Dive master exam questions and answers with complete solution

Dive master exam questions and answers with complete solution Why does water absorb more heat than air? - Answer ️️ -- it is denser - it forms weaker bonds What takes away heat from the body... times faster than air - Answer ️️ -20 Refraction magnifies objects underwater by a ratio of ... - Answer ️️ -4:3 objects appear ... % closer and ... % larger underwater - Answer ️️ -25 %, 33% Light changes... as it passes through water - Answer ️️ -speed, causing it to change direction slightly What is visual reversal? - Answer ️️ -in very clear water objects appear further away due to the particles in the water that resembles haze over great distance Sound travels slightly more than ... times faster in water than air - Answer ️️ -4 What determines how well sound travels through a substance? - Answer ️️ -Elasticity- water has a higher elasticity than air so travels faster what is absolute absolute pressure - Answer ️️ -the total pressure what is ambient pressure - Answer ️️ -the surrounding pressure for every ... metres, the pressure increases by ... (plus one for the surface) - Answer ️️ -10, 1 for every ... meters in freshwater, the pressure increases by 1 - Answer ️️ -10.3 Double the surface pressure= - Answer ️️ -half the volume at a depth of 20 metres, what would the pressure and volume be? - Answer ️️ -Pressure = 3 bar and volume = 1/3 full Double pressure.. - Answer ️️ -double the density (or half pressure = half the density) if we were diving 40 meters, the cylinder would only last ... of the time at the surface - Answer ️️ -1/5