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Two kg of saturated liquid water at 1 bar is compressed to 25 bar and 100°C in a water pump. Determine the change in internal energy (kJ) and enthalpy (kJ) of water. (a) Using compressed liquid tables (b) Using approximation for compressed liquid state.
a battle has erupted over a local power plant owners decision to raise the power delivered by the plant from 186 mw to
a man of mass m1 walks along a plank of length l with a constant acceleration a relative to the plank. the mass of the
Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
steam enters the turbine of a rankine cycle at 16 mpa 560oc. the condenser pressure is 8 kpa.nbspthe turbine and pump
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
1.consider a room 3 m x 3m x 3m with one faccedilade made of glazing with diffuse transmittance 0.6 and reflectance
A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
Water is being pumped from a large lake to a reservoir 30 m above at a rate of 5x10-3 m3/s by a 12 kW (shaft) pump. If the irreversible head loss of the piping system is 8m, determine the mechanical efficiency of the pump.
If the beam has square cross section of 9 in., on each side, determine the absolute maximum bending stress in the beam.
Calculate the crack length after cycles and subjected to a cyclic stress normal to the crack
Determine the smallest horizontal force required to lift the 260- crate. The coefficient of static friction at all contacting surfaces is = 0.7. Neglect the mass of the wedge.
A full revolution press has 100 rpm flywheel rotation. The press is equipped with tow hand trip devices mounted on the machine at a distance of 20 inches from the point of operation. How many engagement points on the flywheel would be necessary to ma..
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