PADI Recreational Dive Tables

Additional practice problems:
1.
a. Your first dive is to 40 feet for 60 minutes, what is your first pressure group?
b. You wait one hour before diving again, what is your new pressure group?
c. From your new pressure group, you dive to 50 feet, what is your residual nitrogen?
d. At 50 feet, you dive for 45 minutes, what is your total (residual + actual) dive time?
e. What is your new pressure group upon surfacing?

2.
a. Your first dive is to 60 feet for 40 minutes, what is your first pressure group?
b. You wait one hour before diving again, what is your new pressure group?
c. From your new pressure group, you dive to 40 feet, what is your residual nitrogen?
d. At 40 feet, you dive for 40 minutes, what is your total (residual + actual) dive time?
e. What is your new pressure group upon surfacing?









Answers to practice problems
1.
a. Pressure group N
b. Pressure group D
c. Residual nitrogen is 19 minutes
d. Residual + actual = total, 19 + 45 = 64
e. Pressure group U


2.
a. Pressure group Q
b. Pressure group F
c. Residual nitrogen is 31 minutes
d. Residual + actual = total, 40 + 31 = 73
e. Pressure group Q