John Fietke and Olive Boir is to be ressed Mechanical failure database entry Q Search Ultimate tensile strength=900 MPa Question B6 (Elastic botted joints) What is the preload (kN) created on a bolt under the following conditions? Crado=109 Size MM6 Practice LOGAN Question B4 (Fatigue) What is the value of the fatigue stress concentration factor for a flat plate with a hole in it that has the following parameters? Material (steel) with S-700 MPa Plate cross section=300mm wide x 10 mm thick Hole diameter 8 mm Question B5 (Brittle) Using the Brittle Gerber Failure Criteria, what is the design factor against fatique failure of a component under the following conditions? Equivalent alternating stress 300 MPa Equivalent mean stress=100 MPa Endurance strength=450 MPa 0 nsors G 0. 4731 Assignment 1-Week 3 Assignment 1-Week 3 Progress Report Exemplars 2020 gnment 1-Week 4 Assignment 1-Week 2 Submit Assignment Week 3 Progress Report here m Assignment 1-Week 1 Asses Welcom Assignment 1- SolidWorks assembly and part files for IBC General John Fielke and Olive 1 More University of South Australia Assignment 1-Design Brief Mechanical failure database entry psi 5-750 MPa Q Search 245 INSERT EXAM PASSWORD ? Mechanical Design Practice V Not yet answered Marked out of 15.00 Prug Module 6mm Question B7 (Spur gears) Using the AGMA method, what is the bending stress (MPa) of a pinion's spur gear tooth under the following conditions? Face width=10 mm Pressure angle 20 Number of teeth on pinion=20 Number of teeth on gear = 40 Tangential force=450N Shock factor 15 Velocity factor= 21 Size factor=13 Mounting factor=14 Rim thickness factor=1 Question B8 (Brittle failure) Using the Modified Mohr brittle failure theory, what is the factor of safety against brittle failure for a cast iron component under the following conditions? First Principal stress-50 MP3 Second Principla stress=0 MPa Third Principal stress-400 MPa 5210 MPa CONTACT SUPPORT ED 0 17 More Submit Assignment 1- Assignment 1-Week& Assignment 1-Week 3 Progress Report Exemplars 2020 A Dashboard Assignment 1-Week 3 Assignment Week 2 Assignment 1-Week 1 University of South Australia !! General University of Welcome John Fleke and Olive 1 Assignment 1- SolidWorks assembly and part files for IBC Mechanical fallure database entry Assignment-Design Q Search INSERT EXAM PASSWORD Mechanical Design Practice ? Using the Modified Mohr brittle failure theory, what is the factor of safety against brittle failu component under the following conditions? First Principal stress=50 MPa Second Principal stress=0 MPa Third Principal stress=-400 MPa S-210 MPa Su-750 MPa Question B9 (Fracture mechanics) What is the safety factor against crack growth for the following conditions? Edge crack of 9 mm Pure bending on the beam creating a tensile stress of 120 MPa Beam width=200 mm Beam thickness = 8 mm Material fracture toughness, Kc = 75 MPa.sim Maximum file size: 1000MB, maximum number of al failure entry Design 1 P Flag question Marked out of 15.00 P=25 KN e=200 mm L=100 mm Mean coil diameter = 65 mm Wire diameter 6 mm Number of active coils=10 Compression force=1500 N Question A6 (Welded joints) For the weld shown in grey, what is the shear stress (MPa) in the weld from bending with the following parameters? ACT SUPPORT What is the shear stress (MPa) on a helical compression spring with the following parameters? 42-200 mm Weld size (leg length) = 6 mm Question A5 (Helical springs) What is the ultimate tensile strength (MPa) for a spring with material music wire" with a diameter of 0.8 mm? 10 6 red ed out of O Flag Destion How much power (kW) can be transmitted by the following flat belt? Initial belt tension = 1.5 kN Belt mass/m=8 kg/m Belt velocity=9 m/s Coefficient of friction (belt/drum) = 0.4 Angle of wrap on driver pulley=180° Question A8 (Chain) What is the design power (kW) for a chain drive with the following parameters? Motor power-25 kW The chain drive sprocket is driven by an electric motor The driven load provides a heavy shock The chain has 2 strands