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The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The diameter d of pulley A is 150 mm and the diameter d of pulley B is 480 mm. The maximum allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking bending and torsion factors as 1.25 and 1.75 respectively, Evaluate the shaft diameter. Also search out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts.
What are various types of damping ? Explain viscous damping. A vibrating system is defined by the following parameters : m = 4Kg, K = 10N/m, C =3N-Sec/m Evaluate (a) Na
Follow board pattern This type of pattern is adopted for those castings where there are some portions which are structurally weak and if not supported properly are likely to br
Calculate and draw the Shear force and Bending moment diagrams for the loaded beam and determine the maximum moment M and its location x from left end.
What is the amount of air is supplied to engine via turbochargers and how their sizes vary from engine to engine ?
When and why the Multi-plate clutch is used ? Illustrate the working and constructional features of a multi-plates dry clutch. Describe clearly the necessity of a transmission s
(a) What will happen if air filter is not used? (b) What are the components of an air filter? (c) What precautions should be followed while cleaning the air filter? (d) What grade
For an automotive component of your choice that is traditionally metallic, review how it could be re-engineered as a composite? How factors such as fibre & matrix type, fibre volum
What are the conditions where combined footings used? Two conditions in which it is used are as: a. When an exterior column is immediately adjacent to a property or mechanic
show that work and heat are path functions
An axial flow pump handling oil of specific gravity 0.8 at a rate of 1.0m3 s-1 is fitted with downstream guide vanes and its impeller rotates at 250 rev min-1. The oil approaches t
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