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A water filled manometer is attached to the inlet and the test section of a low speed wind tunnel which has the contraction ratio of 3. what would be the pressure difference between the inlet and the test section in terms of inches of water in order to maintain the dynamic pressure of 20lb/ft^2 at the test section? Density of air = 0.00237slug/ft^3 and density of water = 1.94 slug/ft^3 , g=32.2ft/sec^2
A horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50oC in a large room where the air (h = 6.5 W/m2.oC) and wall temperature are at 20oC. The surface emissivity of the steel may be taken as 0.8. Calculate the total he..
A material has a strength coefficients K = 100, 000 psi Assuming that a tensile-test specimen made from this material begins to neck at a true strain of 0.17, show that the ultimate tensile strength of this material is 62,400 psi.
An ordinary egg can be approximated as a 5.78 cm diamater sphere. The egg is initially at a temperature of 7.9C and is dropped into boiling water at 97C. Taking the properties of the egg to be p=1020 and cp=3.32. Determine how much heat is transferre..
the velocity distribution over the surface of a sphere upstream of a separation point u1.5 usintheta where u is the
a 12-mm diameter jet of water discharges vertically into the atmosphere. due to surface tension the pressure inside the
an air standard diesel cycle has a compression ratio of 18.2. air is at 80degreef and 14.7psi at the beginning of the
a hydraulic dredge is used to dredge sand from a river bottom. estimate the thrust necessary to keep the boat
what are the higher and the lower heating values of a fuel? how do they differ? how is the heating value of a fuel
a horizontal force f pushes a 10 kg block up a fricitionless ramp with a circular contour the radius of curvature of
As shown, a member is fixed at the origin, point O, and has two applied forces, F1 and F2, applied at the free end, point B. What is the moment about the origin due to the applied forces?
a water clock clepsydra used in ancient greece is designed as a vessel with a small orific o. the time is determined
a 2.2 lb steel pot contains 2.2lb of liquid water both t59 degrees f. the water is heated to to boiling point of water
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