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A composite shaft consists of copper rod of 30mm diameter enclosed in a steel tube of external diameter 50mm and 10 mm thick. The shaft is needed to transmit a shaft is required to transmit a torque of 1000N-m. Evaluate the shear stresses developed in copper and steel, if both the shaft has equal length and welded to a plate at each end, so that their twists are equal. Take modulus of rigidity for steel as twice that of copper.
Maximum permissible stress in belt: Q: A belt 100mm wide and 8.0mm thick are transmitting power at belt speed of 160m/minute. The angle of lap for smaller pulley is 165º an
WHAT IS DIFFERENCE BETWEEN POROSITY AND BLOW HOLE
Evaluate the tension in the rope: Determine the tension in the rope. Solution KE of the free-body of flywheel is developed due to (i) work-done by tension T in the rop
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Resistance Seam Welding This is similar to spot welding except that the copper alloy electrodes are in the form of circular rollers. The overlapping sheets are held under const
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