Padi Open Water Diver Final Assessment Already Passed

My buddy and I are planning to dive at a site where the water and air temperature are near freezing. We plan to dive to 18 metres/60 for 30 minutes. What dive profile would we use when planning our dive? {Ans: 22 metres/70 feet for 30 minutes}I am likely to increase the risk of decompression sickness (DCS) if I... {Ans: Dive while tired, cold, sick, thirsty or injured}Refer to the regulator picture on the right. Each regulator part has a number next to it. Please choose the correct numeric order from the choices below {Ans: 1. Regulator first stage, 2. regulator second stage, 3. alternate air source second stage, 4. low pressure inflator hose for the BCD, 5. instrument console/gauges/computer}If I am not able to equalize my body air spaces, it may be because I have... {Ans: A cold, allergy or another medical problem}I know I am properly weighted for diving if I... {Ans: Float at eye level while holding a normal breath of air and with an empty BCD}I turn a glass upside down, trap the air in it by putting it in water, and then I take the glass down to 10 m/33