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Oxygen at 25?C and pressure of 2 bar is flowing through a rubber pipe of inside diameter 25 mm and wall thickness 2.5 mm. The diffusivity of O2 through rubber is 0.21 x 10-9 m2/s and the solubility of O2 in rubber is 3.12x10-3 kg-mole/m^-3 bar . Find the loss of O2 by diffusion per metre length of pipe.
a vapor compression refrigetarion cycle has a theoretical cop of 4.8 and provides 120000 btuh of cooling. the
nitrogen is compressed in a polytropic process with n 1.2 from 120 kpa and 10oc to 800 kpa in a piston-cylinder
A 25-mm-diameter, high-tension line has an electrical resistance of 10-4 !1/m and is transmitting a current of 1000 A. If ambient air at 10°C and 5 m/s is in cross flow over the line, what is its surface temperature?
a cylindrical specimen of an aluminum alloy has a youngs modulus of 59gpa original length of 250mm length at fracture
heating up water for your morning shower provides an excellent example of heat exchange and mixing that you control.
A low pass butter worth filter has a corner frequency of 1 khz and a roll-off of 24 db per octave in the stop band. If the output amplitude of a 3 khz sine wave is .1 V, what will be the output amplitude of a 20 khz sine wave if the input amplitudes ..
a steam turbine operates with 1.6 mpa and 350o c steam at its inlet and saturated vapor at 30o c at its exit. determine
a brinell hardness measurement is made on a nickel alloy using a 0.01 m diameter sphere of tungsten carbide. a load of
The drive pulley for a conveyor belt has a diameter D1. The pulley is turned by a motor, while the idler wheel is freely rotating. The idler wheel has a diameter D2. There is no slack in the belt. The belt is moving at a linear speed of VBELT.
a how deep must a submarine be immersed in sea water specific gravity is 1.03 for its shell to experience an absolute
At the instant shown, determine the velocity of the piston, the velocity of the point C and the angular velocity of the connecting rod.
Use linear interpolation to estimate the specific volume in units of (volume/mass) of water
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