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Steam having a specific Enthalpy of 160 kJ/kg and pressure of 1 kPa enters as adiabatic pump. Upon leaving the pump, the steam is at a pressure of 1200 kPa and has a specific enthalpy of 170 kJ/kg. No kinetic or potential energy changes occur through the pump. Determine (a) the pump work, wk, per kilogram of steam (b) the average density of steam, assuming that the pump is reversible in nature.
A piston-cylinder device is insulated and contains 0.005 m3 of saturated liquid water at a constant pressure of l50 kPa. An electric resistance heater inside the cylinder is now turned on, and 1800 kJ of energy is transferred to the steam.
a projectile is fired at an angle of 62deg from the horizontal with a velocity of 704 ftsec. if it lands 4.75 seconds
consider a conical pendulum that is a ball of mass m at the end of a string of length li moving in a horizontal circle
a cylindrical bar of metal having a diameter of 18.4 mm and a length of 192 mm is deformed elastically in tension with
determine the time it takes for the ball to start rolling without slip and its speed when it does so. In addition, determine the distance it travels before it starts rolling without slip. Assume (mu)K = 0.10.
What is a beam? What factors determine the maximum load that it can take without failure?
an electric motor of total weight 3330 pounds is mounted on a simply supported beam with an overhang as shown
a thermopane window consists of two pieces of glass k 0.78 wmk 7 mm thick that enclose an air space k 0.026 wmk 7 mm
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instrument is set to give a -100 mm deflection for this calibrat..
Under what conditions would the use of carburetor heat be detrimental?
h injection molding was portions of the part not filling. List and explain three process parameters that may aid in the correction of this error. What other errors might adjustments in these parameters help allay?
A pump station has been designed to lift water out of a 6 metre deep pit (vented to atmosphere) via a centrifigual pump mounted at ground level. Calculate the Net Positive Suction Head (NPSH) for the system ?
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