Content х Bb 15286543 х Bb 15311376 х Bb Integrated Computer Project X C Get Homework Help With Ch x C + Х F → e learn-e

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Content х Bb 15286543 х Bb 15311376 х Bb Integrated Computer Project X C Get Homework Help With Ch x C + Х F → e learn-eu-central-1-prod-fleet01-xythos.content.blackboardcdn.com/5d0888eb02bcc/15311376?X-Blackboard-Expiration=16521192000008X-Blackboard-Sig... (м 15311376 3/4 L 67% + | : and delivery pipes have a diameter of 160 mm (UPVC pipes - see brochure for details). Select appropriate classes for both the pumping main and the gravity main. (c) Use the calculated pump head to select the most suitable impeller size (a system characteristic curve is required). Determine the power at the duty point. (d) Check for cavitation The pump characteristic curves for various impeller sizes as well as efficiency curves are given in Figure 2. 30% 50% 60% 100 L | GOZEzot 3% 75% H 90 (m) 70% 80 60% XXX 209 mm 70 4170mm 190mm - 200 mm 18 Omm BO 0 0,01 0,03 0,04 0,05 0,02 Q (m/s) Figure 2 Pump characteristic and efficiency curves Components of the water supply system • Delivery line: 4 bends, 3 valves • Suction line: 1 bend, 1 valve • Water temperature = 20°C Pipe between the contact tank and pump: 15 m Pipe between the pump and the reservoir: 870 m (diameter 160 mm) • Pipe between the reservoir the supply area: 200 m (diameter 160 mm) • Elevations of the various points are indicated on the layout. • Information not provided should be reasonably assumed and justified. • Assume atmospheric pressure = 101.1 kPa; vapour pressure at 20°C. NPSH = 4.2 m. ; • 1 1 Type here to search O EL 2 a a W gl - Ô » ENG 17:35 2022/05/09 見