List of top Civil Engineering Questions on Fluid Mechanics

The fluid coming into the centrifugal pump is accelerated by
For a long pipe of diameter D with a given discharge, fiction factor and length of pipe, the loss of head due to friction ($h_f$) is
A trapezoidal open channel with a base width of 4 m and side slope 1 horizontal to 2 vertical carries water at a depth of 2 m. The flow area of section is
If the Darcey's friction factor is 0.008 and the acceleration due to gravity is 10 m/s$^2$, then chezey's constant is
The hydraulic radius for a most economical rectangular open channel with a base width of 5 m is
Pelton wheel is classified according to the main direction of flow of water in the runner as
A rectangular gate of width 2 m and height 3 m lies in a vertical plane, the top of which is at the surface of water. If the unit weight of water is 10 kN/m$^3$, then the force exerted by the water in the gate is
Flow of fluid through a long pipe of constant diameter at a constant rate is
For flowing through the same discharge, the diameters of a pipe at section 1 and section 2 are 50 mm and 100 mm respectively. If the velocity of fluid at section 1 is 8 m/s, then the velocity at section 2 is
If the coefficient of discharge and coefficient of velocity for an orifice are 0.63 and 0.75 respectively, then the coefficient of contraction is
In a pipe flow, the hydraulic grade line will be obtained by the summation of
At a certain point in oil, the shear stress and velocity gradient are 0.2 N/m$^2$ and 0.1 s$^{-1}$ respectively, then the dynamic viscosity is
If the diameter of droplet and surface tension of water are 0.05 mm and 0.075 N/m respectively, then the pressure inside of droplet in excess of the outside pressure intensity is
When a body is immersed in a fluid either wholly or partially, it is lifted up by a force which is equal to the weight of the fluid displaced by the body is known as
The specific gravity and height of mercury in a column are 13.6 and 20 cm respectively. For the same maximum pressure at the bottom, the equivalent height of water column is