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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.
Find out the average resistance of the ground: In a construction of pile-driving for building, a pile driver of mass 25 kg freely drops through a height of 3 metre on the top
tree branch trimmer
A thin spanwise symmetrical wing has an aspect ratio of 10 and a straight edges with taper ratio (tip chord / root chord) of 0.8 and root chord of 1 m. This wing does not have geo
Q. Illustrate about Plant Type and Process? Plant layout is influenced by the type of plant (both the industry and technology utilized) and the kind of process units and associ
Force - Mechanics: Sometime we push the wall, then there are no changes in position of wall, but no doubt we apply a force, as the applied force is not sufficient to move the
Fracture toughness of material of plate: A large thin plate carrying a crack of 70 mm at its centre is subjected to fluctuating stress cycle perpendicular to crack. s max = 7
PROBLEM 1 (30 points) Consider a Boeing 747-400 at weight close to the maximum takeo? weight (MTOW) cruising at Mach 0.82 at an altitude of 32000 ft. (a) How much thrust is needed
Estimate the Weight of the Casting A Yoke casting shown in Figure is to be produced by sand casting process. Estimate the weight of the casting if the density of the material
The Circular Orbits The bounded motion of a particle in a central force is in general an ellipse given by where eccentricity e is related to semi-major and minor axes a
Standards for product modeling. The models include : (a) A presentation model which defines the type of presentation of information. For instance how the product can be vi
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