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A light breeze at 10mi/h blows across a metal building in the summer. The height of the building wall is 12t, and the width is 20ft. A net energy flux of 110 Btu/h*ft^2 from the sun is absorbed in the wall and subsequently dissipated of the surrounding air by convection. Assuming that the air is 80°F and 1 atm and blows across the wall as on a flat plate, estimate the average temperature the wall will attain for equilibrium conditions.
A fireclay brick cube, 10 cm in length is removed from a furnace where it was maintained at a temperature of 500 degrees C. The brick cube is then placed in ambient temperature conditions.
Evaluate the variation of hoop stresses across the wall of the compound cylinder.
Prepare a Journal paper on Renewable Energy
what is the rotation matrix for an object rotation of 30o around the z axis followed by 60o around the x axis and followed by a rotation of the y axis. all rotations are counter clockwise.
We're asked to determine the deflection of a beam location for a 2000N load. However the force is directed up the corner NOT centroid.
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
Hollow shaft transmitting power with shear limits. Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter.
Probabilistic Hough transform in big O notation
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
Effect of pressure on temperature and density of air for an adiabatic process, The pressure is to be raised from atmospheric to 7 psi (4.83 bar). The process is adiabatic, and the volume is constant and unknown.
Complete the sketch of the obtuse triangle. It must have an area of 1.75 in.2. Prove the geometry by dimensioning the sketch and showing the area calculation. Show only those dimensions needed for the area calculation. Note: each grid unit = .25 i..
Depron is a polystyrene foam, popular as a material for the manufacture of fast food trays and packaging. It is much lighter than balsa wood and can be cut with a sharp blade, sawn with a fine.
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