Join and win fantastic prices. More details at: diveasia.com/blog/2010/05/dive-asias-june-giveaway.html
Today’s question: the term “open circuit” refers to the fact that:
A: electricity is used to test the regulator’s air-flow rate
B: the exhaled air is released directly into the water
C: the regulator is made from nonmagnetic metal
D: the Artists perform under the blue sky
Send your answer to firstname.lastname@example.org or post it here. The Winner will be announced, tomorrow 23rd of June at 12:00 noon Thailand time, just before we post the next question.
Q 21 is closed! The Correct Answer of June 20th Quiz is: only C: wave lengths. Yes, you can use tank pressure for distance estimation. Please refer to PADI’s Adventures in Diving, Underwater Navigation, Page 265: Distance Estimation. Today’s Winner is David Hilbourne from Bangkok. Congratulations on entering the final Lucky Draw on July 1st.