Mach number is the ratio of inertia force to
Hydraulic ram is a device
Total head of a liquid particle in motion is the sum of
The discharge over a Cipolletti weir of length 2.m when the head over the weir is 1 m, is
The ratio of the percentagge error in the discharge and percentage error in the measurement of head over a triangular notch, is
In a venturimeter, the divergent cone is kept
If Re is the Renold's number, the coefficient of friction for laminar flow is
For a long pipe, the head loss
Poise is the unit of
Uniform flow is said to occur when
Gauge pressure is
For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
For maximum horse power of a nozzle, the head supplied must be equal to
When a liquid rotates at constant angular velocity about a vertical axis of a rigid body, the pressure
Most economical section of a triangular channel, is
Equation of continuity of flow is based on the principle of conservation of
The velocity distribution of viscous fluid through a circular/pipe is :
If v1 and v2 are the velocities of flow before and after sudden enlargement in a pipe, the head loss given by Carnot and Borda equation, is
The velocity of the fluid particle at the centre of the pipe section, is
The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called
Specific weight of sea water is more than that of pure water because of
On a flow net diagram, the distance between two consecutive steam lines at two successive sections are 1 cm and 0.5 cm respectively. If the velocity at the first section is 1 m/sec, the velocity at the second is
The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure
Hydraulic grade line
For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom
The main assumption of Bernoulli's equation is :
A cylindrical vesselcm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is 5 cm, the angular velocity of rotation, is
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