NAUI Study Guide Exam Questions
and Answers19
Which of the following is an essential feature to consider when selecting a diving mask?
a) Purge valve.
b) High internal volume.
c) Tempered or safety glass.
d) Metal frame. - ANSWERS-c
Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because:
a) They have too much dead air space.
b) They are likely to become tangled.
c) They are not economical to manufacture.
d) They are top-heavy and difficult to use. - ANSWERS-a
When buying or renting equipment for diving, the most important consideration is:
a) Its cost.
b) Its fit on your body.
c) How recently it was developed.
d) Its durability. - ANSWERS-b
Three features that are common to all buoyancy control devices are:
a) An integrated weight system, bright color, inflation/deflation hose.
b) An overpressure relief valve, CO2 inflation cartridge, alternate air source.
c) An alternate air source, low pressure inflator, overpressure relief valve.
,d) An overpressure relief valve, inflation/deflation hose, low pressure inflator hose. - ANSWERS-
d
Three types of alternate air sources that are in common use today are:
a) Full face masks, completely redundant systems, octopus rigs.
b) Octopus rigs, completely redundant systems, an integrated regulator into the BCD
inflation/deflation hose.
c) Titanium cylinders, full face masks, octopus rigs.
d) Integrated regulator into the BCD inflation/deflation hose, octopus rigs, technical rigs. -
ANSWERS-b
According to the United States Department of Transportation regulations, scuba tanks must be
hydrostatically tested every:
a) 1 year.
b) 3 years.
c) 5 years.
d) 10 years. - ANSWERS-c
The primary purpose of the exposure suit is to:
a) Preserve body heat during dives.
b) Look good while diving.
c) Provide buoyancy during dives.
d) Prevent scrapes and cuts during dives. - ANSWERS-a
At a minimum, while diving most dive computers display:
a) Minimum depth, actual bottom time, water temperature.
b) Maximum depth, current depth, actual bottom time, remaining allowable bottom
, time.
c) Maximum depth, remaining allowable bottom time, air temperature.
d) Minimum depth, current depth, unavailable bottom time. - ANSWERS-b
You should have your regulator serviced by a certified repair technician
a) once every five years
b) at least once per year
c) once, immediately after you buy it
d) once every ten years - ANSWERS-b
Two types of materials that scuba tanks are made from are steel and _________.
a) aluminum
b) titanium
c) stainless steel
d) graphite - ANSWERS-a
The _________ line is the direction of travel line on the compass.
a) index/tick mark
b) lubber
c) degree
d) descent - ANSWERS-b
The dive knife is used primarily as a _________ for digging, cutting, pounding and prying.
a) weapon b) file
c) tool
d) measure - ANSWERS-c
and Answers19
Which of the following is an essential feature to consider when selecting a diving mask?
a) Purge valve.
b) High internal volume.
c) Tempered or safety glass.
d) Metal frame. - ANSWERS-c
Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because:
a) They have too much dead air space.
b) They are likely to become tangled.
c) They are not economical to manufacture.
d) They are top-heavy and difficult to use. - ANSWERS-a
When buying or renting equipment for diving, the most important consideration is:
a) Its cost.
b) Its fit on your body.
c) How recently it was developed.
d) Its durability. - ANSWERS-b
Three features that are common to all buoyancy control devices are:
a) An integrated weight system, bright color, inflation/deflation hose.
b) An overpressure relief valve, CO2 inflation cartridge, alternate air source.
c) An alternate air source, low pressure inflator, overpressure relief valve.
,d) An overpressure relief valve, inflation/deflation hose, low pressure inflator hose. - ANSWERS-
d
Three types of alternate air sources that are in common use today are:
a) Full face masks, completely redundant systems, octopus rigs.
b) Octopus rigs, completely redundant systems, an integrated regulator into the BCD
inflation/deflation hose.
c) Titanium cylinders, full face masks, octopus rigs.
d) Integrated regulator into the BCD inflation/deflation hose, octopus rigs, technical rigs. -
ANSWERS-b
According to the United States Department of Transportation regulations, scuba tanks must be
hydrostatically tested every:
a) 1 year.
b) 3 years.
c) 5 years.
d) 10 years. - ANSWERS-c
The primary purpose of the exposure suit is to:
a) Preserve body heat during dives.
b) Look good while diving.
c) Provide buoyancy during dives.
d) Prevent scrapes and cuts during dives. - ANSWERS-a
At a minimum, while diving most dive computers display:
a) Minimum depth, actual bottom time, water temperature.
b) Maximum depth, current depth, actual bottom time, remaining allowable bottom
, time.
c) Maximum depth, remaining allowable bottom time, air temperature.
d) Minimum depth, current depth, unavailable bottom time. - ANSWERS-b
You should have your regulator serviced by a certified repair technician
a) once every five years
b) at least once per year
c) once, immediately after you buy it
d) once every ten years - ANSWERS-b
Two types of materials that scuba tanks are made from are steel and _________.
a) aluminum
b) titanium
c) stainless steel
d) graphite - ANSWERS-a
The _________ line is the direction of travel line on the compass.
a) index/tick mark
b) lubber
c) degree
d) descent - ANSWERS-b
The dive knife is used primarily as a _________ for digging, cutting, pounding and prying.
a) weapon b) file
c) tool
d) measure - ANSWERS-c
