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A water reservoir contains 100 tons of water at an average elevation of 60 m. The maximum amount of electric power that can be generated from this water is
(a) 8 kWh
(b) 16 kWh
(c) 1630 kWh
(d) 16,300 kWh
(e) 58,800 kWh
water enters a condenser at a pressure of 200 kpa and a quality of 0.95. the pressure drops by 25 kpa across the
nitrogen gas is heated in a steady-state steady-flow process. the inlet conditions are 550 kpa 35degc and the exit
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and that the value of n in the exponential is 8.4. If, at some temperature, the fraction of recrystallization is .30 after 100 min, determine the rate of r..
a mass of 3kg of nitrogen at 100kpa and 20oc is contained in a piston-cylinder device. it is now expanded to a final
Refrigerant 134a at 700 kPa and 40oC is expanded adiabatically in a closed system to 60 kPa. Determine the work produced, in kJ/kg, and final enthalpy for an isentropic expansion efficiency of 80.
the train engine on the left a is at rest and the one on the right b is coasting to the left. if the engines are
A 8 m rectangular gate shown below weighing 200 N is held in place by a horizontal flexible cable as shown in the figure below. Water acts against the gate which is hinged (frictionless hinge) at point A. determine the tension in the cable.
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a 500 mw electric station utilizes a rankine cycle power plant with superheat. the steam temperature and pressure at
1. what are the four fundamental quantities of fluids in aerodynamics?2. what are common units used both english usgs
A bullet is fired horizontally into a wood block resting on a horizontal, frictionless surface. If the mass of the bullet is 0.02 Kg and the velocity is 600 m/s
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