The pipe is of uniform area. Therefore the velocities at section 1-1 Ans: and section 2-2 are same.  V1 V2 3.537 /  m s 0.25      Q 0.32    A  4  The pressure intensity is also same p1 = p2 = 400 kPa = 400 ×1000 N/m2 Force along x-axis (Dynamic + Static) Force ‘Fx’: V p    F Q W   Cos135 p A  V cos135 A g 1 2 x 1 1 2 2 3.54 9810 0.25 3.54 (0.707 400 0.32 400 0.32 (0.707) F       1000     1000     9.81 4 4 x Fx = 49750.51 N ( ) Force along Y-axis (Dynamic + Static) Force ‘Fx’: 0 F   Q   Sin135 W   Sin135 p A V g 2 2 2 x 9810 0.25 3.54(0.707 4001000 0.32 F  0    (0.707) 9.81 4 x Fy = -20605.51 N ()  R  R R = 53848.9 N tan 20605.5   49750.5   tan1 22.5  
Ans: The pipe is of uniform area. Therefore the velocities at section 1-1 and section 2-2 are same. V1  V2  Q  0.25    3.537 m / s  A   0.32   4  The pressure intensity is also same p1 = p2 = 400 kPa = 400 ×1000 N/m2 Force along x-axis ‘Fx’: (Dynamic + Static) Force F   W Q  V V  Cos135  p A  p A cos135 x g 1 2 1 1 2 2 F  9810  0.25  3.54  3.54  (0.707  400 1000    0.32  400 1000    0.32  (0.707) x 9.81 4 4 Fx = 49750.51 N ( ) Force along Y-axis ‘Fx’: (Dynamic + Static) Force F   W Q  0  V  Sin135  p A Sin135 x g 2 2 2 F  9810 0.25 0  3.54(0.707 4001000   0.32 (0.707) x 9.81 4 Fy = -20605.51 N () R  R  R = 53848.9 N tan   20605.5 49750.5   tan1  22.5 
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