Гидравлика, вариант 1

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Uploaded: 27.04.2013
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Option 1
Objective 1
When hydraulic testing of internal systems of water supply to drop the test pressure for 10 minutes. on .DELTA.P = 4,9 • 10 Pa. To determine the allowable amount of leakage ΔW for 10 minutes. when gidravliche¬skom test system with a capacity of W = 80 m3.

Task 2
Determine the excess pressure in the downhole depth of h = 85 m, which is filled with mud density ρ = 1250 kg / m.

Objective 3
Outdoor pontoon (see. Fig.) Having a rectangular parallelepiped-pipeda width B = 2 m and a length L = 5 m, height H = 0.5 meters and a weight G = 10 kN, received in the bottom of the hole diameter d = 15 mm. Considering the flooded hole opening in a thin wall, to determine the time during which the pontoon to sink.

Questions
1. The hydraulic calculation of pipelines
2. The first law of thermodynamics

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