Engineering, 20.06.2020 19:57, starxx05235
Water from a reservoir passes over a dam through a turbine and discharges from a 60-cm ID pipe at a point 40 m below the reservoir surface. The turbine delivers 1 MW. a. Draw the system and write the relevant form of the mechanical energy balance. b. Calculate the required flow rate of water in m3 /min if friction is neglected. (Note: The equation you will solve in this problem has multiple roots. Find a solution that is physically relevant.) c. If friction were included, would a higher or lower flow rate be required
Answers: 1
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Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10, niicoleassssssf
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
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Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
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Engineering, 04.07.2019 18:20, jessie8022
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Water from a reservoir passes over a dam through a turbine and discharges from a 60-cm ID pipe at a...
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