Find the plant-s thermal efficiency
A utility plant runs an ideal Rankine cycle with water. The boiler pressure is 3.0 MPa and the cycle has a high temperature of 450 °C and its low temperature is 45 °C. Find the plant's thermal efficiency.
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If a water tank is to be installed on the roof top of the UTPA administration building to supply water for the campus. How long (hours) could the 2,093 liter tank supply water at the rate of 79 liters per minute before it empties?
The pressure acting on a 1.25 in^2 test specimen equals 15 Mpa. What is the force (in N) acting on the specimen expressed with the correct number of significant figures?
Assuming that the low pressure state is saturated liquid and the isentropic efficiency of the pump is 75%, determine the temperature of the water at the high pressure state.
When the heat transfer of 200 kW occurs from the turbine to the surroundings, determine the mass flow rate of steam in order to generate the same power from the turbine.
Determine the steady-state solution for the following differential equations. If resonance exists for the equations, determine the resonance frequency, damping factor.
Heat is generated in a 1.4-m-long, 0.2-cm-diameter electrical wire that extends across a room which is maintained at 20ºC. The surface temperature of the wire is measured to be 240ºC in steady operation.
What would be the total pressure loss in the entire length of the piping if the maximum loss per foot is achieved over the entire length?
Liquid water (state 1) and steam (state 2) are mixed in a steady flow open feedwater heater and the mixture leaves at state 3. The flow rate at state 1 is 0.7 kg/s, the pressure is p1 = 1 bar, and the temperature is T1 = 40 C.
A hydro-electric plant uses an 85% efficient turbine-generator to produce power from a reservoir with a height of 45 m above the turbine.
Determine the velocity and the acceleration of the slider and w32and alpha32 by a- using vector b- velocity an the acceleration polygon.
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