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Refrigerant 134a enters an adiabtic compressor as a saturated vapour at -20degree c and exits at 1mpa pressure. If the isentropic efficiency of the compressor is 80 % determine the actual and ideal work input to the compressor in kj/kg,show the inlet state and the ideal and actual exit states on a T-s diagram ,including lines of constant pressure.
Determine the resultant of the three forces F1 = 2.0i + 3.3j - 2.6k; F2 = - i + 5.2j - 2.9k; and F3 = 8.3i - 6.6j + 5.8k, which are concurrent at the point (2, 2, -5.). The forces are in Newton's and the distances are in meters.
nitrogen n2 initially occupying 0.1 m3 at 6 bar 2478c undergoes an internally reversible expansion during which pv 1.20
a piston-cylinder assembly contains 2 lb of water initially at 300degf. the water undergoes two processes in series
a one kg metal part specific heat 0.7 kjkg k initially at 1234k is quenched in a bucket containing 20 gallons of water
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
a simple ideal rankine cycle with water as the working fluid operates between the pressure limits of 3 mpa in the
a temperature scale is defined by the equation tsti lim pi-0 pspi1.36609 as in gas thermomery but now the reaumur
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
a robotic manipulator weighs 393 lbf technical english on earth. what is the weight of the probe on the moons surface
Find Max Level Airspeed at 95% RPM and find Max Range Airspeed (VBR) and Max Endurance Airspeed (VBE) - find Max Specific Range and Max Range Airspeed
A paperclip is made of wire 1.25mm in diameter. If the original material from which the wire is made was 15mm in diameter, calculate the longitudinal and diametrical engineering and true strains that the wire has undergone during processing.
a sample of tungsten w contains an edge dislocation. w can be treated as elastically isotro pi c and the dislocation is
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