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A piston/cylinder maintaining constant pressure contains 0.5 kg water at room temperature, 20?C, 100 kPa. An electric heater of 500 W heats the water to 500?C. Assume no heat losses to the ambient air and plot the temperature and total accumulated entropy production as a function of time. Investigate the first part of the process, namely, bringing the water to the boiling point, by measuring it in your kitchen and knowing the rate of power added.
When the larger ball hits the ground and then collides with the smaller ball, it causes the small ball to bounce to a height several times greater than that from which the balls were originally released.
engineering ethics course where we have to select a case related to civil engineering with reference to it and discuss
A series of direct shear test has been performed on a dense well grades sand. all tests were performed on 3.00 in diameter, 1.25 in tall cylindrical specimens. and were run slowly enough to produce the drained condition. The results of these tests ar..
Calculate the (maximum) design load on a hollow AISI 1020 steel shaft with an outside diameter of 2.5 inches and an inside diameter of 2 inches. Assume a safety factor of 2.
You should provide the structural engineer with a formal typed report that will include all of your analyses and final size of the footing. You should also include all of your design assumptions in your report.
A footing 3m X 3m carries a pressure of 500 kN/ m2 at a depth of 1m in a sand substrate. The saturated unit weight of the sand is 20 kN/ m3 and the unit weight above the water table is 18 kN/ m3.
Explain how to generalize the Huffman procedure to ternary symbols, bearing in mind your result in part (a).
A 10 feet thick clay that was unsaturated with a unit weight of 108 pcf and a water content of 20% gets saturated and also swells by 20% due to rain. G=2.70.
A 12-ft-long cantilever supports its own dead load plus an additional uniform service (unfactored) dead load of 0.5 kip/ft. The beam is made from normal-weight 4000-psi concrete and has in., in., and in.
someone proposes that the entire refrigerant requirements of a store be met by using large freezer that supplies sufficient cold air at -20 C instead of installing separate refrigerators what do you think of this proposal?
Stadia is used to estimate the distance from the instrument to a target. Using inclined sights the horizontal distance and vertical distance between the center of the instrument and the target
Do the Navier-Stokes equations apply for any type of flow? If not for what type of flow does it apply for? In a fluid mechanics textbook, find the Navier-Stokes equations for a two-dimensional flow in polar coordinates.
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