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A conical flask contains water to height H = 36.8 mm, where the flask diameter is D = 29.4 mm. Water drains out through a smoothly rounded hole of diameter d = 7.35 mm at the apex of the cone. The flow speed at the exit is approximately V = (2gy)]^1/2, where y is the height of the liquid free surface above the hole. A stream of water flows into the top of the flask at constant volume flow rate, Q = 3.75 X 10^-7 m^3/hr. Find the volume flow rate from the bottom of the flask. Evaluate the direction and rate of change of water surface level in the flask at this instant.
A piston cylinder device initially contains .056 m3 of nitrogen gas at 150 kpa and 105 c. the nitrogen is now expanded to a pressure of 90 kpa poly tropically with a polytropic exponent whose value is equal to the specific heat ratio (called isentrop..
Movement of stagnant air over a surface typically decreases the pressure that air exerts on the surface it was in contact with, and higher air velocities usually result in more significant pressure drops. This pressure drop from rapidly moving air ac..
the light right-angle boom which supports the 400-kg cylinder is supported by three cables and a ball-and-socket joint O attached to the vertical x-y surface. Determine the reactions at O and the cable tensions.
the speed limit on a country road is 70 kmhr. the radius of curvature for a bridge on the road is 50 meters. a corvette
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
Determine the observed F value. Compare it to the critical table F value and decide whether to reject the null hypothesis. Perform a t test for independent measures on the data. Compare the t and F values. Are the results different? Use a = .05.
The net power output of the overall power system.
Air is compressed in a reversible steady-flow system from 15 psia and 100?F to an exit pressure of 100 psia. The compression process is polytropic, with a polytropic exponent of n = 1.250 the air may be assigned to behave as an ideal gas with constan..
the free-moving piston-cylinder device shown contains 5kg of hydrogen initially at a temperature of 400degc. when
Explain what is meant by ‘inversion of control' in application frameworks. Explain why this approach could cause problems if you integrated two separate systems that were originally created using the same application framework.
Consider a T shaped wooden beam comprised of a 2 x 6 and a 2 x 8 20 feet long. [Use nominal dimensions for beam cross section.] A steel plate 20 feet long and of cross section 6 x ½ inches is fastened to the top of the T. Calculate the bending stress..
What percentage of this protein is threonine?
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