A liquid-dominated geothermal plant with a single flash separator receives water at 400 oF. The separator pressure is 150 psia. The direct connect condenser operates at 5 psia. The turbine has a polytropic efficiency of 0.75. For a cycle output of 10 MW, find (a) the steam mass flow rate, in pounds mass per hour, (b) the well water mass flow rate, in pounds mass per hour, (c ) the reinjected brine mass flow rate in pounds mass per hour, (d) the cycle efficiency, and € the cooling water mass flow rate if such water is available at 80 oF. You can ignore the pump work.

Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m