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A rigid tank contains 7.5 kg of saturated water mixture at 400 kPa. A valve at the bottom of the tank is now opened and liquid is with drawn from the tank. Heat is transferred to the steam such that the pressure inside the tank remains constant. The valve is closed when no liquid is left in the tank. If it is estimated that a total of 5 kJ of heat is transferred to the tank, determine
(A) the quality of steam in the tank at the initial state?
(B) the amount of mass that has escaped, and (c) the entropy generation during this process if heat is supplied to the tank from a source at 500°C.
suppose that you have a basin of 35c warm water that you use to run a heat engine that cools its substance with air at
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determine diameter of a circular rod of ductile material with a fatigue strength ,e=280 Mpa. Add a tensile yield strength of 350 Mpa. The member is subjected to a varying axial load from 700 kN to -300kN. Assume Kt=1.8 and factor of safety=2.
A hydraulic shear applies 2000 lb force to a wedge. It is used to shear plate steel to rough size. The shear has a 1/4 inch thick cutting blade with a 45 degree slope. What is the ideal mechanical advantage of the wedge?
explain the different experiment.purpose of this practical is to verify the law for parallelogram of forces law for
An engineer insists that a component is fully constrained with 0 DOF because 2 plates are bolted together with 4 screws (assuming one of the 2 plates is considered "grounded"). Is he / she correct? Explain why or why not using concepts discuss..
what is the density of solid aluminum at the melting temperature? what is the density of liquid aluminum at the melting
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As shown, a 130 lb bungee jumper wants to jump from the top of a 655 ft high bridge and be able to just touch the water below. Given that the bungee cord has a spring constant of 2.33 lb/ft, what should the bungee cord's relaxed length, l, be for ..
problem a tension link shown to the right is used in earth-moving equipment and is subjected to cyclic stresses varying
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