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1. A Rankine cycle operating with ammonia is heated by some low-temperature source, so the highest T is 120?C at a pressure of 5000 kPa. Its low pressure is 1003 kPa, and it operates with one open FWH at 2033 kPa. The total flow rate is 5 kg/s. Find the extraction flow rate to the FWH, assuming its outlet state is saturated liquid at 2033 kPa. Find the total power to the two pumps.
2. A power plant has a condenser temperature of 45?C, a maximum pressure of 5 MPa, and a boiler exit temperature of 900?C. It has one open FWH operating at 1 MPa. Find the fraction of extraction steam flow, the two specific pump work inputs, and the turbine work per unit mass flow in the boiler.
If the allowable stress in the cylinder is 55 MPa, what is the maximum internal diameter (nearest integer, such as 10, 11, 12, …., in units of millimetres) of the cylinder?
As shown below, a 20m long beam is fixed to a wall at point A, a linearly changing load from 10 kN/m (downward) at 10m to 0 kN/m at 20m, and a CW couple moment of 400kN·m located at 20m. Include all required FBD(s).
Using the software 2DFlowPlus, investigate the flow pattern resulting by addition of one source (strength +5) at (X = +3, Y = 0) and one sink (strength -5) at (X = -3, Y = 0) in an uniform flow (V∞ = 1). Plot the pressure and velocity field. Where..
Calculate the primary consolidation settlement for the CH layer, assuming that it is normally consolidated with a water content of 70% and a compression index of 0.25.
calculate the cracking moment (resisting moment) for an unreinforcedconcrete beam that is 10 in. wide, 16 in. high. assume normal weight concrete with 3000 psi = f prime sub c. use the internal couple method and check with the flexure formula.
An ideal Brayton refrigeration cycle has a compressor ratio of 3.75. The air enters the compressor at 1bar, 27°C. The temperature at the inlet of the turbine is 77°C. Using Air Standard Method Determine on a per unit mass of air flowing
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16" radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is know that at the car's top speed the engine is producing 220..
A pitot-static tube connected to a differential manometer measuring the fluid velocity in a pipe. what happens to the reading in the manometer, h, if the fluid velocity in the pipe is halved?
Reconsider Prob. 14-46. Determine the required properties using EES (or other) software instead of the psychrometric chart. What would the property values be at a location at 3000 m altitude?
The maximum specific growth rate of the organisms driving this reaction is 5.0 days -1 and the growth rate is 0.54 day-1. The activated sludge tank has a volume of 40 m3 and the flow rate into it is 400 m3/day.
A constant head permeability test was conducted on a clean sand sample. The diameter and length of the test specimen were 10 cm and 12 cm respectively.
what size galvanized iron pipe (e=0.0005ft) is required to carry a flow of 5 cfs of water at 60 degrees F (v=1.217X10^-5) without exceeding a head loss of 5.0 ft/100ft of pipe
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