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The hoover dam has a capacity to produce 2,080 MW of electrical power. The difference in height between the surface of Lake Mead (the upper reservoir) and the Colorado River at the exit is about 180 m. The dam is designed to allow 2067 m^3/s of water to pass through the turbines. If the efficiency of the turbine-generator system is 70 %, determine the irreversible power loss within the dam and the head loss. Assume the changes in kinetic energy to be negligible and the water to have a constant density of 1000 kg/m^3.
determine the maximum theoretical speed that may be achieved over a distance of 360ft by a car of weight w starting
Single degree of freedom vibration problems with forcing functions, Need help with this Undergraduate problem where two dampers are in series.
A particular grade of Nitinol SMA is capable of upto 6% strain recovery and develops an internal restoration stress of upto 300 MN m-2. Estimate the amount of force and distance of travel that could be triggered by warming a rod
you decde to have 2 hard boiled eggs for breakfast and prepare them by placing 2 refrigerated eggs into a pot of
a carnot engine operates between temperatures of 700 and 369 k. to improve the efficiency of the engine it is decided
Calculate the velocity v of the collar as it hits the stop at B if it is elevated from rest at A by the action of the constant 40-N force in the cord. The cord is guided by the small fixed pulleys.
Your engineering firm decides to build a prototype, and needs screw and nut fasteners as well as resistors and LEDs. There are machinists and electronics technicians available for in-house production. What is the most cost-effective way of acquiri..
Calculate the deflection from torsional moment Mt and bending moment Mb and, then discuss the deflection from the torsional moment Mt compared to the result of 2-1)
A dockworker applies a constant horizontal force of 71.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 11.5 in a time 5.00 . what is the mass of the ice block?
a pickup truck has a five liter four stroke cycle v6 si engine operating at 2400 rpm. the compression ratio rc10.21 the
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
why does a car engine stop when we turn the key even when the vehicle is running? the engine should run on alternator
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