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An Incompressible fluid flows through a 10-in diameter horizontal constant area pipe. At one section the pressure is 150 psia and 1000 ft downstream the pressure has dropped to 100 psia.
a) Find the total frictional force exerted on the fluid by the pipe
b) Compute the avg wall shear stress
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Outdoor air leaks into a building through cracks in the walls at the rate of 700 m3/h (this is infiltratation). The outside air is at a temperature of -16.1C and a humidity ratio of 0.001 kgv/kga. The density of the outside air is1.4 kg/m3. The indoo..
A crate of mass 10kg is placed on a ramp elevated at 30 degrees from the horizontal. The ramp is 2m long. The coefficient of static friction is .4 and coefficient of kinetic friction is .3. At the low end of the ramp and oriented parallel to it is a ..
determine the expressions for attractive and repulsive energies, EA and ER as a functions of r where r is in nm and E is in eV.
saturated water vapor at 400 f is heated at constant pressure until its volume is doubled. determine the final
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for straightening and smooting an air flow in a 50 cm diameter duct the duct is packed with a honeycomb of 35 cm long 4
a real turbine with a mass flow rate of 5.0 kgs of steam has inlet conditions of 6.0 mpa and 700 oc and exit conditions
a bus starts from rest on a 200 m radius curve and accelerates with its speed increasing at at 2 ms2. determine the
a 2mm straight stockpiece of steel has a 90dbend. the total length of the unbent piece was 64mm. from the end of the
an engine operates on an air-standard brayton cycle with reheat. the work required to compress the air in one stage
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