Page 227 - Schaum's Outline of Theory and Problems of Applied Physics

212 FLUIDS IN MOTION [CHAP. 17

Answers to Supplementary Problems

17.1. 17,280 lb

17.2. 95 ft/s

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2
17.3. (a) 1240 lb/ft = 8.6 lb/in. 2 (b) 196 × 10 N/m 2
17.4. (a) 25 ft (b) 22 ft
17.5. (a) 0.0556 m/s (b) 3.93 × 10 −5 m /s
3
17.6. (a) 11.5 mm (b) 94 L/min (c) 24 N
17.7. 17.8 lb

17.8. 15.6 kN

17.9. 5.28 ft/s

3
17.10. 3.13 × 10 −4 m /s; 0.313 L/s
17.11. 6394 kg
17.12. 0.041 hp

2
17.13. 9700 lb/ft = 67 lb/in. 2
17.14. 46.9 kPa; the pressure in the large part of the pipe is greater
17.15. (a) 1.11 ft/s (b) 27 lb/in. 2 (c) 812 lb/min

17.16. (a) 1.2 m/s (b) 217 Pa (c) 6 L/s

17.17. 0.67 mm/s
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17.18. N R = 10 , so the flow is turbulent