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Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 175N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center weight of 175N. From the center weight a wire T3 hangs vertically to a 32kg object.Find the tension on T1, T2 and T3.
a shell-and-tube heat exchanger must be designed to heat 2.5 kgs of water from 15 to 85 oc. the heating is to be
The fracture strength of glass may be increased by etching away a thin surface layer. It is believed that the etching may alter the surface crack geometry (i.e. reduce crack length and increase tip radius). Calculate the ratio of the etched and origi..
an isentropic steam turbine processes 5kgs of steam at 4 mpa which is exhausted at 50 kpa and 100degc. five percent of
A reversible heat engine, operating in a cycle, withdraws heat from a high-temperature reservoir (the temperature of which consequently decreases), performs work w, and rejects heat into a low-temperature reservoir (the temperature of which consequen..
A counter flow cooling tower cools 2000 gal/min water from 104 F to 85 F with 210,000 ft^3/min of air at 90 F Dry bulb Temperature and 76 F WBT . The Mass transfer coefficient -surface area product is hA= 123lbm/hr ft^3. Air mass flow rate per unit c..
Systems Integration at London Heathrow Terminal 5' the authors identify six processes required to execute a megaproject. They note that in each megaproject there is discontinuity between the processes required to deliver the project and those invo..
the heat flux that is applied to the left face of a plane wall is q20 wm2. the wall is of thickness l10 mm and of
The Reynolds number for a particular micro channel flow is found to be Re = 2. If all channel dimensions (length, width, and height) are reduced by a factor of 10, and the time required for a particle to traverse the length of the channel is invarian..
A single-stage axial-flow gas turbine stage with a hub/tip ratio of 0.85 is to be designed to give a free-vortex flow after the rotor row and is required to develop 2.6 MW from a gas flow of 30 kg/s.
a frictionless piston cylinder device with a set of stops contains .5m3 of saturated h2o vapor at 200 kpa. at this
Database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that can be used as an interface between applications. For each method you have c..
Design a box that will contain a 4 in. x 6 in. x 3 in. volume. The box should be produced from two pieces of sheet metal and require no tools or fasteners for assembly. Repeat the problem, but design the box from a single sheet of metal.
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