EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
4th Edition
ISBN: 8220102719569
Author: ZANIEWSKI
Publisher: PEARSON
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Chapter 4, Problem 4.21QP
To determine

The difference in depth required for an aluminum beam compared to a steel beam in order to obtain the equal deflection.

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The system in Fig. consists of 1200 m of 5 cm cast-iron pipe e=0.26mm, two 45° and four 90° elbows, a globe valve, and a sharp exit into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m3/s of water into the reservoir? U= 10-6m² 1 * sec -, K 45° elbows= 0.2, K 90° flanged = 0.2, K globe valve 10, K Sharp exit=1 G Elevation 500 m 45° Open globe 45° Sharp exit
: The 6-cm-diameter pipe in Fig. contains glycerin [specific gravity 0.95], flowing at a rate of 6 m³/h. Verify that the flow is laminar. For the pressure measurements shown, is the flow up or down? What is the indicated head loss for these pressures? 3.7 atm B 2.1 atm 12 m A
Find the discharge if K entrance =0.1, Kvalve-1, e=0.26mm, U= 1× 10-6m² ? sec 5 m Water at 20°C 6 cm D=5cm, L 2 m Open jet Butterfly valve DC 107 at 30°
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