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A new engineer is evaluating whether to use a higher-voltage transmission line. It will cost $250,000 more initially, but it will reduce transmission losses. The optimistic, most likely, and pessimistic projections for annual savings are $20,000, $15,000, and $8,000, respectively. The interest rate is 6%, and the transmission line should have a life of 30 years. Using the range of estimates, compute the mean annual savings and net present worth (NPW) for the higher-voltage transmission line.
Design a 300 + sl m long variable graded terrace for a land having an average slope of 2 %. Maximum permissible velocity of water in the terrace channel is 60 cm/sec.
A +2 percent grade on an arterial highway intersects with a -1 percent grade at station (535 + 24.24) at an elevation of 300 ft. if the design speed of the highway is 65 mi/h,
Where z is the water height above the center of the valve. Determine (a) the initial discharge velocity from the tank and (b) the time required to empty the tank. The tank is considered to be empty when the water level drops to the center of the valv..
Find the area of the parallelogram with vertices: P(0,0,0), Q(-2,4,0), R(-2,2,-2), S(-4,6,-2).
Design a 2:1 rectangular duct and fan system to pull 40000 scfm of air carrying a medium-density dust through an FCD (Final Control Device) with a ?P of 6.0 in. H2O. Assume the duct system must extend 120-feet and has four 90° elbows.
Two remediation options are being considered for a contaminated land area formerly used for industrial operations. Option 1 involves removing all of the contaminated soil over a two-year period at a cost of $2.2 million per year
a mass of 2kilogram is projected with a speed of 3m/s.if a plane inclined 20 degrees with the horizontal.after travelling travelling 0.8meters, the mass comes to rest. determine the coefficient of friction and also the speed as the black returns t..
Each of the three partners realizes that in order for the firm to continue at the present rate of growth a realistic business continuation plan must be in place which would include a viable by-sell agreement between the shareholders.
how kinematic and diffusion wave model been used for rainfall runoff modelling. main computer programme involved.
The engineer in charge of this project investigated severla alternatives to cool the exhaust gas and has concluded that the two most practical solutions would be either the installation of a waste heat boiler or the installation of a spray injecti..
Write a C program that calculates the factorial of the number from 0 to the integer N, which is not greater than 10
a photograph is taken of a transverse wave travelling along a length of rope. at this instant the shape of the wave is
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