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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.
Q2.1 Using the stiffness method calculate axial forces and the deflections of the joints of the truss shown in the FIG. The truss was built using 50 mm x 50 mm x 5 mm SHS with E
a) Why cutting fluids are used for machining of metals? List different types of cutting fluids and additives for cutting fluids. b) What factors are responsible for surface fin
is there any other punch material for making cold forged nut except AISI M2
Calculate force transmitted by the man on the floor of lift: A vertical lift having total mass 500Kg acquires an upward velocity of 2m/sec over a distance of 3m of motion w
How are the refrigerants classified? Describe the desirable property of a good refrigerant. Explain in brief the thermodynamics, safe and physical working property of an ideal r
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hello I do not currently have my money. it turns out that you will not extend your hand to me.
Find out tension in the rop: Two blocks A and B are associated as shown in Figure (a). Mass of block A is 15 kg and this is resting on a surface having a coefficient of fricti
Cobalt-base super alloys (e.g. UNS R30155 (Grade 661) and R30816 (Grade 671)) have superior strength to the nickel base alloys above 1800°F (980°C). The refractory metal alloys
Q. Show Mass energy Relation? Until the time of Einstein, mass and energy were considered as two different physical quantities. But in 1905, with the help of postulates of the
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