# PADI Dive Physics - Quick Quiz 1 Answers

1. A Balloon with a volume of 4 Liters at the surface is taken to a depth of 26 meters in salt water. What will the volume of the balloon be at this depth?

a. 1.5 liters

b. 10.4 liters

c. 14.4 liters

d. 1.1 liters

2. A diver consumes 100 psi of air every 20 minutes at the surface. How many psi will they consume in 20 minutes at 33 meters of salt water?

a. 430 PSI

b. 330 PSI

c. 30 PSI

d. 23 PSI

3. If it takes a diver 180 minutes to breathe through the air in tank at the surface, how long will it take to breathe through the same tank at 45 meters of salt water?

a. 990 minutes

b. 40 minutes

c. 32 minutes

d. 34 minutes

4. If a diver consumes 50 PSI of air every 10 minutes at 40 Meters, how many PSI will the diver consume in 10 minutes at the surface? The diver was in salt water.

a. 12.5 PSI

b. 10 PSI

c. 250 PSI

d. 200 PSI

5. If you have a balloon with a volume of 3 Liters at a depth of 27 Meters. What would the volume of the balloon be at the surface?

a. 8 Liters

b. 11 Liters

c. 1 Liter

d. 0.8 Liters

6. If it takes a diver 20 mins to breathe through a tank of air at 90 Meters, seawater, how long would it take for the same diver to breathe through the same tank at the surface?

a. 180 mins

b. 200 mins

c. 194 Mins

d. 174 Mins