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Suppose 2.00 m^3 of air, which is considered an ideal gas, is initially at a pressure of 101.3 kPa and a temperature of 20.0 C. The air is compressed at a constant temperature in a closed system to a pressure of 0.500 MPa.a) How much work is done on the air to compress it?b) How much energy is transferred as heat during the compression process?
air at 80oc and a pressure of approximately 1350 kpa abs flows in a 20-mm-diameter tube. what is the minimum turbulent
what is value of convective heat transfer coefficient for pebble glass in air medium?
consider an ideal simple gas turbine cycle. for a net power output of 10000 horse power an inlet air temperature of
Calculate the specific heat at constant pressure, and specific heat at constant volume for propane which is compressed at the following inlet condition;
steam is the working fluid in an ideal reheat rankine cycle. steam enters the first-stage turbine at 8.0 mpa 480
the system is at rest in the position shown with the 12-lb collar a resting on the spring k 20 lbft when a constant
If the efficiency of the turbine in converting the mechanical energy given up by the fluid to the turbine shaft is 89% (nt = 0.89), calculate the friction loss in the turbine in J/kg.
in a steam power plant the boiler output is at 800 f and 900 psia.a. if the turbine exhausts to a condenser at 10 psia
Sketch the frequency response of the system. Overlay the frequency spectrum of the excitation and as you start the system up, increasing Ω from 0 to 60 rpm, what speeds are most likely to excite large amplitude response? Why?
an equiangular strain gage rosette is mounted on a free and unloaded surface of a part made of steel. when loaded the
a tank contains 2500 m3 of salt solution with a salt concentration of 20 kgm3. at time zero salt free water starts to
The rigid gate, is hinged at O and rests against a rigid support at B. What minimum horizontal force, P, is required to hold the gate closed if its width is 3.9 m? Neglect the weight of the gate and friction in the hinge. The back of the gate is e..
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