PADI IDC Equipment Final Exam – Simple Study
Guide
1. scuba systems are the most A 3AL
common type of recreation scuba B 7@89
equipment, are easy to use and maintain, and C 675432
vent exhaled gases directly into the water. D 3000
Choose your answer.
A Rebreather
B Open circuit
2. The term "open circuit" refers to the fact that:
Choose your answer.
A electricity is used to test the regulator's air-
flow rate.
B the regulator is made from nonmagnetic
metal.
C the exhaled air is released directly into the
water.
D All of the above are correct.
3. All rebreathers recycle instead of
al- lowing them to be wasted into the water.
Choose your answer.
A carbon dioxide
B bubbles
C usable gasses
D air
4. Which of the following tank markings
designates the type of metal used to construct
the scuba tank?Choose your answer.
1/
25
, PADI IDC Equipment Final Exam – Simple Study
Guide
Open circuit
the exhaled air is released directly into the water.
usable gasses
3AL
2/
25
, PADI IDC Equipment Final Exam – Simple Study
Guide
5. Which of the following tank markings 7@89
designates the hydrostatic test date? Choose
your answer.
A 3AL
B 7@89
C 675432
D 3000
6. The (+) designation that appears on tanks
steel/10% denotes that the tank may be overfilled to
beyond its
working pressure. Choose your answer.
A steel/15%
B aluminum/10%
C steel and aluminum/10%
D steel/10%
7. Typically, aluminum cylinders have higher in the
working pressures so they hold comparable or cylinder is
slightly more air than steel cylinders. Choose measured
your answer. by the
amount of
A True water that is
B False displaced.
Choose your
8. During a hydrostatic test a scuba cylinder is
answer.
placed in a water-filled chamber. The cylinder
is then filled with water. As the water
pressure within the tank is
increased, the amount of expansion that occurs
3/
25
Guide
1. scuba systems are the most A 3AL
common type of recreation scuba B 7@89
equipment, are easy to use and maintain, and C 675432
vent exhaled gases directly into the water. D 3000
Choose your answer.
A Rebreather
B Open circuit
2. The term "open circuit" refers to the fact that:
Choose your answer.
A electricity is used to test the regulator's air-
flow rate.
B the regulator is made from nonmagnetic
metal.
C the exhaled air is released directly into the
water.
D All of the above are correct.
3. All rebreathers recycle instead of
al- lowing them to be wasted into the water.
Choose your answer.
A carbon dioxide
B bubbles
C usable gasses
D air
4. Which of the following tank markings
designates the type of metal used to construct
the scuba tank?Choose your answer.
1/
25
, PADI IDC Equipment Final Exam – Simple Study
Guide
Open circuit
the exhaled air is released directly into the water.
usable gasses
3AL
2/
25
, PADI IDC Equipment Final Exam – Simple Study
Guide
5. Which of the following tank markings 7@89
designates the hydrostatic test date? Choose
your answer.
A 3AL
B 7@89
C 675432
D 3000
6. The (+) designation that appears on tanks
steel/10% denotes that the tank may be overfilled to
beyond its
working pressure. Choose your answer.
A steel/15%
B aluminum/10%
C steel and aluminum/10%
D steel/10%
7. Typically, aluminum cylinders have higher in the
working pressures so they hold comparable or cylinder is
slightly more air than steel cylinders. Choose measured
your answer. by the
amount of
A True water that is
B False displaced.
Choose your
8. During a hydrostatic test a scuba cylinder is
answer.
placed in a water-filled chamber. The cylinder
is then filled with water. As the water
pressure within the tank is
increased, the amount of expansion that occurs
3/
25
