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To what pressure should the steam in Problem 15.40 expand to reach Mach 1? Use constant specific heats to solve this problem.
Problem 15.40
Steam flowing at 15 m/s, 1800 kPa, 300?C, expands to 1600 kPa in a converging nozzle. Find the exit velocity and area ratio Ae/Ai.
A flood control project has a construction cost during the first year of $10 million, during the second year $6 million, and during the third year $2 million. It is completed at the end of the third year and thereafter incurs an annual operating c..
A square building (15 m × 15 m in plan) is to be constructed on a site where the soil profile consists of 3m of clay with an over-consolidation ratio that varies from 5 at the surface to 2 at 3m overlying a 5m thick clay
The three blocks shown move move with constant velocities. Find the velocity of each block, knowing that the relative velocity of A with respect to C is 300 mm/s upward and that the relative velocity of B with respect to A is 200 mm/s downward.
Determine the allowable moment about the horizontal neutral axis that a timber beam with nominal size 50 X 100 can resist without exceeding the allowable stress of 10 MPa. The dressed size is 38.1 X 88.9 mm, I = 0.00000223m^4, and S = 0.0000502 m^3.
Using the tables in the AISC manual, make a preliminary selection of member size, using a HSS shape. Do not simple state a choice - state your logic step by step, quoting page numbers (AISC) for each step.
a beam having an overall length of 24 has a 4 overhang at one end. the left support is a pin connection and the right
If the compression process is isentropic, determine the required work input for this compression process, in kJ/kg of mixture.
An engineer has to design a rod made with the same steel to carry a load of 150 kips without yielding. He desires to have a factor of safety against yielding of 1.5. What should be the cross-sectional area of the circular rod
The MATLAB code used to arrive at the solution with sufficient comments explaining the code and formulatio
Oil (specific gravity 0.752) flows through a 6" horizontal pipe under a pressure of 60 psi. Assuming no losses, what is the flow in cfs if the pressure at a 3" diameter reduction is 20 psi
A Fe-.25 w/o Carbon alloy is sloly cooled to 700 degrees C. What is the composition of the Ferrite(alfa) phase and what is the compositon of the cementite(Fe3C) phase. Whate are the relative fractions of ferrite and cementite
Air enters a steady flow, adiabatic compressor at 17 °C and is compressed through a pressure ratio of 8.6: 1. Assuming the compressor to be internally reversible
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