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231.

In a venturiflume, the flow takes place at

A.	atmospheric pressure	B.	gauge pressure
C.	absolute pressure	D.	none of these

232.

A venturiflume is a flumed structure constructed across a channel by restricting its width.

True

False

233.

A structure whose width is

less than

more than

234.

A venturiflume is used to measure

A.	pressure of liquid	B.	discharge of liquid
C.	pressure difference between two points in a channel	D.	pressure difference between two points in a pipe

235.

The coefficient of venturiflume, generally lies between

A.	0.3 to 0.45	B.	0.50 to 0.75
C.	0.75 to 0.95	D.	0.95 to 1.0

236.

When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

A.	steady flow	B.	turbulent flow
C.	vortex flow	D.	uniform flow

237.

The rise of liquid along the walls of a revolving cylinder about the initial level is

A.	same as	B.	less than
C.	more than

238.

When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

A.	varies as the square of the radial distance	B.	increases linearly as its radial distance
C.	increases as the square of the radial distance	D.	decreases as the square of the radial distance

239.

When a cylindrical vessel containing liquid is revolved, the surface of the liquid takes the shape of

A.	a triangle	B.	a paraboloid
C.	an ellipse	D.	none of these

240.

The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is

A.	directly proportional to (radius)2	B.	inversely proportional to (radius)2
C.	directly proportional to (radius)4	D.	inversely proportional to (radius)4