The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)
v²/2g
0.5v²/2g
0.375v²/2g
0.75v²/2g
Correct Answer :
A. v²/2g
Related Questions
A perfect gas
Has constant viscosity
Has zero viscosity
Is in compressible
None of the above
When the flow parameters at any given instant remain same at every point, then flow is said to be
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Steady state
Laminar
Uniform
Resultant pressure of the liquid in the case of an immersed body acts through
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Centre of pressure
Metacentre
Centre of buoyancy
The meatcentric height is the distance between the
Centre of gravity of the floating body and the centre of buoyancy
Centre of gravity of the floating body and the metacentre
Metacentre and centre of buoyancy
Original centre of buoyancy and new centre of buoyancy
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One-third of the total supply head
One-half of the total supply head
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Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)
Cc × Cv
Cc × Cr
Cv × Cr
Cc/Cr
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1 and 2.5
2.5 and 4
4 and 6
1 and 6
General energy equation holds for
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Turbulent flow
Laminar flow
Non-uniform flow
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Newton's law of viscosity
Boundary layer theory
Continuity equation
A differential manometer is used to measure
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The viscosity of a liquid __________ its rate of flow through a hole in a vessel.
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91 Pa
981 Pa
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Unsteady flow
Laminar flow
Turbulent flow
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to
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Bernoulli's theorem
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Concave
Convex
Plane
None of these
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The weight of the body
More than the weight of the body
Less than the weight of the body
Weight of the fluid displaced by the body
The continuity equation is connected with
Open channel/pipe flow
Compressibility of fluids
Conservation of mass
Steady/unsteady flow
A structure, whose width is __________ the width of the channel, is called a flumed structure.
Less than
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Notch
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Always expands until it fills any container
Has the same shear stress at a point regardless of its motion
Cannot remain at rest under action of any shear force
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More or less depending on size of glass tube
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Equal to
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Surface tension
Cohesion
Adhesion
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Frictional force
Viscosity
Surface friction
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h²
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2 m/sec
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Viscosity
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Cohesion
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(2/3) × Cd (L - 0.1nH) × √(2g) × H3/2
(2/3) × Cd (L - nH) × √(2g) × H²
(2/3) × Cd (L - nH) × √(2g) × H5/2