List of top Civil Engineering Questions on Fluid Mechanics

The Euler's number is the ratio of the inertia force to the
For a given discharge, the critical flow depth in an open channel depends on
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
A vertical wall of height \(6\) m is subjected to a pressure by a liquid of height \(4\) m on one of its sides. The total pressure from the liquid surface acts at a distance of
The metacentric height is the distance between the
The power transmitted through a pipe is maximum when the head lost due to friction is equal to
The load carrying capacity of an individual friction pile is \(200\) kN. What is the total load carrying capacity of a group of \(9\) such piles with the group efficiency factor of \(0.8\)?
An oil of kinematic viscosity \(0.4\) stokes flows through a pipe of diameter \(10\) cm. The flow may not be essentially laminar at a velocity of ____
The minor losses due to sudden contraction is significantly attributed to ____
If \(v=3xy\), the magnitude of the velocity vector at \((2,-2)\) is ____
Flow in a pipe is laminar if Reynolds number is ____
Hydraulic jump is
Pressure inside the casing of an impulse turbine is
Flow over a spillway of a dam is to be treated as
What is the non-dimensional number that results when the ratio of inertia force to gravity force is considered?
The type of flow, if \(\dfrac{\partial v}{\partial s}=0\), is
What is the value of the included angle between two adjacent sides of the absolute best hydraulic trapezoidal open channel?
The fluid coming into the centrifugal pump is accelerated by
Pelton wheel is classified according to the main direction of flow of water in the runner as
The hydraulic radius for a most economical rectangular open channel with a base width of 5 m is
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
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
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
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