The load distribution between the front and the rear axle of a motor vehicle weighing 1350 kg is that 48% of the load is taken by the front axle. The width of the track is 140 cm and the distance between the centers of the spring pads is 66 cm. Design a suitable I section fir the front axle assuming that the width if the flange and its thickness are 0.6 and 0.2 of the overall depth of the section respectively and the thickness of the web 0.25 of the width of the flange. Assuming a working stress of 915 kgf/cm2.

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A rigid beam AB is hinged at A and is connected to an aluminium alloy bar BC at the other end. The beam is also supported on a steel post DE through a rigid bearing at D, as shown is figure. At no load condition, the beam is horizontal and there is an initial clearance 8 = 0.1 mm between the beam and rigid bearing. Determine the maximum permissible load W which may be applied at B if the axial stresses are not to exceed 120 N/mm² for steel and 140 N/mm² for the aluminium alloy. All the connections may be treated as smooth pins. Take E = 2 × 105 N/mm² for steel and E=0.8 x 105 N/mm² for aluminium alloy. A 0.2 m 0.1 m D Rigid beam 8- 0.1 mm Steel post (1500 mm²) E 0.3 m W C B Aluminium alloy bar (800 mm²) 0.4 m

Kindly answer d, e, f, and g only.

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The shown L-shape cantilver is loaded as shown and fixed at A. It has a constant section of 40 mm X 20 mm. For point I located at 50 mm from support A, at the midheight of the section, determine the principal stresses, the principal planes and the maximum shear stress. y 50 mm 150 mm 40 mm 0.5 kN H- I 20 mm 3 kN 160 mm 2.5 kN