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Saturated steam at 0.1 bar condenses with a convection coefficient of 6800 W/m2 · K on the outside of a brass tube having inner and outer diameters of 16.5 and 19 mm, respectively. The convection coefficient for water flowing inside the tube is 5200 W/m2 · K. Estimate the steam condensation rate per unit length of the tube when the mean water temperature is 30°C.
a robot is on the surface of mars. the angle of the depression from a camera in the robot to a rock on the surface of
At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 60 m diameter blades at that location. Take the air density to be 1.25 kg/m.
In a thermodynamic cycle consisting of four processes, the heat and work are as follows: Q (kJ): 30, -10, - 20, 65 W (kJ): 3, 10, - 8, 0. What will be the thermal efficiency of the cycle?
Draw the front view and right view and the down-view.
a water tank with an open top and square horizontal cross-section is to have a capacity of 5 m2. find the minimum cost
A 12-module, 20° pinion with 24 teeth drives a tack. If the pinion rotates counter clock wise at 360 rpm. determine graphically the velocity of sliding between the pinion tooth and the rack tooth at the beginning of contact, pitas paint, and at th..
a 15 scale model of centrifugal water pump was tested. the model pump has am impeller diameter of 10 cm and a rotation
two carnot heat engines are operating in series such that the heat sink of the first engine serves as the heat source
Calculate spring coefficient k = P/δ and discuss the design on how much spring radius r should be changed to increase k two times
a midwestern power plant burns 2 x 106 tons of coal annually. the coal contains 2 sulfur by weight. a limestone
a free-floating piston which weighs 20 kg contains 1 kg of a 50 quality saturated mixture of water in the insulated
Prepare young engineers through hands on experience in writing project technical report to execute tasks related to design practical fluid system.
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