How the best hydraulic channel cross-section is defined?

The upper surface of a weir over which water flows is known as

The ratio of area of flow to the wetted perimeter is called

The discharge over the rectangular weir is equal to:

In an open channel flow, the discharge corresponding to critical depth is ___________

The channel section considered to have the highest efficiency is

For frictionless fluid, the contraction coefficient for Borda's mouthpiece is

If the level of water (H) above the base point of V notch is increased by four times, the discharge through the notch will become s

Notch is a device used for measuring:

When the depth of water in an open channel is greater than the critical depth then flow is said to be

Specific energy is_____________at critical depth for a given discharge in a channel.

The velocity with which the water approaches a notch is called

The coefficient of friction in terms of Reynold's number is

Reynolds number is significant in____________

The reciprocal of Euler's number is known as

Match the following

Compressible flow	Weber number
Free surface flow	Nusselt number
Pipe flow	Reynolds number
Heat convection	Mach number

Weber number is defined as at the ratio of inertia force to

The principle of similitude forms the basis of

The Ratio of inertia force to elastic force is known as

Froude number is important for:

Specific speed indicates:

Ratio of inertia force to surface tension is known as

The square root of ratio of inertia force of a flowing fluid to the surface tension force is

When Mach number is less than unity, the flow is called-

The square root of the ratio of the inertia force due to flow to the elastic force of fluid is known as-

The actual velocity at vena contracta for flow through an orifice from a reservoir of height H =

Identify the positive displacement type of flow meter from the following.

The value of the coefficient of velocity for sharp-edged orifices is

An orifice meter, having an orifice of diameter 'd' is fitted in a pipe of diameter D. For this orifice meter, what is the coefficient of discharge Cd?

Which of the following equipment gives direct reading of fluid flow rates?

For venturimeters, the coefficient of discharge range is

The value of coefficient of velocity compared to coefficient of discharge

When fluid is flowing through a duct, the local velocity at a point can be measured by a

The coefficient of discharge for an actual orifice meter is:

The density of fluid does NOT affect the working of

Which of the following device used for the measurement of the flow rate through a circular pipe with the least loss of energy and direct readings?

The average value of coefficient of velocity is of the order of

In the pitot tube, when kinetic energy is converted into pressure energy causing the liquid to rise in the vertical limb, the height of liquid is called

The discharge velocity in the orifice meter is measured by

At_______________point in a flow, the components of the velocity vector are identically zero.

Maximum pressure recovery is offered by _________________ amongst below constant area variable head flow meters.

Of the various methods of measuring discharge through a pipe line, the one with the least loss of energy and direct reading is by

Discharge through a totally submerged orifice is directly proportional to

A______________is a device used for measuring the rate of flow of a fluid flowing through a pipe

A rotameter is used to measure _________________________of fluids

Identify the odd option among the following with respect to the property they measure.

Coefficient of discharge is equal to :

The length of the divergent portion of Venturimeter in comparison to convergent portion is

A small hole in the side or base of a tank is termed a

An appurtenance whose length generally does NOT exceed three times its diameter is called