SSI Open Water Scuba- Chapter 1 Study guide latest updated

Nose pocket - Answer- ___________ ____________ built into masks are used for equalizing pressure in the ears and sinuses. comfort, fit - Answer- The fin that is best suited for you will depend on your physical size, leg strength, environmental conditions and, most of all, ______ and _______ 25 - Answer- Water absorbs body heat ______ times faster than air. thickness - Answer- The amount of lead weight you will need will vary based on a number of things including the type, size, and _____________ of the suit you are using. 65-85 degrees F - Answer- Most recreational diving is done in temps between about 50 degrees F- 80 degrees F. Coverage and thickness preferences come into play at the warm and cold extremes of this range, but it is generally agreed that full wet suits should be worn from _______________. good, fit - Answer- A ____________ __________ is one of the most important considerations when choosing a wet suit. dry, suit - Answer- You may want to consider a __________ ___________ in waters below 65 degrees F. Self-Contained Under Water Breathing Apparatus - Answer- The acronym SCUBA stands for _______ ________ ________ _________ ___________. aluminum, steel - Answer- _________________ cylinders will affect your buoyancy more than ___________ , because there is a greater weight difference between a full and empty cylinder. submersible pressure gauge - Answer- There is no excuse for running out of air. Divers are equipped with a _______________ ______________ _____________ to monitor their air supply. computer - Answer- Using a _________________ provides the diver with many advantages over conventional analog gauges and dive tables. compass - Answer- The ____________ helps the diver the diver maintain a sense of direction when natural navigation is not possible due to lack of distinct under water features or low visibility. inflator hose - Answer- When using the manual control button, extend the __________ __________ to the highest point in order to get the greatest efficiency in deflation. Total Diving System - Answer- Diver's luggage is often the most important piece of equipment when it comes to the protection of your _________ __________ _________ recreational, alpha - Answer- The two kinds of flags used are the ______________ diver's flag and the ___________ flag, of th