T1. Water at 27°C is being pumped through a water supply system illustrated in the figure from a sump at atmospheric pressure to a tank under a pressure of 60kPa. Galvanised steel pipe of 100mm diameter is used throughout, 2.5m length on the suction side and 80m length on the discharge side. The following fittings are used: Suction side: 2 unions k=0.05 (screwed), 1 lift foot valve-k=10.0 (with strainer), 1 standard elbow k=0.9. Delivery side: 1 transition (65-100mm) k=0.4, 1 glove valve k=12.5(half open), 16 unions k=0.05 (screwed), 2 standard elbows k=0.9, 1 gate valve k=0.2(fully open), 1 sudden enlargement k=1 (exit to tank). Determine the total system head for flow rates from 0 to 201/s in steps of 5 l/s. Hence, plot the system head curve. Assume a constant friction factor based upon a mean flow rate of 101/s. The dynamic viscosity of water at 27°C may be taken as 0.9x10-³Pa.s). The relative roughness is 0.0015.

T1. Water at 27°C is being pumped through a water supply system illustrated in the figure from a sump at atmospheric pressure to a tank under a pressure of 60kPa. Galvanised steel pipe of 100mm diameter is used throughout, 2.5m length on the suction side and 80m length on the discharge side. The following fittings are used: Suction side: 2 unions k=0.05 (screwed), 1 lift foot valve-k=10.0 (with strainer), 1 standard elbow k=0.9. Delivery side: 1 transition (65-100mm) k=0.4, 1 glove valve k=12.5(half open), 16 unions k=0.05 (screwed), 2 standard elbows k=0.9, 1 gate valve k=0.2(fully open), 1 sudden enlargement k=1 (exit to tank). Determine the total system head for flow rates from 0 to 201/s in steps of 5 l/s. Hence, plot the system head curve. Assume a constant friction factor based upon a mean flow rate of 101/s. The dynamic viscosity of water at 27°C may be taken as 0.9x10-³Pa.s). The relative roughness is 0.0015.

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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