Water at 40 °C is pumped from an open tank through 200 m of 50-mm-diameter smooth horizontal pipe as shown in Figure 1 and discharges into the atmosphere with a velocity of 3 m/s. Minor losses are negligible. (a) If the efficiency of the pump is 70%, how much power is being supplied to the pump? (b) What is the NPSHA at the pump inlet? Neglect losses in the short section of pipe connecting the pump to the tank. Assume standard atmospheric pressure. Note: for smooth pipe, friction factor, f = 0.0152 and at 40 °C. Temperature (°C) kinematic viscosity (m²/s) 6.58 x 10-7 Water vapor pressure (N/m²) Specific weight (N/m³) 40 7.376 x 10³ 9.731 x 10³ ! T 3 m Į PUMP 9.731x Diameter = 50 mm Length = 200 m Figure 1

Water at 40 °C is pumped from an open tank through 200 m of 50-mm-diameter smooth horizontal pipe as shown in Figure 1 and discharges into the atmosphere with a velocity of 3 m/s. Minor losses are negligible. (a) If the efficiency of the pump is 70%, how much power is being supplied to the pump? (b) What is the NPSHA at the pump inlet? Neglect losses in the short section of pipe connecting the pump to the tank. Assume standard atmospheric pressure. Note: for smooth pipe, friction factor, f = 0.0152 and at 40 °C. Temperature (°C) kinematic viscosity (m²/s) 6.58 x 10-7 Water vapor pressure (N/m²) Specific weight (N/m³) 40 7.376 x 10³ 9.731 x 10³ ! T 3 m Į PUMP 9.731x Diameter = 50 mm Length = 200 m Figure 1

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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