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A cylinder with a piston restrained by a linear spring contains 2kg of carbon dioxide at 500 kPa, 400 C the system is now cooled to 40C, at which point the pressure is 300 kPa. You may assume ideal gas behavior with constant specific heat value Cv=0.6529 kJ/kg-K (a) Calculate the work for the process, in kJ (b) Calculate the heat transfer for the process, in kJ
geothermal steam is planned as an energy source for power generation. the steam enters and adiabatic exchanger at 2
a projectile is launched from point a with initial speed v0 and makes an angle ?n with the horizontal. it hits the
a slab of aluminum of area 2m2 and with a mass 9 kg is lying on some insulation on the surface of the moon during
What is the inner tube surface temperature at the outlet, where fully developed conditions may be assumed?
A brass rod is stress-free at room temperature (20 degrees Celsius). It is then heated up but prevented from lengthening at its ends by external forces. At what temperature does the stress in the rod reach 172 MPa? Assume the modulus of elasticity is..
the turbine of a steam power plant operating on a simple ideal rankine cycle produces 1750 kw of power when the boiler
Calculate the delta velocity required to change the inclination of a circular orbit at 32,000 km altitude from a 28.5 degree inclination to an inclination of 45 degrees. Compute the propellant used if the satellite weighs 1200 lbs after the manoeuvre..
your town has a proposal to install solar panels on the roof of the combined city hall - police station - fire station
A horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50oC in a large room where the air (h = 6.5 W/m2.oC) and wall temperature are at 20oC. The surface emissivity of the steel may be taken as 0.8. Calculate the total he..
the yield stress of a tension specimen machined from a 0.5 m wide by 0.6 cm thick copper sheet is 145 mpa. the sheet is
a cylinder having an initial volume of 3 msup3 contains 0.1 kg of water at 40ordmc. the water is then compressed in an
a mass of 5kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 125kpa. initially
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