Bsac Sports Diver Theory Exam Actual 2025/2026 Questions And 100% Correct Answers

BSAC SPORTS DIVER THEORY EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS When can a sports diver dive with an ocean diver or another sports diver? - Answer -In conditions already encountered by the ocean diver during their training and under the supervision of a dive manager. What's the initial limited depth for a sports diver? - Answer -20m What's the progressively extended depth of a sports diver? - Answer - 35m Is a neap tide small or large? - Answer -Small Is a spring tide small or large? - Answer -Large What causes a neap tide? - Answer -When the Moon is at a right angle to Earth and the Sun, creating the least amount of gravitational pull in one direction, creating weak tides. What causes spring tides? - Answer -The gravity of the sun and moon pull in the same direction, creating strong tides. Neap tides coincide with what? - Answer -The quarters of the moon Spring tides coincide with what? - Answer -New and full moonWhat's the average tide cycle in most places? - Answer -12 hours How many tide cycles in a day? - Answer -2 How many high tides in a day? - Answer -2 How many low tides are there in a day? - Answer -2 How many times do spring tides occur in a lunar month? - Answer -2 How many times do neap tides occur in a lunar month? - Answer -2 What's the tidal range? - Answer -High water - low water What's slack water? - Answer -At the tides turning point, when the water speed is at its slowest. What can make diving on a static site (e.g. a wreck) safer? - Answer - Diving in slack water What is ground swell? - Answer -When wind causing wave action on the surface can be felt on the sea bed. When is ground swell the roughest? - Answer -When the surface winds go against the tide/stream/current flow. Is an incoming or outgoing tide better for visibility? - Answer -Incoming What are five factors that can affect visibility? - Answer -- bad weather - tides - being close to river estuaries - lots of phytoplankton + zooplankton (most likely to be a problem in spring in most places.)-disturbance by divers. What's a thermocline? - Answer -Sudden change in temperature, may look oily/ shiny and produce a change in visibility What can you do to reduce the effect of glare on the surface (as a boat crew member, not a diver?) - Answer -- wear polarised sunglasses - position the boat with the sun behind you What are four things you should take into account when doing a risk assessment? - Answer -Conditions, depth, breathing gas and equipment As neoprene wetsuits compress, there is a loss of what? - Answer - Thermal insulation What precautions can you take to minimise the risk of a dive to yourself and your buddy? - Answer --don't dive if you're unsure - service equipment - back up supply of gas - pre agreed narcosis check (at agreed depth or gas level) - practiced rescue skills - What are the four practised rescue skills you'll do as a sports diver? - Answer -CBL/AS, basic life support (BLS), rescue breathing (RB), chest compressions (CC) What's the in water life support sequence? (6) - Answer -- make bouyant