Two identical pipes (i.e. having the same lengt same diameter, and same roughness) are use to withdraw water from a reservoir. In the fir case, they are attached in series and als discharge freely into the atmosphere. In th second case, they are attached in parallel ar friction factor is same in both the cases, the rati of the discharge in the parallel arrangement that in the series arrangement (round off to decimal is places

For the structure shown in Figure (4): Draw I.L for (RA), (RC), (VB), (VD) and (MD) 2 39 5 Figure (4) 1 e A 2m B 2m 2m D 2m E

Develop an equation for the critical load Pcr of the spring-bar system shown below, assuming that all bars are rigid. Use the equilibrium method. Write the equation in the simplest possible form. 3L ksi ksz

B 300 mm ↑ 15 mm 70 KN 70 KN 20 mm 500 mm Steel Aluminum AMIN ATTIV 70 kN 70 KN + Rc A steel rod (20 mm diameter) 500 mm long is connected to two parallel aluminum rods (15 mm diameter) each 300 mm long via a rigid plate as shown. Two 70 kN loads at applied at the end of each aluminum rod. The structure is fixed at both ends resulting in a statically indeterminate system that can be treated as the superposition of two determinate systems as presented above. Note that Rc is the reaction at C. Assume Esteel = 200 GPa and Ealuminum = 70 GPa. a) Determine the reaction force at C, Rc b) Determine the reaction force at A and B and the normal stress in the steel and aluminum rods c) Which rods are in tension and which are in compression?

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Solve the FF Homogeneous DE