IDC - Certified Instructor Development Course Trainer Practice Test
IDC Dive Equipment & Technology
What is the primary purpose of the BCD (Buoyancy Control Device) in scuba diving?
Select your answer
A
To keep the diver warm in cold water
B
To allow the diver to control buoyancy at depth and at the surface by adjusting the volume of air in the bladder
C
To hold the scuba tank on the diver's back only
D
To protect against decompression sickness
Hint