Design Questions Set 21:
What should be the peripheral velocity of medium velocity gears?
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Which of the following is true for spur gears?
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If the center distance of mating gears with involute teeth is increased, the pressure angle
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If a cube of 40 mm side is subjected to a shear stress of 220 MPa, then calculate the strain energy stored in it. (Take G = 100 GPa)
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Annealing refers to heating the material to a temperature
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What is the primary function of a washer?
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A hollow shaft has an outer diameter twice the inner diameter. What is the ratio of the torque carrying capacity of this hollow shaft to a solid shaft of the same material and outer diameter?
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Two steel rods connected by a cotter joint are subjected to a 70 kN load each. What is the minimum diameter required for the rods? (Given: Yield Stress = 500 N/mm², Factor of Safety = 4)
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In an application, the bearing is subjected to both radial and axial loads. Which type of rolling contact bearing would you suggest?
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Which of the following is not the correct assumption of the Lewis formula for tooth bending strength of a spur gear?
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