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A 10-mm-diameter copper sphere, initially at a uniform temperature of 50°C, is placed in a large container filled with saturated steam at 1 atm. Using the lumped capacitance method, estimate the time required for the sphere to reach an equilibrium condition. How much condensate (kg) was formed during this period?
Hot water is provided to a house by an electric water heater which uses a 60L tank. The electric heater is rated for a 1.6kW. The hot water tank is completely full with water at 80°C when someone starts a shower. The shower faucet mixes cold water at..
two large well-insulated tanks of 2m diameter and 5m in height are filled with air. one tank is initially at 1bar and
What is the required throat diameter if this flow is to give a reading of 0.10 m of alcohol in a differential manometer connected to the inlet and the throat?
i have a numerical method project iam looking for someone to do it within 24 hours with good
0.78 kg of helium fills a piston-cylinder device (initial volume of 0.5 m3 which is maintained at an absolute pressure of 240 kPa. Heat is added until the volume doubles. What is the temperature of the helium at the end of the process?
Design a cord (design the constants k and beta ) so the cord stretches 2.5 times the unstretched length, and the acceleration of the jumper doesn't exceed 3g, and the cord has zero stiffness at the bottom of a 400ft drop.s=elongationk=spring const..
Find the natural frequency of vibration of the system for small displacements when the mass is 600 (instead of 500).
Once a match is made, relevant thermophysical properties might be determined, and, in turn, the metal may be identified by comparison to published property data. Will this approach work? Consider aluminum, gold, and silver as the candidate metals.
a piston-cylinder device contains 12 kg of saturated vapor r-134a at 2.4 bar state 1. a 110 v electric source supplies
vector a has components ax 1.24 ay 2.21 vector b has components bx 4.06 b-y -3.66. find the counterclockwise angle
A bead of mass m slides without friction along a wire which has the shape of a parabola my= Ax^2 with its axis vertical in the Earth’s gravitational field g. Find the Lagrangian, taking as generalized coordinate the horizontal displacement x.
the process and volume relation is given p8-4vbar for a non flow process where v is in cubic meter.if 130kj of work is
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