A belt pulley is fastened to a 7.46125 shaft, running at 200 rpm, by means of a key 19.05mm wide and 12.7cm long. The permissible stresses in the key are 55.1 Mpa in shear and 96.5 Mpa in compression. Determine the power to be transmitted and required depth of the key

20 A force of 250 kN was needed to punch the hole through the 8 mm thick steel plate, as shown below. rosesloyotoled jau milubase Ø24 Farhododecirl most soumis SALP30 TOUREN stav (A) 76.11 MPa (B) 97.66 MPa (C) 203.75 MPa (D) 399.06 MPa Hora 100 39 Calculate the ultimate shear stress of the steel plate. 60 bobini dignoue Mould 10.00 (0) gnitroo ni beau Pefore on OV1 es des anglet of quilida fins lidi.is (8) constalter goisons (2) in boe migjow tigilan (0)

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Calculate the principle stresses and the maximum shear stress.