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List of top Fluid Mechanics Questions on Flow Through Pipes asked in GATE XE

Water (density = \( 10^3 \, \text{kg/m}^3 \)) enters steadily into a horizontal pipe bend, which is part of a larger piping system, as shown in the figure. The volumetric flow rate of water is 0.1 m\(^3\)/s. The gage pressure at the inlet is 500 kPa, while the exit is open to atmosphere. The \( x \)-component of the force on the support is \( F_x \). The absolute value of \( F_x \) (in kN, up to one decimal place) is \(\underline{\hspace{1cm}}\). \includegraphics[width=0.5\linewidth]{imager18.png}
  • GATE XE - 2021
  • GATE XE
  • Fluid Mechanics
  • Flow Through Pipes
If \( P_{\text{in}} = 1.2 \, \text{Pa} \) and \( P_{\text{out}} = 1.0 \, \text{Pa} \) are the average pressures at inlet and outlet respectively for a fully-developed flow inside a channel having a height of 50 cm, then the absolute value of average shear stress (in Pa) acting on the walls of the channel of length 5 m is
  • GATE XE - 2021
  • GATE XE
  • Fluid Mechanics
  • Flow Through Pipes