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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.
Q. Show Corrosion of BFW Pump? BFW pumps are in high-pressure high-temperature service and may be subject to cavitation and erosion-corrosion. Also overheating of these pumps i
a) State FOUR factors that affect the effectiveness of hydrodynamic lubrication as a means of reducing friction between components. b) Under what conditions would boundary lubri
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
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mean effective pressure of dual cycle
tryton cycle
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