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A pump is employed to deliver liquid water from a pond to a higher elevation. The pump steadily draws water from the pond at a volumetric flow rate of 192 gal/min through a pipe having a 7 in diameter inlet. The exit diameter of the pipe is 2 in. and the exit is located 42 ft above the pipe inlet. Water enters at 66oF, 14.7 lbf/in.2 and exits with no significant change in temperature or pressure. The magnitude of the rate of heat transfer from the pump to the surroundings is 9% of the power input. The acceleration of gravity is 32.2 ft/s2. Determine: (a) the velocity of the water at the inlet and exit, each in ft/s (b) the power required by the pump, in hp.
two blocks of steel cp0.11 btulbm ordmf one at 800ordmf and the other at 300ordmf are brought into contact in an
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it is desired to compare the results of property predictions for water near or in the saturation region using a the
wet steam p12.8 kpa x0.90 enters a heat exchanger with a flow rate of 1.2 kgs. cold water at 12.8 kpa and k also
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Twenty-five samples of steel beam were chosen and tested for Young's Modulus. Eight had a modulus of E = 30 x 10^6 psi. Two had a modulus of E = 29 x 10^6 psi. Fifteen had a modulus of E = 30. x 1-^6 psi.
two insulated tanks both contain air and are connected by a line with a closed valve. the volume of tank a is 2.0 m3
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