Naui Scuba Test with 100% Correct
Answers
When selecting a facemask the most important consideration is: - ANSWER-Proper Fit
Snorkels over 12 inches are not used because: - ANSWER-Dead air space
When buying equipment for diving the most important consideration is: - ANSWER-Fit
When rinsing a regulator is is best too: - ANSWER-Leave it attached to the tank or
leave the dust cap in place
Diving equipment should be: - ANSWER-Rinsed thoroughly and stored in a cool place
When selecting a facemask the most important consideration is: - ANSWER-Proper Fit
Snorkels over 12 inches are not used because: - ANSWER-Dead air space
When buying equipment for diving the most important consideration is: - ANSWER-Fit
When rinsing a regulator is is best too: - ANSWER-Leave it attached to the tank or
leave the dust cap in place
Diving equipment should be: - ANSWER-Rinsed thoroughly and stored in a cool place
Scuba tanks should always have some pressure in them to - ANSWER-Prevent
moisture from entering
According to Department of Transportation regulations, tanks should be tested -
ANSWER-Every five years
Open heeled fins are usually the choice of divers because - ANSWER-They can be
used in a wide variety of environmental conditions
The primary purpose of the exposure suit is to - ANSWER-Preserve body head during
dives
Weighting systems are used primarily to - ANSWER-Offset positive buoyancy created
by the wetsuit
You should have your regulatory serviced - ANSWER-At least once a year
, The stage of the regulator that reduces tank pressure - ANSWER-The first
Two types of material tank are made of are steel and - ANSWER-Aluminum
The ______ line is the direction of. Travel on the compass - ANSWER-Lubber
The dive knife is primarily used for x, y and z as a - ANSWER-Tool
Stamped engraved markings on tanks include - ANSWER-the date of the hydrostatic
test, serial number and type of material
Atmospheric pressure at sea level is - ANSWER-14.7 lbs/sq. inch or 1 atmosphere
absolute
A sealed balloon filled with air has a volume of 6 cubic inches at -99 feet depth will have
a volume of ___ at -33 feet - ANSWER-12
Sea water weighs - ANSWER-64 lbs/cubic foot
Which gas law explains diving issues involving air spaces (e.g., sinuses, ears) -
ANSWER-Boyle's Law
Because of refraction, objects appear: - ANSWER-Larger and closer
When the pressure of nitrogen is balanced between air you are breathing and the air in
your body, you are in a state of - ANSWER-Equilibrium
A diver's body heat is lost in conduction ___ times more quickly than through air -
ANSWER-25 times
What type of pressure is defined as gauge water pressure plus atmospheric air
pressure - ANSWER-Absolute
The absolute pressure in the ocean at 53 feet is - ANSWER-2.6 atmospheres absolute
If a scuba diver's surface air consumption rate is 25 psi per minute, what would it be at
66 feet? - ANSWER-75 psi/minute
A depth that is equivalent to 1 atmosphere in the ocean is equal to _______feet in sea
water and _____ feet in fresh water - ANSWER-33 and 34
Two methods of measuring air pressure are BAR and - ANSWER-Pounds per square
inch (PSI)
Sound travels about ____ times faster in water than in air - ANSWER-4 X
Answers
When selecting a facemask the most important consideration is: - ANSWER-Proper Fit
Snorkels over 12 inches are not used because: - ANSWER-Dead air space
When buying equipment for diving the most important consideration is: - ANSWER-Fit
When rinsing a regulator is is best too: - ANSWER-Leave it attached to the tank or
leave the dust cap in place
Diving equipment should be: - ANSWER-Rinsed thoroughly and stored in a cool place
When selecting a facemask the most important consideration is: - ANSWER-Proper Fit
Snorkels over 12 inches are not used because: - ANSWER-Dead air space
When buying equipment for diving the most important consideration is: - ANSWER-Fit
When rinsing a regulator is is best too: - ANSWER-Leave it attached to the tank or
leave the dust cap in place
Diving equipment should be: - ANSWER-Rinsed thoroughly and stored in a cool place
Scuba tanks should always have some pressure in them to - ANSWER-Prevent
moisture from entering
According to Department of Transportation regulations, tanks should be tested -
ANSWER-Every five years
Open heeled fins are usually the choice of divers because - ANSWER-They can be
used in a wide variety of environmental conditions
The primary purpose of the exposure suit is to - ANSWER-Preserve body head during
dives
Weighting systems are used primarily to - ANSWER-Offset positive buoyancy created
by the wetsuit
You should have your regulatory serviced - ANSWER-At least once a year
, The stage of the regulator that reduces tank pressure - ANSWER-The first
Two types of material tank are made of are steel and - ANSWER-Aluminum
The ______ line is the direction of. Travel on the compass - ANSWER-Lubber
The dive knife is primarily used for x, y and z as a - ANSWER-Tool
Stamped engraved markings on tanks include - ANSWER-the date of the hydrostatic
test, serial number and type of material
Atmospheric pressure at sea level is - ANSWER-14.7 lbs/sq. inch or 1 atmosphere
absolute
A sealed balloon filled with air has a volume of 6 cubic inches at -99 feet depth will have
a volume of ___ at -33 feet - ANSWER-12
Sea water weighs - ANSWER-64 lbs/cubic foot
Which gas law explains diving issues involving air spaces (e.g., sinuses, ears) -
ANSWER-Boyle's Law
Because of refraction, objects appear: - ANSWER-Larger and closer
When the pressure of nitrogen is balanced between air you are breathing and the air in
your body, you are in a state of - ANSWER-Equilibrium
A diver's body heat is lost in conduction ___ times more quickly than through air -
ANSWER-25 times
What type of pressure is defined as gauge water pressure plus atmospheric air
pressure - ANSWER-Absolute
The absolute pressure in the ocean at 53 feet is - ANSWER-2.6 atmospheres absolute
If a scuba diver's surface air consumption rate is 25 psi per minute, what would it be at
66 feet? - ANSWER-75 psi/minute
A depth that is equivalent to 1 atmosphere in the ocean is equal to _______feet in sea
water and _____ feet in fresh water - ANSWER-33 and 34
Two methods of measuring air pressure are BAR and - ANSWER-Pounds per square
inch (PSI)
Sound travels about ____ times faster in water than in air - ANSWER-4 X
