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Steam at 0.05 bar, 100.0 is to be condensed completely by a reversible constant pressure process. Calculate the heat rejected per kilogram of steam, and the change of specific entropy. Sketch the process on a T-s diagram and shade in the area which represents the heat flow.
"Fuel energy" is available at 2000 F at a local power plant. What is the maximum work that can be produced for each BTU of fuel energy if it is winter and the surroundings are at 40 ¯F ? If this work is used to maintain a residence at 80 F, how much ..
A solid round steel shaft, having an outside dameter of 2.002 in., is press or force fitted into the 2.00 in. hole in a gear. The force required to press the two machine parts together is 18,000 lb. What is the diameter of the solid steel shaft durin..
Friction between the piston and the cylinder wall can be neglected. For the air, determine the initial and final pressures, in kPa, and the work, in kJ.
If the cost of heat loss rises by $200 per year (uniform gradient) after the next year and the owner plans to keep the present building for 15 more years, what would you recommend if the interest rate is 10% per year?
A 150 pound person is standing in a stationary 200 pound canoe. If the person dives into the water such that his intial velocity is 5 feet/ second at an angle of 30 degrees from the horizontal, determine the velocity of the canoe immediately after th..
argon in the amount of 0.6 kg fills a 0.05-m3 piston-cylinder device at 550 kpa. the piston is now moved by changing
a 100kg pure iron block at 27 degrees c is dropped into an insulated rigid tank that contains 0.1m3 of unused engine
Hydrogen is contained in a piston-cylinder device at 14.7 psia and 15 ft3. At this state, a linear spring (F 8 x) with a spring constant of 15,000 lbf/ft is touching the piston but exerts no force on it. The cross-sectional area of the piston is 3..
consider a reheat cycle with steam leaving the boiler and entering the turbine at 4 mpa and 400 c . after expanded in
Understand mechanism of hardenability in steels by Jominy-end quench method - Samples have been heat treated using the following conditions: Austenitizing at about 900oC for 30 minutes, water spray from one end until the whole samples cooled down to ..
The spring is compressed by the rod which is pinned to the lower end of the door and which passes through the swivel block at B. When () = 0, the spring is undeformed. Show that with the proper stiffness k of the spring, the door will be in equili..
What happens if a data bit is flipped in the channel due to noise being added into the channel?
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