Question C1 The thin-walled pipe (Figure QC1) has an inner diameter of 10 mm and a...
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Question C1 The thin-walled pipe (Figure QC1) has an inner diameter of 10 mm and a thickness of 0.5 mm. If the pipe is subjected to an internal pressure of 3.5 MPa and the axial tension and torsional loadings shown: 800N 30Nm Figure QC1 a. What is the area of the pipe cross-section 30 Nm 800 N [2 marks] b. What is the polar second moment of area J [2 marks] c. Determine the longitudinal stress due to the normal load [2 marks] d. Determine the longitudinal stress due to the applied pressure, [2 marks] e. What is the combined longitudinal stress due to both normal load and applied pressure [2 marks] f. Determine the hoop stress [4 marks] g. What is the shear stress due to the applied torsional load [4 marks] h. Sketch an element of the thin walled pipe and show the normal and shear stress applied [3 marks] i. Determine the principal stresses [4 marks] Jan 2020 Page 14 of 16 Question C1 The thin-walled pipe (Figure QC1) has an inner diameter of 10 mm and a thickness of 0.5 mm. If the pipe is subjected to an internal pressure of 3.5 MPa and the axial tension and torsional loadings shown: 800N 30Nm Figure QC1 a. What is the area of the pipe cross-section 30 Nm 800 N [2 marks] b. What is the polar second moment of area J [2 marks] c. Determine the longitudinal stress due to the normal load [2 marks] d. Determine the longitudinal stress due to the applied pressure, [2 marks] e. What is the combined longitudinal stress due to both normal load and applied pressure [2 marks] f. Determine the hoop stress [4 marks] g. What is the shear stress due to the applied torsional load [4 marks] h. Sketch an element of the thin walled pipe and show the normal and shear stress applied [3 marks] i. Determine the principal stresses [4 marks] Jan 2020 Page 14 of 16
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