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A piston-cylinder device contains 2 kg saturated water vapor at 600 kPa. The water expands adiabatically until the final pressure is 100kPa. And 1,465 kJ work is produced.
a. What is the final temperature of the water?
b. What is the change in entropy of the water? c. Is this process realistic? Use a T-s diagram and the Clausius relation to explain.
A single strain gage forming an angle B = 18 degrees with a horizontal plane is used to determine the gage pressure in a cylindrical steel tank. The cylindrical wall of the tank is 6mm thick, has a 600mm inside diameter
A 1 cm diameter, 0.4 m long steel rod is to be used in an application where it will be subjected to an axial tensile force of 15kN. The factor of safety based on yield stress must be at least 1.5, and the axial deformation must not exceed 2 cm.
Susan's 12.0 baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope that is angled 30 degrees above the floor. The tension is a constant 31.0 and the coefficient of friction is 0.210. Use work and energy to find Paul's ..
A hydraulic jump forms in a horizontal trapezoidal channel. The base width is 4m and the side slopes are 45o. The depths upstream and downstream of the jump are 1m and 3m.
If the service life is just five years, instead of six years, what is the minimum required annual savings in lavore for the firm to realize a 10% return on investment?
The bottom of a rectangular flume is 5m above reference level. The depth of the water in the flume is 3m. The average velocity is 1.7m/s. Compute the hydraulic energy at the surface of the water and at the bottom of the flume.
Determine the magnitudes of the additional loads that must be applied at B and F if the resultant of all six loads is to pass through the center of the mat.
An equal-tangent crest vertical curve is designed with a PVI at station 110+00 and a PVC at station 107+43.3. if the high point is station 110+75.5 what is the design speed of he curve?
What is the length of a 200 ft. steel tape having a cross-sectional area of 0.004in2 and a modulus of elasticity of 30,000,000 lb/in2 that is standardized at a tension of 20 lb and a temperature of 68°F
For Vectors A=(i + 2j - 3k) and B=(4i - 5j + 6k), determine:
he City of Leeds (England) discharges about 1.4 m3/sec to the Aire River. Without the wastewater discharge, the river flow rate would be 12.7 m3/sec. Given that BOD(river) = 3.0 mg/L and BOD(wastewater) = 30.0 mg/L
a flat steel plate of 10mm thickness varies in width from 150mm to 300mm over a length of 1.5m. Determine the elongation of the plate under a tensile load of 250KN
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