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Consider the turbocharger of an internal combustion engine. The exhaust gases enter the turbine at 450 C at a rate of 0.02 kg/s and leave at 400 C. Air enters the compressor at 70 C and 95 kPa at a rate of 0.018 kg/s and leaves at 135 kPa. The mechanical efficiency between the turbine and compressor is 95 percent (5 percent of the turbine work is lost during its transmission to the compressor). Using air properties for the exhaust gases, determine (a) the air temperature at the compressor exit and (b) the isentropic efficiency of the compressor.
compare the work required at steady state to compress water vapor isentropically to 3 mpa from the saturated vapor
derive an equation that can be integrated to find the angular velocity of the bar as it passes through the vertical
a beer distributor incurs a penalty cost of 2 per case of shortage and a 1 charge per case left over in inventory at
A paper clip is made of wire 0.7 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering strain and true strain that the wire has undergone during processing.
steam flows steadily through an adiabatic turbine. the inlet conditions of the steam are 10 mpa 450 c and 80 ms and the
an air conditioner operating at steady state maintains a dwelling at 20 degrees celsius on a day when the outside
a four cylinder two stroke diesel engine has a cut-off ratio of 1.8 and a compression ratio of 22. it operates with an
Steam at 15 bar and 350 degrees C is expanded through a 50% reaction turbine to a pressure of 0.14 bar. The stage efficiency is 80% for each stage and the reheat factor is 1.05.
what is the maximum electric power per kilogram of water that can be obtained from a hydroelectric power station
How may data be managed to support a function (billing, human resources, accounting, finance, sales/marketing, training)?
a forty pound tool box 1 ft wide x 2.5 ft high is in the bed of a pickup truck. the coefficient of friction between the
today you have a savings account of 15 620. based on an annual interest rate of 4.2 what equal amount can you withdraw
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