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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 distance through which the body will penetrates: A body having mass 25kg falls on the ground from height of 19.6m. The body penetrates into ground. Find distance through
Magnitude of a couple: So l.: For system, magnitude of couple is equal to algebraic sum of the moment about any point If the system reduces to couple, the resultant forc
derive the torsion formula as (torsion divided by radius) is equal to (modulus of rigidity multiplied by twist of angle all divided by the length of a cylinder)
(a) Draw a single point cutting tool and label clearly the several parts of it. Illustrate them in brief. (b) What are the several factors affecting tool life ? (c) List char
Q. Flange Bevel And Lap Ring Weld? The fillet weld attaching the lap ring to the shell shall be an equal leg fillet weld, with the leg dimension equal to the nominal shell thic
Design a Balasa wood truss car design
The Ordinate Dimension Command We can use The Ordinate command to annotate co-ordinate points with X or Y values. This might be useful for setting-out on site plans.
Compute the ratio of the torque: Compute the ratio of the torque transmitted by a hollow & a solid shaft of the similar material, length & weight. Solution d i = inte
In an I.C. engine operating on the Dual combustion cycle, the temperature of the working fluid (air) at the beginning of compression is 27ºC. The ratio of the maximum and minimum p
What is the coefficient expansion of transformer oil? Ans) Transformers can be filled with several types of Refined Mineral Oil. That coefficient is something you would find in
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