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Question: 21222324 please answer the questions in less an hour...

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21,22,23,24 please answer the questions in less an hour
The beam in the figure is level before the distributed load is applied. steel wire 20 mm diameter 20 cm Mm 20 kN/m 4 cm 2 m 2 m The axial stress in the steel wire is most nearly O (A) 23 MPa O (B) 47 MPa (C) 95 MPa (D) 190 MPa
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Considering the stress-strain diagram for aluminum, which point is the fracture point? O (A) A O (B) B O (C) c (D) D
Water is flowing in a level circular pipe between points 1 and 2. The pressure at point 1 is 150 kPa. The pressure and velocity at point 2 are 170 kPa and 6.2 m/s, respectively. Neglecting friction, what is the velocity at point 1? O (A) 1.7 m/s O (B) 6.4 m/s O (C) 8.9 mis O (D) 20 m/s
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