PADI Dive Questions with verified answers
A diver consumes 4 bar/60 psi per minute at 10 meters/33 feet in sea water with
a given cylinder. Using the same cylinder, what is the divers consumption rate at
33 meters/108 feet? (Round to the closest whole bar/psi) Ans✓✓✓ 9bar 128psi
A diver is using enriched air that consists of 32% oxygen, 68% nitrogen. What will
the partial pressures of oxygen and nitrogen be at a depth of 14 meters/46 feet in
sea water? Ans✓✓✓ .77 1.63
A forceful Valsalva and delayed middle ear equalisation can cause what?
Ans✓✓✓ round window rupture
Best time to dive? Ans✓✓✓ slack tide after high tide
Decompression Sickness types and general areas affected? Ans✓✓✓ nervous
system
Divers who act strangely or foolishly at depth may start acting normal again if
they: Ans✓✓✓ breath slowly, ascend to a higher depth, ask a buddy for help
Heat stroke, what do you do? Ans✓✓✓ Cool the diver and get him to a medical
station
If we take a full scuba tank down to 3 ata, what would its new volume be?
Ans✓✓✓ unchanged
, If you and your dive buddy were separated / couldn't find each other underwater
what would you generally do? Ans✓✓✓ look for a minute then go up to the
surface
If you are having to work too hard and find it difficult to breathe underwater, you
should: Ans✓✓✓ swim to your partner and signal for help
If you descend and then you find your ears or sinuses hurt while you are going
down, it normally means: Ans✓✓✓ you need to equalize
If you hold your breath while scuba diving it can Ans✓✓✓ damage your lungs, life
threatening injuries, push air into the blood stream and chest
Imagine you feel a mild current at the start of your dive. How should you begin
this dive? Ans✓✓✓ into the current
Imagine you were diving from a dive boat (common in most dive resorts) and get
caught in a strong current at the surface. Should you? Ans✓✓✓ float, signal for
help, and wait for the boat to pick you up
IMPERIAL — RDP table or eRDP: You are a newly qualified instructor and you are
planning to make two dives. The first dive is to 21 metres for 30 minutes, and the
second dive is to 15 metres for 36 minutes. How long would you have to stay on
the surface between dives (minimum surface interval) to do these two dives
safely? Ans✓✓✓ 1:04
IMPERIAL — RDP table or eRDP: You dive to 17 metres for 44 minutes. After a one
hour surface interval you do a second dive to 17 metres. Losing track of time, you
A diver consumes 4 bar/60 psi per minute at 10 meters/33 feet in sea water with
a given cylinder. Using the same cylinder, what is the divers consumption rate at
33 meters/108 feet? (Round to the closest whole bar/psi) Ans✓✓✓ 9bar 128psi
A diver is using enriched air that consists of 32% oxygen, 68% nitrogen. What will
the partial pressures of oxygen and nitrogen be at a depth of 14 meters/46 feet in
sea water? Ans✓✓✓ .77 1.63
A forceful Valsalva and delayed middle ear equalisation can cause what?
Ans✓✓✓ round window rupture
Best time to dive? Ans✓✓✓ slack tide after high tide
Decompression Sickness types and general areas affected? Ans✓✓✓ nervous
system
Divers who act strangely or foolishly at depth may start acting normal again if
they: Ans✓✓✓ breath slowly, ascend to a higher depth, ask a buddy for help
Heat stroke, what do you do? Ans✓✓✓ Cool the diver and get him to a medical
station
If we take a full scuba tank down to 3 ata, what would its new volume be?
Ans✓✓✓ unchanged
, If you and your dive buddy were separated / couldn't find each other underwater
what would you generally do? Ans✓✓✓ look for a minute then go up to the
surface
If you are having to work too hard and find it difficult to breathe underwater, you
should: Ans✓✓✓ swim to your partner and signal for help
If you descend and then you find your ears or sinuses hurt while you are going
down, it normally means: Ans✓✓✓ you need to equalize
If you hold your breath while scuba diving it can Ans✓✓✓ damage your lungs, life
threatening injuries, push air into the blood stream and chest
Imagine you feel a mild current at the start of your dive. How should you begin
this dive? Ans✓✓✓ into the current
Imagine you were diving from a dive boat (common in most dive resorts) and get
caught in a strong current at the surface. Should you? Ans✓✓✓ float, signal for
help, and wait for the boat to pick you up
IMPERIAL — RDP table or eRDP: You are a newly qualified instructor and you are
planning to make two dives. The first dive is to 21 metres for 30 minutes, and the
second dive is to 15 metres for 36 minutes. How long would you have to stay on
the surface between dives (minimum surface interval) to do these two dives
safely? Ans✓✓✓ 1:04
IMPERIAL — RDP table or eRDP: You dive to 17 metres for 44 minutes. After a one
hour surface interval you do a second dive to 17 metres. Losing track of time, you
