 meters) for an actual dive time of 30 minutes. The
team then has a surface interval of 1 hour and 45 minutes. The team plans to make a
third dive to a depth of 40 feet (12 meters). What is the team's adjusted maximum dive
time for the third dive? - ANSWER-69 minutes
A dive team diving in a fresh water lake in the summer is at a depth of 20 feet (6
meters). The water temperature at this depth is 85 degrees Fahrenheit (29 degrees
Celsius) and one diver in the team has 244 cubic inches (4 liters) of air in her buoyancy
compensator (BC). As the team descends to a depth of 60 feet (18 meters), they pass
through a thermocline and the water temperature is now 55 degrees Fahrenheit (12
degrees Celsius). If the diver with 244 cubic inches (4 liters) of air in her BC did not add
or remove any air from the compensator, the new volume in her BC after arrival at 60
feet (18 meters) would be how many cubic inches (liters)? - ANSWER-132 cubic
inches/2.16 liters
A dive team executes a dive and accidentally exceeds their planned actual dive time by
5 minutes. Their actual dive profile was 110 feet (34 meters) for 20 minutes. What
required decompression schedule should the team follow during their ascent? -
ANSWER-A 5 minute stop at 15 feet (5 meters)
A dive team executes a dive to 110 feet (33 meters) of sea water for an actual dive time
of 15 minutes. The team has a surface interval of 1 hour and 30 minutes. What is the
adjusted maximum dive time available to the team on a repetitive dive to a depth of 65
feet (20 meters) of sea water? - ANSWER-25 minutes
A dive team spends their first 10 minutes of actual dive time during a dive at 70 feet (21
meters) of sea water. The next 20 minutes are spent at a depth of 40 feet (12 meters).
What is the dive team's letter group after surfacing? - ANSWER-F
, A dive team wants to recover (lift) a 380 pound (172 kg)(dry weight) anchor from the
bottom of the ocean. The anchor displaces 3 cubic feet (85 liters) of sea water. The
bottom composition is flat and firm. How many lift bags, rated for 50 pounds (23 kg) of
lift each, will it take to recover (lift) the anchor? - ANSWER-4 bags
A hood or tight seal can fool your carotid sinus baroreceptors into thinking that there is
high blood pressure by pushing on them. - ANSWER-True
A marine animal whose tissues are toxic, either in part or entirety is _____. - ANSWER-
Poisonous
A pressure buildup in the ear during ascent can produce a condition known as _____. -
ANSWER-Alternobaric vertigo
A sealed flexible container with 10 liters of air in it is submerged to a depth of 82 feet
(25 meters) in the ocean. Providing there is no temperature change in the water
between the surface and at 82 feet (25 meters), what is the new volume in the container
at 82 feet (25 meters)? - ANSWER-2.87
A(n) _____ is the smallest possible unit into which matter can be divided and still retain
its unique characteristics. - ANSWER-Atom
An air compressor used for filling scuba cylinders operates by the principle of _____. -
ANSWER-Boyle's Law
An air consumption rate of 40 psig (2.76 bar) per minute using a 3,000 psig/80 cubic
foot (207 bar/11 liter wet volume) cylinder is equal to? - ANSWER-1.07 cubic feet per
minute (30 liters per minute)
An extra second stage should be mounted in the center of the chest for easy
accessibility by _____. - ANSWER-Both the donor and recipient
Archimedes' Principle states that: "an object partially or wholly immersed in a fluid is
buoyed up by a force equal to the _____ of the _____ displaced by that object". -
ANSWER-weight; fluid
As a boat owner or skipper, you have a responsibility to _____. - ANSWER-People on
your boat
Other boats
Swimmers
As we inhale air, it moves from the nose and the mouth to the _____ into the two _____
and finally to the microscopic _____. - ANSWER-Trachea, bronchi, alveoli
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 CLOUND. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.