L1 - Aqualung Flashcards
(9 cards)
1
Q
What makes up the Aqualung?
A
Cylinder, harness and regulator
2
Q
Steel cylinder features (2)
A
Strong material, smaller
3
Q
Aluminium cylinder features (2)
A
Resistant to erosion, larger
4
Q
Which cylinder is more buoyant steel or alum.?
A
Aluminium due to thicker walls as it displaces more water
5
Q
How often should a cylinder undergo Hydrostatic testing?
A
Every 5 years
6
Q
How often does a cylinder require a periodic inspection?
A
Every 2.5 years
7
Q
What are spare air cylinders?
A
Trade name of 0.5L capacity cylinders unsuited to providing an adequate safety margin.
8
Q
Minimum SMB buoyancy?
A
10kg
9
Q
A
