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A 2.1-m long, 0.2-cm diameter electrical wire extends across a room that is maintained at 200C. Heat is generated in the wire as a result of resistance heating, and the surface temperature of the wire is measured to be 1800C in steady operation. Also, the voltage drop and electric current through the wire are 110 V and 3 A, respectively. Disregarding any heat transfer by radiation; determine the convection heat transfer coefficient for heat transfer between the outer surfaces of the wire and the air in the room.
Draw the stress distribution along the walled thickness and discuss whether the composite with the applied pressure is safe or not by using von-Mises and Tresca theory.
suppose that you want to design a column to support a uniform compressive stress stress naught. if the columns cross
a beam of rectangular cross section is 200 mm deep 100 mm wide and 3 m long. it is simply supported at each end. it has
a vessel of volume v 6 liters contains water along with its saturated vapor under a pressure of 40 atmospheric and a
two previously undeformed cylindrical specimens of an alloy are to be strain hardened by reducing their cross-sectional
a cylinderical specimen made of annealed 4135 steel with k equal to 150000 lbin2 and n equal to 0.27 has a diameter of
Simics Central Simics can simulate real workloads at reasonable speeds Is the reported performance a result of optimization or simulator simplicity? What are some of the potential drawbacks of making a completely general simulation environment?
A heat pump is used to maintain a house at a constant temperature of 23 °C. The house is losing heat to the outside air through the walls and the windows at a rate of 60,000 kJ/hr while the energy generated within the house from people
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?
Assume the same eight features are used to assess quality
a train which is traveling at 80 mihr applies its brakes as it reaches point a and slows down with a constant
Determine the turbine inlet temperature, the cycle thermal efficiency, and the back-work ratio of this cycle.
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