NAUI SCUBA NEW VERSION EXAM QUESTIONS AND
ANSWERS WITH COMPLETE STUDY GUIDE AND PASS
GUARANTEE
When diving, the majority of dive computers at least show: Maximum depth,
current depth, actual bottom time, and remaining permitted bottom time are the
answers.
When choosing a diving mask, which of the following features is crucial to take
into account? ANSWER Safety or tempered glass
The main reason why snorkels longer than 15 inches (38 cm) are not advised is
because: ANSWER They have too much dead air space.
ANSWER The most crucial factor to take into account when purchasing or
renting diving equipment is how well it fits your body.
The best way to rinse a regulator is to: ANSWER Either keep the dust cap in
place or keep the regulator connected to the tank.
All buoyancy control systems share the following three characteristics:
ANSWER Low pressure inflator hose, inflation/deflation hose, and
overpressure release valve.
ANSWER Octopus rigs, fully redundant systems, and an integrated regulator
within the BCD inflation/deflation hose are the three forms of alternate air
sources that are currently in widespread usage.
The US Department of Transportation mandates that scuba tanks undergo
hydrostatic testing at the following intervals: ANSWER: Five years
The ability to quickly remove the weights with one hand is the most crucial
functional component of a weight belt or weight system.
The exposure suit's main objective is to: ANSWER Keep your body warm while
diving.
, A qualified repair expert should service your regulator: ANSWER At least once
a year.
The regulator's first stage that lowers tank pressure is ANSWER.
Steel and _________ are two of the materials used to make diving tanks.
ANSWER aluminum
The compass's _________ line indicates the direction of travel. ANSWER
lubricant
Digging, chopping, bashing, and prying are the main uses for the dive knife.
ANSWER Tool
Scuba tanks are marked with the following information: ANSWER Date of
hydrostatic test, serial number, and material type.
ANSWER 14.7 pounds per square inch/1.0 atmosphere absolute (1.01 bar) is
the atmospheric pressure at sea level.
At 99 feet of seawater (30.2 m), a sealed balloon filled with air will have a
volume of 4 liters; at 33 feet of seawater (10.1 m), same volume will be
________ liters. ANSWER: 8 liters
Answer: 62.4 pounds per cubic foot (1000 kg/m3) is the weight of freshwater.
ANSWER 78% nitrogen, 21% oxygen, and trace gases make up air, the gas that
recreational scuba divers utilize the most.
When looking through a mask during a dive, which of the following makes
objects appear closer and larger? The Refraction of the Answer
How many times faster does sound travel through water than it does through
air? ANSWER 4
Conduction (mostly) loses a diver's body heat at a rate that is around _________
times faster than in air. ANSWER 25
What steps should a diver take to lessen drag and, consequently, the amount of
effort required during a dive? ANSWER Simplify his or her posture.
ANSWERS WITH COMPLETE STUDY GUIDE AND PASS
GUARANTEE
When diving, the majority of dive computers at least show: Maximum depth,
current depth, actual bottom time, and remaining permitted bottom time are the
answers.
When choosing a diving mask, which of the following features is crucial to take
into account? ANSWER Safety or tempered glass
The main reason why snorkels longer than 15 inches (38 cm) are not advised is
because: ANSWER They have too much dead air space.
ANSWER The most crucial factor to take into account when purchasing or
renting diving equipment is how well it fits your body.
The best way to rinse a regulator is to: ANSWER Either keep the dust cap in
place or keep the regulator connected to the tank.
All buoyancy control systems share the following three characteristics:
ANSWER Low pressure inflator hose, inflation/deflation hose, and
overpressure release valve.
ANSWER Octopus rigs, fully redundant systems, and an integrated regulator
within the BCD inflation/deflation hose are the three forms of alternate air
sources that are currently in widespread usage.
The US Department of Transportation mandates that scuba tanks undergo
hydrostatic testing at the following intervals: ANSWER: Five years
The ability to quickly remove the weights with one hand is the most crucial
functional component of a weight belt or weight system.
The exposure suit's main objective is to: ANSWER Keep your body warm while
diving.
, A qualified repair expert should service your regulator: ANSWER At least once
a year.
The regulator's first stage that lowers tank pressure is ANSWER.
Steel and _________ are two of the materials used to make diving tanks.
ANSWER aluminum
The compass's _________ line indicates the direction of travel. ANSWER
lubricant
Digging, chopping, bashing, and prying are the main uses for the dive knife.
ANSWER Tool
Scuba tanks are marked with the following information: ANSWER Date of
hydrostatic test, serial number, and material type.
ANSWER 14.7 pounds per square inch/1.0 atmosphere absolute (1.01 bar) is
the atmospheric pressure at sea level.
At 99 feet of seawater (30.2 m), a sealed balloon filled with air will have a
volume of 4 liters; at 33 feet of seawater (10.1 m), same volume will be
________ liters. ANSWER: 8 liters
Answer: 62.4 pounds per cubic foot (1000 kg/m3) is the weight of freshwater.
ANSWER 78% nitrogen, 21% oxygen, and trace gases make up air, the gas that
recreational scuba divers utilize the most.
When looking through a mask during a dive, which of the following makes
objects appear closer and larger? The Refraction of the Answer
How many times faster does sound travel through water than it does through
air? ANSWER 4
Conduction (mostly) loses a diver's body heat at a rate that is around _________
times faster than in air. ANSWER 25
What steps should a diver take to lessen drag and, consequently, the amount of
effort required during a dive? ANSWER Simplify his or her posture.
