What is the maximum safe fill weight of a recovery cylinder with a tare weight of 30 lb, a water capacity of 40 lb, holding a refrigerant with a specific gravity of 1.2?
A) (30 lb + 40 lb) 0.8 = 56 lb (rounded) B) 30 lb + 40 lb = 70 lb (rounded)
C) 30 lb + (40 lb 0.8 1.2 ) = 68 lb (rounded) D) (30 lb + 40 lb) 1.2 = 84 lb (rounded)
Question 2
Good electrical insulators include:
A) Ceramic, rubber, and plastic. B) Gold, silver, and copper.
C) Copper, aluminum, and steel. D) Steel, iron, and aluminum.
The movement of air and water in sandy soil.
Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
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