BKAT Final exam QUESTIONS WITH 100% CORRECT ANSWERS

Most cylinder explosions occur ______________, requiring _____________ to safeguard the person with the high pressure cylinder. subjected to fire, no smoking g use, a hydrostatic test g filling, a visual inspection g travel, a specialized vehicle g filling, a visual inspection You anchor your 20 ft. boat and notice a leaf floating by on the ocean surface, in a tide-generated current. You count 6 seconds as you observe it moving one boat length. You do not have a boat tender. You should: up for a drift dive and plan on surface swimming back to the boat when you are done lt the tide tables to see if this current might slacken soon, and wait for slackening current re for an easy dive by removing any excess weight from your weight belt of the these choices lt the tide tables to see if this current might slacken soon, and wait for slackening current 00:02 01:28 The two factors having the greatest effect on gas consumption are: density and temperature ator performance and density of breathing gas and fitness and diver activity capacity and breathing habits and diver activity A diver should begin to equalize the pressure in the ears when: ing a depth of about 30 feet ears begin to hurt ning to descend eustachian tube opens ning to descend The driving force that causes inert gas to dissolve into the bodies tissues is gradient between right and left ventricles of the heart. pressure gradient between the partial pressure of inert gas in the alveoli and the partial pressure of the inert gas in the surrounding tissues. difference in temperature between the surface water and the thermocline. pressure difference between the alveoli and the lungs. pressure gradient between the partial pressure of inert gas in the alveoli and the partial pressure of the inert gas in the surrounding tissues. If you get caught in a rip current, you should against the current. with the current. parallel to shore. perpendicular to shore. parallel to shore. Unless diving with a Diving Safety Officer, what is the absolute maximum depth for a 30 ft. diver? a. 60 ft if accompanied by a diver of equal authorization b. 100 ft if accompanied by a diver of greater authorization c. 60 ft if accompanied by a diver of greater authorization d. 40 ft if accompanied by a diver of greater authorization c. 60 ft if accompanied by a diver of greater authorization The solubility of a gas in a liquid varies in proportion to the partial pressure of that gas in the overlying space. What is this relationship is known as? a. The Henderson-Hasselbach equation. b. Dalton's Law. c. Guy-Lussac's Law. d. Henry's Law. d.Henry's Law. It is a requirement to log your dives using your OM's logging system in order to maintain scientific diver authorization. Select one: True False true If you are heading 170 and make a 30 turn to the right, what is your new heading: a. 200 b. 30 c. none of the these d. 140 200 According to Archimedes Principle, it is the _____ of the displaced fluid that equates to how much upward force is applied to an immersed object. a. Volume b. Buoyancy c. Weight d. Density Weight