1) Can you hold your breath at any time while diving or hovering?
Yes
No, never hold your breath while diving
Only on ascent
Only on descent
Recreational diving is considered to be?
No decompression diving to a maximum of 40 metres/132 feet
Diving on open circuit only
Diving with a sport rebreather only
Diving while on a recreational holiday
What is the no decompression limit or NDL?
The safety stop for 5 minutes
The maximum allowable dive time at depth, without requiring a decompression stop
A decompression stop at 5 metres/16.5 ft for 3 minutes
It is a form of decompression sickness
How do you breathe underwater?
Slowly and quickly with a pause at the end of each breath
Shallow and fast
Breathe in, hold breathe out hold breathe in hold out hold
Continuous deep slow full breaths
When diving what are some safety items and tips to consider?
Oxygen and first aid kit
Surface support person
Always dive with a buddy
All of the above
6) OW20 What is the best way to communicate underwater
Talking to each other
Hand Signals
rope pulls
no answers are correct
What should you do if you hear the dive boat recall signal?
Surface slowly with your buddy away from underneath the boat
Establish positive buoyancy on the surface
Wait for the captains signals
All answers are correct
OW20 If your buddy signals with a thumb pointed up what does this mean
Your buddy is signalling OK
Your buddy is signalling to descend
Your buddy is signalling to ascend
Your buddy is signalling the number one
What should you do if planning to dive and you are taking medication?
Consult a Medical Dive Physician to determine if it is safe to dive
If you are comfortable then dive
Dont take your medications before the dive
What does the word SCUBA stand for?
Self contained underwater buoyancy apparatus
Specially constructed underwater breathing apparatus
Self contained underwater breathing apparatus
none of the above
Last changeda year ago