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Data measured during tests of a centrifugal pump at 2750 rpm are Parameter Inlet, Section O Outlet, Section 2 Gage pressure, p (kPa) Elevation above datum, z (m) 120 500 9 2.5 Average speed of flow, V (m/s) 2.5 3.5 The flow rate is 15 cu.m./hr. and the torque applied to the pump shaft is 85N.m. Evaluate the total dynamic heads at the pump inlet and outlet, the hydraulic power input to the fluid, and the pump efficiency. Specify the electric motor size needed to drive the pump. If the electric motor efficiency is 85%, calculate the electric power requirement

Data measured during tests of a centrifugal pump at 2750 rpm are Parameter Inlet, Section O Outlet, Section 2 Gage pressure, p (kPa) Elevation above datum, z (m) 120 500 9 2.5 Average speed of flow, V (m/s) 2.5 3.5 The flow rate is 15 cu.m./hr. and the torque applied to the pump shaft is 85N.m. Evaluate the total dynamic heads at the pump inlet and outlet, the hydraulic power input to the fluid, and the pump efficiency. Specify the electric motor size needed to drive the pump. If the electric motor efficiency is 85%, calculate the electric power requirement

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Data measured during tests of a centrifugal pump at 2750 rpm are Parameter Inlet, Section Outlet, Section (2) Gage pressure, p (kPa) Elevation above datum, z (m) 120 500 2.5 Average speed of flow, V (m/s) 2.5 3.5 The flow rate is 15 cu.m./hr. and the torque applied to the pump shaft is 85N.m. Evaluate the total dynamic heads at the pump inlet and outlet, the hydraulic power input to the fluid, and the pump efficiency. Specify the electric motor size needed to drive the pump. If the electric motor efficiency is 85%, calculate the electric power requirement
Transcribed Image Text:Data measured during tests of a centrifugal pump at 2750 rpm are Parameter Inlet, Section Outlet, Section (2) Gage pressure, p (kPa) Elevation above datum, z (m) 120 500 2.5 Average speed of flow, V (m/s) 2.5 3.5 The flow rate is 15 cu.m./hr. and the torque applied to the pump shaft is 85N.m. Evaluate the total dynamic heads at the pump inlet and outlet, the hydraulic power input to the fluid, and the pump efficiency. Specify the electric motor size needed to drive the pump. If the electric motor efficiency is 85%, calculate the electric power requirement
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