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  3. problem 3 a 01 m long hollow steel shaft is...

Question: problem 3 a 01 m long hollow steel shaft is...

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Problem 3 A 0.1 m long, hollow steel shaft is to transmit 4000 Nm of torque and is to be sized so that the torsional stress does not exceed i 50 MPa. The inside diameter is ¾ of the outside diameter. Elastic modulus is 200 GPa, and shear modulus is 80 GPa. Determine the following: a) What are the inner and outer diameters of the shaft (outer diameters of the tube are (A) 48.75mm, 65mm (B) 30mm, 40mm (C) 45mm, 60mm (D) 60mm, 80mm b) If the inner and out diameters are 70 and 52.5 mm, what is the stress on the inside of (A) 65.2 MPa c) If the inner and out diameters are 70 and 52.5 mm, what is the stress on the outside of (A) 26.1MPa d) If the inner and out diameters are 70 and 52.5 mm, what is the angle of twist in (A) 0.19 deg 0 available in increments of 5mm)? (10 points) the shaft when full torque is applied? (5 points) (B) 88 MPa (C) 58.9 MPa (D) 70.1 MPa the shaft when full torque is applied? (5 points) (B) 117.3MPa (C) 86.9 MPa (D) 78.6MPa (5 points) degrees? (B) 0.18 deg (C) 0.24 deg (D) 0.096 deg
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