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An insulated piston-cylinder device initially contains 0.01m^3 of steam at 200 degrees C. The force on the piston is such that it maintains a constant pressure of 400 kPa inside. A valve is now opened nad steam at 1 MPa, 200 degrees C is allowed to enter the cylinder until the volume inside increases to 0.04 m^3. Determine (a) the final temperature of the steam and (b) the amount of mass transfer
Base isolation technique has become the method of choice for structural design of buildings and bridges located in highly seismic areas in recent years.
Box 1 weighs 284.49N Box 2 weighs 421.83N. The angle between box 2 and the ramp is 37deg. Find the minimum angle for alpha that allows the boxes to remain stationary.
a force is specified by the vector F=160i+80j-120k N.calculate the angles made by F with the postive x y and z axes.
Design a hardwood beam to support a uniformly distributed load of 20 kN over a simply supported span of 8 m. consider bending strength only. Assume that the weight of the beam is 2 kN.
Natural gas is stored in very large vessels consisting of a floating tank and a liquid seal. The pressure in the tank is constant because the weight of the floating tank is constant. In the morning, the temperature of the natural gas is 300 K.
A 1.0 × 106 gallon reactor is used in a sewage-treatment plant. The influent biochemical oxygen demand (BOD) concentration is 100 mg/L, the effluent BOD concentration is 25 mg/L, and the flow rate through the reactor is 500 gal/min.
Discuss the advantages and disadvantages of using 8-bit and 10-bit resolution for the analog-to-digital converter.
Determine the force P required to move the wedge under the post. The coefficient of static friction between all surfaces is 0.25. The applied force F is 200 lbs and the angle alpha is 15 degrees.
Determine the preconstruction and post construction vertical stress imposed on the soil at a point 2 m below the center of the foundation area (assume westergaard conditions applied)
a wheel tractor scraper weighing 100 tons is being operated on a haul road which is now packed. this tractor is traveling fully loaded up a 6% slope to the dump site which is 0.5 miles away. the return trip is level and is also 0.5 miles away.
For an intermediate beam in 3 bays by 3 bays (each bay is 20' by 20') floor plan, draw the envelope shear and moment diagrams taking into account effect of pattern loading.
The steel rails of a continuous, straight railroad track are each 60 ft long and are laid with spaces between their ends of 0.25 inches at 70 degrees F. At what temperature will the rails touch end to end
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