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Flashcards in Super written study Deck (3):
1

static pressure of 80 on a hydrant supplied by a water tank, how high is water level in tank?

80 x 2.3 = 184 feet Height = 2.3 x pounds pressure

2

weight of water on a roof 60’ x 30’ x 2’ in tons.

60x30x2 = 3600 cubic feet
3600 x 62.5 = 225,000 divided by 2000 = 112.5 tons

3

When pumping at 200psi net pump pressure, a class a pumper rated at 1000 gpms should deliver how many gpms

200psi = 70%
70% of 1000 = answer 700gpm