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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.
Q. What is Slush moulding? Slush moulding is an excellent method for producing open-end objects. It is an inverse process of dipping, in which the inside of the mould is coated
A city owns and operates a garage in which maintenance and repair work is performed on city-owned vehicles. Included among these vehicles are motor-pool cars, heavy-duty trucks, an
Homogeneous and isotropic material: A homogeneous material implies that elastic properties like modulus of elasticity and Poisson's ratio of material are same everywhere in
Spot welding of different metals-Copper Resistance welding copper is perhaps the most difficult case owing to the high electrical and thermal conductivities of copper. If is no
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Write down the expressions for the physical laws that govern each mode of heat transfer, and identify the variables involved in each relation.
Illustrate throttling process and free expansion process in details? A fluid is confined in a cylinder by a spring loaded frictionless piston so that pressure in the fluid is a
Chisel: Chisels are used in the combination of hammer to remove metals. A set of chisels is shown in Figure. Figure: Chisel
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