Situation X:A series of uniformly spaced hangers along a parabolic cable supports a 60 – m pipeline a5 shown. The total weight of the pipe and water is 7kN/m. w (kN/m) Test Bank: Engineering Mechanics Principle of Structural Analysis and Design 31. Calculate the minimum sag (m) of the cable if the allowable tensile load of the cable is 3200 kN. А. 1.1 В. 0.9 С. 1.0 D. 0.8
Situation X:A series of uniformly spaced hangers along a parabolic cable supports a 60 – m pipeline a5 shown. The total weight of the pipe and water is 7kN/m. w (kN/m) Test Bank: Engineering Mechanics Principle of Structural Analysis and Design 31. Calculate the minimum sag (m) of the cable if the allowable tensile load of the cable is 3200 kN. А. 1.1 В. 0.9 С. 1.0 D. 0.8
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Situation X:A series of uniformly spaced hangers along a parabolic cable supports a 60 – m pipeline
a5 shown. The total weight of the pipe and water is 7kN/m.
w (kN/m)
ppeine
Test Bank: Engineering Mechanics
Principle of Structural Analysis and Design
31. Calculate the minimum sag (m) of the cable if the allowable tensile load of the cable is 3200 kN.
А. 1.1
В. 0.9
С. 1.0
D. 0.8
32. If the sag is y = 3 m, calculate the tensile stress (MPa) at mid length of the cable If its diameter is
75 mm.
В. 265
С. 221
D. 238
A. 242
33. If the sag is y = 3 m, calculate the maximum additional load (kN/m) can the cable support if its al-
lowible tensile load is 2000kN.
A. 6.0
В. 5.8
С. 6.5
D. 4.6
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