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A certain generating power plant requires 1 MW output. Two types of Diesel- engine installations are available. One unit is a low-speed unit that can operate on a low-grade fuel at 5.08 bar IMEP. The other two high-speed units can operate at 6.8 bar IMEP but require more refined fuel. If the ISFC (indicated specific fuel consumption) is 0.105 kg/kW-hr, if the fuel for the low-speed engine cost $288/ton and that for the high-speed engines is $320/ton, and if the friction mep is 1.22 bar in both cases, determine the fuel cost of the two installations in mills per kilowatt- hour?
a single stream tube is selected to characterize the air flow past the wing of an aircraft in flight at an altitude of
Determine the temperature of the electric heater element and drawing of the temperature profile.
Immediately before failure, the testing machine records a force (F) of 50N, and a deformation (δ) of 2mm. We need to determine the maximum flexural strength (σ)
A refrigerating plant operating between temprature limit of 253k and 307k provides 4.5kJ/s of refrigerating effect. If the refrigerating efficiency of the plant is 0.76. calculate the power required to drive the plant.
what speed will the sleeve attain? The temperature oƒ the sleeve remains constant.
in an experiment similar to the procedure set out for part a of the calorimetry experiment 1.500 g of mgs was combined
260-pound weight is supported by two ropes, one forming a 40 degree angle with the ceiling and the other a 50 degree. Find the tension in each rope.
Determine a symbolic expression for the total thermal resistance of wall, including inside and outside convection effects for prescribed conditions.
Determine the number of revolutions that the motor executes in a) reaching its rated speed, b) coasting to rest.
What are the forces acting on workpiece during turning process. how workpiece should be clamp
a tank of 50 ft3 volume contains saturated ammonia at a pressure of 200 lbfin2. initially the tank contains 50 liquid
Two infinite parallel plates are separated by a distance h. The space between them is filled with a Newtonian fluid: density (rho), viscosity (mu). The lower plate is fixed
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