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Cold water hastens the onset of two potential hazards when deep diving .
These are : - CORRECT ANSWER-Nitrogen narcosis and decompression
sickness
The buoyancy of a cylinder can vary drastically from when it is : - CORRECT
ANSWER-Full , to when it is low
A 9 meters - per - minute ascent rate means that you will ascend 3 meters
every : - CORRECT ANSWER-20 seconds
Your diving instruments become much more critical to your safety when
deep diving because depth , time , direction and breathing gas must be : -
CORRECT ANSWER-Constantly monitored
During the ascent , the distance between you and your buddy in case you have to help
each other should be : - CORRECT ANSWER-Arms length
When planning a deep dive , you should buddy up with a diver who has an SAC similar
to yours and who is using : - CORRECT ANSWER-The same size cylinder with same
filling pressure
Which design of first - stage is designed to maintain excellent breathing performance all
the way down to a very low cylinder pressure ? - CORRECT ANSWER-Balanced
Decompression diving is defined as " a dive that exceeds the no-decompression limits "
and requires : - CORRECT ANSWER-Planned decompression stops
When deep diving , each person is an important part of the plan and should participate
in : - CORRECT ANSWER-The planning process
, Breathing gas supply becomes the limiting factor on most deep dives . That's why SSI
recommends to have : - CORRECT ANSWER-An additional gas supply available at 5
meters
A minimum surface interval is required after doing daily multiple dives , for several days
or doing decompression dives before you go on a flight or elevate to altitude . SSI's
recommendation is to stay out of the water for : - CORRECT ANSWER-More than 24
hours
The 30 to 39 meter depth limits are recommended only for those divers that are : -
CORRECT ANSWER-Experienced , qualified and in excellent physical condition
Deep diving can lead to dizziness or disorientation , eventually unconsciousness during
the dive , due to : - CORRECT ANSWER-Nitrogen Narcosis
To minimize the risk of decompression sickness , always adhere to : - CORRECT
ANSWER-Non - decompression limits
Something which you should never do with a dive computer while diving is : -
CORRECT ANSWER-Sharing with your Buddy
Because depth , bottom time and breathing gas supply are so important to deep diving ,
you should continually monitor : - CORRECT ANSWER-Your Information System
Deep diving requires a top - quality , high - performance Delivery System that will : -
CORRECT ANSWER-Perform well at any depth
Using SSI dive tables , should you exceed the Doppler no decompression time limits by
less than 5 minutes on any dive , it is recommended that you : - CORRECT ANSWER-
Ascend normally to 5 meters and stop for at least 10 minutes , or longer if your air
supply allows
Anytime a diver pushes the Doppler Non - Decompression Limits , there is a increased
risk of : - CORRECT ANSWER-DCS - Decompression Sickness
Your deep diving limits are based not only on the environment , but also on : -
CORRECT ANSWER-Your comfort level Your skill level Your personal experience level
Dive computers do not only assist in dive planning , but they also allow you to increase
your bottom time by giving credit for time spent at : - CORRECT ANSWER-Shallower
depths
Your descent rate should not exceed : - CORRECT ANSWER-Your comfort level