a diving watch must be able to withstand pressure and measure____________ - ANSWER Elapsed time
An irregular breathing pattern (skip breathing) while diving will possibly cause_______________ - ANSWER Carbon dioxide excess
at minimum while diving most dive computers display - ANSWER maximum d...
Naui Scuba test 1 QUESTIONS &
SOLUTIONS
a diving watch must be able to withstand pressure and measure____________ - ANSWER Elapsed time
An irregular breathing pattern (skip breathing) while diving will possibly cause_______________ -
ANSWER Carbon dioxide excess
at minimum while diving most dive computers display - ANSWER maximum depth,
current depth,
actual bottom time,
remaining allowable bottom time
open heel fins are usually the fins of choice for scuba divers because - ANSWER they may be used in a
wide variety of environmental conditions
minimum surface intervals required by naui tables are - ANSWER one hour
during descent a divers buoyancy tends to _______ - ANSWER decrease
a divers body heat is lost through conduction (primarily) at the rate of approximately __________ times
more rapidly then in air - ANSWER 25
a sealed balloon filled with air that has a volume of 4 liters at 99 feet of seawater will have a volume of
_____________ at 33 feet of seawater - ANSWER 8 liters
scuba tanks should always have some pressure in them to prevent - ANSWER moisture from entering
, If you are diving wearing an exposure suit you should _______ to safely control buoyancy as you descend
- ANSWER Add air to your buoyancy device
The preferred action to take if you find yourself alone and out of air at 30 feet in open water is - ANSWER
emergency swimming ascent
A symptom of carbon monoxide poising is a - ANSWER headache
____________is a worldwide emergency network of hyperbolic chambers and diving physicans -
ANSWER Divers alert network (DAN)
A ______________ calculates your remaining allowable bottom time - ANSWER Dive computer
Two methods of measuring air pressure are BAR and - ANSWER Pounds per square inch
What type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure? - ANSWER
Absolute
T/F NAUI dive tables allow dive three to be repeated until the cumulative time reaches the MDT for dive
4 - ANSWER True
When making an emergency swimming ascent a scuba diver should - ANSWER Exhale continuously
during the ascent, periodically attempting to inhale
positive buoyancy- an object weighs _____then the amount of water it displaces - ANSWER less
which of the following is a hazard when diving in limited viability or at night? - ANSWER Vertigo
Three main types of BC's are - ANSWER back flotation
jacket
horse collar
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