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A small company has developed a specialized product that it configures specially for each customer. New customers usually have specific requirements to be incorporated into their system, and they pay for these to be developed. The company has an opportunity to bid for a new contract, which would more than double its customer base. The new customer also wishes to have some involvement in the configuration of the system. Explain why, in these circumstances, it might be a good idea for the company owning the software to make it open source.
an electric power distributor charges residential customers 0.10 per kilowatt-hour kwh. the company advertises that
it takes 15 seconds to raise a 1200 kg car and the supporting 300 kg hydraulic lift platform to a height of 2.8 m. the
a series of cold rolling operations are to be used to reduce the thickness of a plate from 50mm down to 25mm in a
a 10 m3 oxygen tank is at 15 degree c and 800 kpa. the valve is opened and some oxygen is allowed to escape until the
a steam power plant operates on an ideal reheat-regenerative rankine cycle and has a netnbsppower output of 80 mw.
A long cylindrical electrical heating element of diameter D=10mm, thermal conductivity k=240 W/mC, density =2700 kg/m^3 and specific heat c_p=900J/kgC is installed in a duct for which air flows in a cross flow over the heater at a temperature and vel..
a pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. the moment of inertia of the
Propane gas (C3H8) at 25oC, 1 atm enters an insulated reactor operating at steady state and burns completely with air entering at 25oC, 1 atm. Plot the adiabatic flame temperature versus percent of theoretical air ranging from 100 to 400%.
a six-cylinder four-stroke spark-ignition engine operating on the ideal otto cycle takes in air at 100 kpa and 25oc and
one axis of a rrl robot is a linear slide with a total range of 950mm. the robotrsquosnbspcontrol memory has a 10 bit
Steam enters the turbine of a simple vapor power plant with a pressure of 10 MPa and temperature (T), and expands adiabatically to 6kPa. The isentropic turbine efficiency is 85%. Saturated liquid exits the condenser at 6 kPa and the isentropic pump e..
air initially at 27 degrees c is contained in a piston-cylinder. calculate the minimum work required to compress the
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