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A jet strikes tangentially a smooth curved vane moving in the similar direction as the jet, and the jet gets reversed in the direction. Prove that the maximum efficiency is slightly less than 60 percent. The following data relate to a Pelton wheel:
Head = 72 m,
speed of wheel = 240 r.p.m.,
speed , ratio = 0.45,
coefficient of velocity = 0.98,
shaft power of the wheel = 115 kW,
overall efficiency = 85%,
Design the Pelton wheel.
a) A carbide tool with mild steel work piece was found to give life of 2hours while cutting at 50 mpm. Calculate the tool life if the same tool is used at a speed 25% higher than p
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Please help me with this question if you are 100 % sure that you will assure me a perfect grade. Please let me know as soon as possible. I need the solution within 18 hours from no
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the velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m #Minimum 100 wor
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