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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.
Ancillary Railway Structures: Overhead Transmission Lines When the line is electrified, the electric loco has to pick up the electric current from a cable that runs
Qusetion: A body when projected vertically up covers a total distance s, during its time of flight. If we neglect gravity then how much distance, the particle will travel during
Aluminium Cast Alloys: Aluminium alloys the cast through any one of the given processes. Sand Casting is the easiest and most versatile process minute castings, complex ca
Q. Define spot welding electrodes • To conduct the welding current to the work pieces. • To transmit to the work pieces in the weld area the amount of force needed to pro
Pneumatic system is a system that uses air to power something. For example, have you seen the tube systems at bank drive-up tellers? Air is used to drive the tubes back and forth f
Q. Which functions used for coating? • Improves arc stability by providing certain chemical which have this ability, by ionizing the path of arc. • Provides a protective gaseou
Data given for gear problem T P = 30 TG = 80 φ = 20o m = 12 mm Addendum = 10 mm then determine the length of path of contact, length of Arc of contact and contact Ratio.
Q. Define Zirconium and its alloys? Zirconium and its alloys were developed primarily for the nuclear industry, but have found many industrial corrosion-resistant applications
Consider a simple single machine system. It consists of workpieces that enter the system, wait their turn to be processed on a single machine, and then depart the system. The workp
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