Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
Snorkeling System
|
Mask, Snorkel, Fins, Footwear, Snorkeling Vest, Snorkel Bag
|
|
|
Exposure System
|
Warm Water Dive Skins, Wet Suits, Dry Suit
|
|
|
Air Delivery System
|
Cylinder, First Stage Regulator, Second Stage Regulator
|
|
|
O Ring
|
This small rubber ring surrounds the air outlet and provides a seal between the cylinder and first stage yoke. Carry extras.
|
|
|
K Valves
|
most common valve in US, burst disk
|
|
|
DIN Valve
|
used on cylinders with a working pressure over 3000 psi
|
|
|
Regulator
|
regulators automatically adjust to increased pressure (ambient pressure) and deliver air to the diver on demand, via the second stage
|
|
|
First Stage Regulator
|
1. Reduce cylinder pressure to an intermediate pressure
2.Keep that pressure as constant as possible as the diver descends and ascends |
|
|
Second Stage Regulator
|
Reduces intermediate hose pressure to a more breathable ambient level
|
|
|
Alternate Air Source
|
comes into play in the unlikely event of the primary second stage failing, or for any reason you or your buddy nead air
|
|
|
Redundant Breathing System
|
small reserve air cylinder with its own regulator and a supply sufficient for a return; to the surface
|
|
|
Information System
|
Dive Computer, Submersible Pressure Guage (SPG), Depth Guage, Timing Device, Compass, Thermometer,
|
|
|
Bouyancy Control System
|
Bouyancy Compensator (BC), Weight System
|
|
|
Specialty Training and Accessory System
|
Luggage, flags and floats, Signalling devices, save a dive system, underwater lights, Divers tool
|
|
|
________ _________ built into masks are used for equalizing pressure in the ears and sinuses
|
nose pockets
|
|
|
The fin size that is best suited for you depends on your physical size, leg strength, environmental conditions, and most of all, _______ and ______
|
comfort and fit
|
|
|
Water absorbs body heat ____ times faster than air
|
25
|
|
|
The amount of lead weight that you will need will vary based on a number of things including the type, size, and ______ of the suit that you are using.
|
material?
|
|
|
Most recreational diving is done at the temps of 50-80 degrees F. Coverage and thickness preferences come into play at the warm and cold extremes of this range but it is agreed that full wet suits should be worn from ______ to _____.
|
65-80 degrees F
|
|
|
A _________ _______ is one of the most important things when choosing a wetsuit
|
good fit
|
|
|
You may want to consider using a ____ ______ in waters below 65 degrees F
|
dry suit
|
|
|
SCUBA stands for:
|
Self Contained Underwater Breathing Aparatus
|
|
|
__________ cylinders will affect your bouyancy more than ________ cylinders because there is a greater weight difference between an empty and full cylinder
|
aluminum, steel
|
|
|
There is no excuse for running out of air, divers are equipt with a ______ _______ _______ to monitor their air supply
|
submersible pressure guage
|
|
|
Using a ______ offers a diver many advantages over conventional analog guages and dive tables
|
computer
|
|
|
The _______ helps the diver maintain a sense of direction when natural navigation is not possible due to a lack of distinct underwater features or low visibility
|
compass
|
|
|
When using the manual control button, extend the _________ ________ to the highest point in order to get the greatest efficiency in deflation
|
inflator hose
|
|
|
Divers luggage is often the most important piece of equipment when it comes to protecting your _____ _____ _____
|
Total Diving System
|
|
|
Two kinds of flags used are the ______ divers flag, and the _____ flag, or the international diver down flag
|
international, alpha
|
|
|
Many live aboard dive boats and dive boat opperators now require that each diver have and use _____ _____ _____ so that they can more easily be seen on the surface for pick up or after a dive
|
inflatable surface markers
|
|
|
When travelling, it is recomended that you carry an extra _____ and extra ____ and ____ pressure hoses
|
mask, high, low
|
|
|
In the US, a cylinder must be hydrostatically tested every ___ years and visually inspected every ____.
|
five, year
|
|
|
Work with your local SSI Dealer and instructor in determining your needs and aquire your own _____ as soon as you can
|
equipment
|
