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Water is to be supplied at a rate of 5000 kg/s to a hydro-electric generator located at the bottom of a lake at a height h. If the efficiency of the turbine-generator is 75% and of the generator 95%; using the first law of thermodynamics calculate the following: the efficiency of the turbine, the height in meters needed to produce 2413.8 hp of electric power, and the shaft power supplied by the turbine to the generator in KW.
the object abc consists of two slender rods welded together at point b. tod ab has a mass of 1kg and a length of 0.3m
a sail plane with a lift-to-drag ratio of 25 flies with a speed of 50 mph. it maintains or increases its altitude by
a large coal fired power plant has an efficiency of 45 and produces net 1500 mw of electricity. coal releases 25000
question1a piston cylinder device contains 25 g of saturated water vapor that is maintained at constant pressure of 300
a power plant is analyzed as a simple ideal rankine cycle with a boiler operating at 300 oc. steam leaves the boiler
on an overflow structure of 50 degrees slope the water depth measured normal to the surface of the structure is 1.2 m 4
12 lbm of carbon c reacts with 24 lbm of oxygen o2 to form 22 lbm of carbon dioxide co2 plus an unknown amount of
a harmonic motion is expressed as xt 0.6cos18pit - pi6 where xt is measured in inches t in seconds and the phase angle
water at a a flow rate of m 0.215 kgs is cooled from 70 degrees celsius to 30 degrees celsius by passing it through a
A round cantilever bar is loaded. Given diameter d = 50mm, T = 0.1P N.m, F = 10P N. Allowable stresses are 100 MPa in tension and 60 MPa in shear on a section at a = 120 mm from the free end. Determine largest P.
a plane wall with surface temperature 350c is attached with straight rectangular fins k 235 wm k. the fins are exposed
The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, how you would calculate the pressure loss during fluid flow between two points along the pipe.
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