NAUI SCUBA exam UPDATED Questions
and CORRECT Answers
At a minimum, while diving, most dive computers display: - CORRECT ANSWER -
Maximum depth, current depth, actual bottom time, remaining allowable bottom time.
Which of the following is an essential feature to consider when selecting a diving mask? -
CORRECT ANSWER - Tempered or safety glass
Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because: -
CORRECT ANSWER - They have too much dead air space.
When buying or renting equipment for diving, the most important consideration is: - CORRECT
ANSWER - Its fit on your body.
When rinsing a regulator it is best to: - CORRECT ANSWER - Leave the regulator
attached to the tank or have the dust cap in place.
Three features that are common to all buoyancy control devices are: - CORRECT
ANSWER - An overpressure relief valve, inflation/deflation hose, low pressure inflator
hose.
Three types of alternate air sources that are in common use today are: - CORRECT
ANSWER - Octopus rigs, completely redundant systems, an integrated regulator into the
BCD inflation/deflation hose.
According to the United States Department of Transportation regulations, scuba tanks must be
hydrostatically tested every: - CORRECT ANSWER - 5 years
The most important functional feature of a weight belt or weight system is: - CORRECT
ANSWER - A means for ditching the weights immediately with one hand.
, The primary purpose of the exposure suit is to: - CORRECT ANSWER - Preserve body
heat during dives.
You should have your regulator serviced by a certified repair technician: - CORRECT
ANSWER - At least once per year.
The stage of the regulator which reduces tank pressure is: - CORRECT ANSWER - first
Two types of materials that scuba tanks are made from are steel and _________. - CORRECT
ANSWER - aluminum
The _________ line is the direction of travel line on the compass. - CORRECT
ANSWER - lubber
The dive knife is used primarily as a _________ for digging, cutting, pounding and prying. -
CORRECT ANSWER - Tool
Markings on scuba tanks include: - CORRECT ANSWER - Date of hydrostatic test, serial
number, type of material.
Atmospheric pressure at sea level is: - CORRECT ANSWER - 14.7 pounds per square
inch/1.0 atmosphere absolute (1.01 bar).
A sealed balloon filled with air that has a volume of 4 liters at 99 feet of seawater (30.2 m) will
have a volume of ____________ liters at 33 feet of seawater (10.1 m). - CORRECT
ANSWER - 8 liters
The weight of freshwater is: - CORRECT ANSWER - 62.4 pounds per cubic foot (1000
kg/m3).
and CORRECT Answers
At a minimum, while diving, most dive computers display: - CORRECT ANSWER -
Maximum depth, current depth, actual bottom time, remaining allowable bottom time.
Which of the following is an essential feature to consider when selecting a diving mask? -
CORRECT ANSWER - Tempered or safety glass
Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because: -
CORRECT ANSWER - They have too much dead air space.
When buying or renting equipment for diving, the most important consideration is: - CORRECT
ANSWER - Its fit on your body.
When rinsing a regulator it is best to: - CORRECT ANSWER - Leave the regulator
attached to the tank or have the dust cap in place.
Three features that are common to all buoyancy control devices are: - CORRECT
ANSWER - An overpressure relief valve, inflation/deflation hose, low pressure inflator
hose.
Three types of alternate air sources that are in common use today are: - CORRECT
ANSWER - Octopus rigs, completely redundant systems, an integrated regulator into the
BCD inflation/deflation hose.
According to the United States Department of Transportation regulations, scuba tanks must be
hydrostatically tested every: - CORRECT ANSWER - 5 years
The most important functional feature of a weight belt or weight system is: - CORRECT
ANSWER - A means for ditching the weights immediately with one hand.
, The primary purpose of the exposure suit is to: - CORRECT ANSWER - Preserve body
heat during dives.
You should have your regulator serviced by a certified repair technician: - CORRECT
ANSWER - At least once per year.
The stage of the regulator which reduces tank pressure is: - CORRECT ANSWER - first
Two types of materials that scuba tanks are made from are steel and _________. - CORRECT
ANSWER - aluminum
The _________ line is the direction of travel line on the compass. - CORRECT
ANSWER - lubber
The dive knife is used primarily as a _________ for digging, cutting, pounding and prying. -
CORRECT ANSWER - Tool
Markings on scuba tanks include: - CORRECT ANSWER - Date of hydrostatic test, serial
number, type of material.
Atmospheric pressure at sea level is: - CORRECT ANSWER - 14.7 pounds per square
inch/1.0 atmosphere absolute (1.01 bar).
A sealed balloon filled with air that has a volume of 4 liters at 99 feet of seawater (30.2 m) will
have a volume of ____________ liters at 33 feet of seawater (10.1 m). - CORRECT
ANSWER - 8 liters
The weight of freshwater is: - CORRECT ANSWER - 62.4 pounds per cubic foot (1000
kg/m3).
