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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. 4. The following data relate to a Pelton wheel:
Head = 72 m, speed of wheel = 240 r.p.m., shaft power of the wheel = 115 kW, speed , coefficient of velocity = 0.98, ratio = 0.45, overall efficiency = 85%, Design the Pelton wheel.
Q. Show Pneumatic Test? Pneumatic testing presents hazards that must be addressed as part of the engineering design of the pressure vessel. Due to the additional hazards of
The first successful numerical machine tool was developed at MIT in the year:
describe equivalence of kelvin planck and clausious statement
Brazing Vs Welding Following are the differences between brazing and welding. (i) In brazing, the joint surfaces are not raised to fusion point (or melted) and the joint is
(a) Describe the basic procedure for mechanical engg. design. (b) What is the relationship between the functional requirement and appearance of product?
actual division 2km is shown as 1 cm in a map.construct a clean scale to measure km which can travel a distance upto 30 km.Show measurement of 18 km in the scale
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Relationship between two specific heat ? Sol: dQ = dU + dW; for a perfect gas dQ at constant pressure dU at Constant volume; = mC v dT = mC v (T 2 - T 1 ) dW at
Determine the Excavation of soil Excavation of soil in open well foundations is done by dredging with grab buckets or similar equipment. The volume of excavated soil always e
Wave motion takes place all throughout nature, from the waves of the ocean to the electromagnetic waves that comprise visible light. Though different types of waves involve differe
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