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A piston-cylinder contains 40 kg water of which 20 kg is saturated liquid. The equilibrium pressure of the system is 100 kPa.
a) Find the system initial volumeb) The water undergoes an isothermal expansion until the pressure reaches 10 kPa. Find the change in the system volume, delta V, in cubic meters, assuming that the process temperature is 100 degrees Celsius.c) Calculate how much energy must be added to the system, delta H in kJ, for the expansiond) After the expansion, the water undergoes an isobaric compression until V3=V1. Find the quality at the final equilibrium statee) Draw a process on a P-v diagram for water below and show temperature and specific volume values at the equilibrium states in the table next to the graph
The PI is at station 250+50, the design speed is 65mi/h, and a maximum superelevation of 0.07 ft/ft is to be used. If the central angle of the curve is 38 degrees, design a curve for the highway by computing the radius and stationing of PC and PT.
If they pull themslevles along the the rope until they meet how far does each skater travel? B)If only the 45 kg skater pulls along the rope until she meets her friend( who just holds onto the rope) how far does each skater travel?
Roman technology and engineering. Technology and engineering were among Rome's most famous achievements. Describe and explain the importance of Roman technology and engineering
A concentrated downward force of 2000 lb. is located 6' from the left support, and a uniformly distributed load of 200 lbs./lin. ft. begins 6' to the right end of the member. What force must be applied at each connection to maintain equilibrium?
Draw the shear diagram for the shaft. The bearings at and exert only vertical reactions on the shaft
Given the following data for a vertical curve of a road; G1=-2.5%, G2=+5.5% and station of PVI=250+50.At station 252+50, the vertical curve must intersect an existing road at elevation 48.48ft. the elevation on the tangent section at station 256+5..
Include immediate and consolidation settlements, but ignore secondary compression. In your calculation, use three sublayers with thicknesses of 4 ft, 8 ft and 16 ft for the top, middle and bottom layers. Ignore any settlement caused by the dense s..
Determine the normal depth in a trapezoidal channel with a bottom width of 6.4 ft and side slopes of 1 vertical to 2 horizontal. The discharge is 85 ft3/s. Manning's roughness factor is 0.025 and the channel bottom slope is 0.001
street nam sizes on the signs at a certain location can be discerned by a person with 20/40 vision from a distance of 300 ft. how much larger should the street names be in order to be legible to a person with 20/50 vision from a distnace of 450 ..
5 Kg of water at 1.2 MPa, 120oC is contained in a frictionless piston-cylinder device. The water is heated until its temperature reaches 250oC. a) a)Determine the work performed in kJ
A beryllium copper wire having diameter of 1-50 mm and length of 40mm is used as a small torsion bar in an instrument. determine what angle of twist would result in the wire when it is stressed to 250 mpa.
Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel
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