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Angelina_Jolie [31]
1 year ago
12

special metal hangers or stirrips called joist hangers are used when joist must be _____ the bottom of the grider or beam

Physics
1 answer:
djyliett [7]1 year ago
7 0

Answer:

Special metal hangers or stirrups called joist hangers are used when joist must be flush with the bottom of the girder or beam.

Explanation:

  • A joist hanger also known as a beam hanger is a mechanical device which is used to fasten joists and rafters.
  • The rafters are the carried members to beams and headers are the carrying members.

Thus, special metal hangers or stirrups called joist hangers are used when joist must be flush with the bottom of the girder or beam.

Learn more about construction here:

brainly.com/question/14428327

#SPJ4

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Water flows through a horizontal pipe of varying cross-section. In the first section, the cross-sectional area is 10 cm2 and flo
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(b) the pressure of the second section is 6.33 x 10⁴ Pa

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area of the first cross section, A₁ = 10 cm²

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Q₁ = Q₂

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V₂ = Q₁ / A₂

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V₂ = 1100 cm/s = 11 m/s

(b) the pressure of the second section (P₂)

Apply Bernoulli's equation;

P₁ + ¹/₂ρV₁² = P₂ + ¹/₂ρV₂²

where;

ρ is density of water = 1000 kg/m³

V₁ is the speed of water in the first section;

Q₁ = A₁V₁

V₁ = Q₁ / A₁

V₁ = (2750) / (10)

V₁ = 275 cm/s = 2.75 m/s

P₂ = P₁ + ¹/₂ρV₁² - ¹/₂ρV₂²

P₂ = P₁ + ¹/₂ρ(V₁² - V₂²)

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P₂ = 1.2 x 10⁵ Pa + 500(-113.438)

P₂ = 1.2 x 10⁵ Pa - 0.567  x 10⁵ Pa

P₂ = 0.633 x 10⁵ Pa

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