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A turbine extracts energy from water flowing through a 11-cm-diameter pipe at a pressure of 700 kPa with an average velocity of 11 m/s. If the turbine is 90 percent efficient, how much energy can be produced if the water is emitted from the turbine to the atmosphere through a 19-cm-diameter pipe?
How many engagement points on the flywheel would be necessary to make this machine safe
Find the final state inside the tank, A tank contains 2kg of nitrogen at 10K with a quality of 50%.Through a volume flow meter and valve, 0.5kg is now removed while the temperature remains constant.
liquid propane c3h8 enters a combustion chamber at 25 c at a rate of 1.2 kgmin where it is mixed and burned with 150
you purchase a building lot for 20000 and build q 110000 duplex apartment on it. you paid cash for the lot the bank
the plank cde has a mass m15kg and is rest on a small pivot at d. a block a of mass 55 kg is resting on point c. a
two hollow metal cylinders are to be press-fitted together. the outer steel member has outer and inner diameters of
One of the Wright Brothers' contributions to the development of flight dealt with the design of the propeller. Research what the contribution was and how it was (and is) applies
a steady flow compressor is used to compress helium from 100 kpa and 20 degrees celcius at the inlet to 1400 kpa and
Metal balls 10 mm in diameter are to be annealed by heating them to 827°C then allowing them to cool slowly in air at 27°C to the point where they are in thermal equilibrium with the air. 2000 balls are annealed in one hour’s time. What is the total..
two streams of air are mixed in a steady state process. assume air is an ideal gas with a constant heat capacity cp72r
Two girls standing 20 m apart are both throwing balls towards a tree to knock down a shoe hanging 7 m up in a tree that is directly between them. Girl A is 7 m from the tree while Girl B is 13 m from the tree.
liquid water at 70f enters a pump with a volumetric flow rate of 7.71 ft3min through an inlet pipe having a diameter of
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