Engineering, 26.06.2020 15:01 pado4776
A pump draws water from a reservoir through a 200 mm diameter suction pipe 3 m below the free surface of the water. The discharge of the pump is located 10 m above the surface of the reservoir and has a pipe diameter of 125 mm. The average velocity at the exit is 1.75 m/s and can be considered uniform and the exit pressure is 200 kPa (gage). If the pump efficiency (η) is 90%, determine the power needed to drive the pump.
Answers: 2
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 18:10
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Engineering, 04.07.2019 18:10
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
A pump draws water from a reservoir through a 200 mm diameter suction pipe 3 m below the free surfac...
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