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PADI - IDC Equipment Final Exam SS- CL (2024/2025)
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PADI - IDC Equipment Final Exam SS- CL (2024/2025)
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PADI - IDC Equipment Final Exam SS- CL(2024/2025)
_________ and ________ are the two most common blends of enriched air. Choose
your answer.
A EANx30 and EANx40
B EANx32 and EANx36
C EANx30 and EANx36
D EANx32 and EANx40 - ANSWER-EANx32 and EANx36
_____________ scuba systems are the most common type of recreation scuba
equipment, are easy to use and maintain, and vent exhaled gases directly into the
water. Choose your answer.
A Rebreather
B Open circuit - ANSWER-Open circuit
A _________________ is used to tell you how much breathing gas you have left in your
cylinder at any time. Choose your answer.
A depth gauge
B pressure transducer
C dive computer
D submersible pressure gauge - ANSWER-submersible pressure gauge
A buddy team exits the water. Both divers are using dive computers. After a short
surface interval, they plan another dive to 18 metres/60 feet. One device allows 38
minutes of bottom time at 18 metres/60 feet, the other allows only 32 minutes. Based on
this information how should they plan their dive? Choose your answer.
A Plan a maximum bottom time of 38 minutes because computers are intentionally
designed to be more conservative than dive tables.
B Plan a maximum bottom time of 32 minutes because computers are intentionally
designed to be more conservative than dive tables.
C Plan a maximum bottom time of 38 minutes but be sure to make a safety stop before
surfacing.
D Plan a bottom time of somewhat less than 32 minutes and make a safety stop before
surfacing. - ANSWER-Plan a bottom time of somewhat less than 32 minutes and make
a safety stop before surfacing.
A valve that tends to open in the direction of flow is referred to as _____________ while
a valve that tends to close in the direction of flow is referred to as _____________.
Choose your answer.
, A open circuit/closed circuit
B closed circuit/open circuit
C upstream/downstream
D downstream/upstream - ANSWER-downstream/upstream
A/An _________________ operates by not allowing water to directly contact the first
stage piston or diaphragm. Choose your answer.
A submersible pressure gauge
B unbalanced valve
C environmental seal
D All of the above. - ANSWER-environmental seal
All rebreathers recycle ________________ instead of allowing them to be wasted into
the water. Choose your answer.
A carbon dioxide
B bubbles
C usable gasses
D air - ANSWER-usable gasses
An/A _________________ depth gauge works by using Boyle's law. Choose your
answer.
A bourdon tube
B analog
C pressure transducer activated
D None of the above. - ANSWER-None of the above.
Before using your computer for the first time, you should read the manufacturer's
instructions. Choose your answer.
A True
B False - ANSWER-True
During a hydrostatic test a scuba cylinder is generally pressurized to ________ of it's
working pressure. Choose your answer.
A 5/3's
B 3/5's
C 9/10's
D 1/2 - ANSWER-5/3s
During a hydrostatic test a scuba cylinder is placed in a water-filled chamber. The
cylinder is then filled with water. As the water pressure within the tank is increased, the
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