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Consider a reheat cycle with steam leaving the boiler and entering the turbine at 4 MPa and 400 C . After expanded in the turbine to 400 KPa, the steam is reheated to 400 C and then expanded in the turbine to 6 Kpa. Assuming that both the turbine and the pump are isentropic, find the thermal efficency of the cycle. (consider water enters the pump as saturated liquid).
A turbine takes in 2 kg/s neon at 27C and 200 kPa with negligible velocity. The produced work is 75 kW and 30 kW of heat leaks into the turbine from the surroundings. The neon exits at 100 kPa and 230 K. Find the exit velocity of the neon.
the inclined-tube manometer has d 76 mm and d 8 mm and is filled with meriam red oil. compute the angle that will
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.
Determine metal removal rate, etching time, and required dimensions of the opening in the cut and peel maskant required to achieve the desired pocket size on the part.
determine the average applied force exerted on to the pile hammer. Note because the force is applied over a short time period it can be considered as an impulse force.
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
an electrical power transformer of diameter 250 mm and height 600 mm dissipates 1200 w. it is desired to maintain its
a 50 cm long 800 w electric resistance heating element with diameter .5 cm and surface temperature 120c is immersed in 60 kg of water temperature to 80c. also determine the convection heat transfer coefficients at the beginning and at the end of t..
A piston -cylinder device contains 0.06 m3 of saturated water vapor at 350 KPa pressure. Determine the temperature and the mass of the vapor inside the cylinder.
Determine the Biot number in order to support the lumped formulation. Solve the differential equation to find an expression for temperature as a function of time.
determine the maximum power that can be transmitted thru a stepped shaft rotating at 60 hz. knowing the radius of the
a space is at a temperature of 75 f 24 c and the relative humidity is 45 percent. find a the partial pressures of the
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