Q1) (A) Two solid circular cross-section bar as shown in the Figure. If the stress in left portion is limited to 150 MN /m?, determine the diameter of the left portion(D). Find also the length of the right portion(a) if the total elongation of the bar is to be 0.2mm. Young's modulus is E = 210 GN/m². (B) If, in order to reduce weight whilst keeping the external diameter constant, the left portion is bored axially to produce a cylinder of uniform thickness, whatis the maximum diameter of bore possible given that the maximum allowable stress of the left portion is 180 MN/m²? The load can be assumed to remain constant at 160 kN. 0.03 m 160 kN D 160 kN diameter a
Q1) (A) Two solid circular cross-section bar as shown in the Figure. If the stress in left portion is limited to 150 MN /m?, determine the diameter of the left portion(D). Find also the length of the right portion(a) if the total elongation of the bar is to be 0.2mm. Young's modulus is E = 210 GN/m². (B) If, in order to reduce weight whilst keeping the external diameter constant, the left portion is bored axially to produce a cylinder of uniform thickness, whatis the maximum diameter of bore possible given that the maximum allowable stress of the left portion is 180 MN/m²? The load can be assumed to remain constant at 160 kN. 0.03 m 160 kN D 160 kN diameter a
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Q1) (A) Two solid circular cross-section bar as shown in the Figure. If the stress in left
portion is limited to 150 MN/m2, determine the diameter of the left portion(D). Find also the
length of the right portion(a) if the total elongation of the bar is to be 0.2mm. Young's
modulus is E = 210 GN/m².
(B)If, in order to reduce weight whilst keeping the external diameter constant, the left portion
is bored axially to produce a cylinder of uniform thickness, whatis the maximum diameter of
bore possible given that the maximum allowable stress of the left portion is 180 MN/m2?
The load can be assumed to remain constant at 160 kN.
0.03 m
160 kN
D
160 kN
diameter
a
0.4 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F707b3767-226e-4666-8566-4ef21f017346%2Fa9b58525-b6a7-47f8-935d-7987304dcb6a%2F5gvfmc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1) (A) Two solid circular cross-section bar as shown in the Figure. If the stress in left
portion is limited to 150 MN/m2, determine the diameter of the left portion(D). Find also the
length of the right portion(a) if the total elongation of the bar is to be 0.2mm. Young's
modulus is E = 210 GN/m².
(B)If, in order to reduce weight whilst keeping the external diameter constant, the left portion
is bored axially to produce a cylinder of uniform thickness, whatis the maximum diameter of
bore possible given that the maximum allowable stress of the left portion is 180 MN/m2?
The load can be assumed to remain constant at 160 kN.
0.03 m
160 kN
D
160 kN
diameter
a
0.4 m
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