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the correct statement regarding convergent divergent mouth piece
Convergent mouthpiece: If the flow area of the mouthpiece decreases from inlet to outlet, then it is called convergent mouthpiece. Divergent mouthpiece: If the flow area of the mouthpiece increases from inlet to outlet, then it is called divergent mouthpiece.
Convergent mouthpiece: If the flow area of the mouthpiece decreases from inlet to outlet, then it is called convergent mouthpiece. Divergent mouthpiece: If the flow area of the mouthpiece increases from inlet to outlet, then it is called divergent mouthpiece.
See lessFor a most economical trapezoidal open channel, the half of the top width must be equal to
Most economical trapezoidal section: Half of the top width must be equal to the sloping side.
Most economical trapezoidal section:
See lessHalf of the top width must be equal to the sloping side.
Frictional loss of head includes the loss of energy due to
The term friction loss (or frictional loss) has a number of different meanings, depending on its context. In fluid flow it is the head loss that occurs in a containment such as a pipe or duct due to the effect of the fluid's viscosity near the surface of the containment.
The term friction loss (or frictional loss) has a number of different meanings, depending on its context. In fluid flow it is the head loss that occurs in a containment such as a pipe or duct due to the effect of the fluid’s viscosity near the surface of the containment.
See lessThe length of hydraulic jump is roughly
It is defined as the length between the two sections where one section is taken before the hydraulic jump and the second section is taken after the hydraulic jump. For a rectangular channel, from an experiment, length of hydraulic jump is found to be 5 to 7 times that of the height of the hydraulicRead more
It is defined as the length between the two sections where one section is taken before the hydraulic jump and the second section is taken after the hydraulic jump. For a rectangular channel, from an experiment, length of hydraulic jump is found to be 5 to 7 times that of the height of the hydraulic jump.
See lessDischarge through a totally submerged orifice, is directly proportional to
Hence the discharge through the totally submerged orifice is directly proportional to the square root of the difference in elevation of the water surface.
Hence the discharge through the totally submerged orifice is directly proportional to the square root of the difference in elevation of the water surface.
See lessThe metacentric height of a body equals the distance between
The metacentric height (GM) is a measurement of the initial static stability of a floating body. It is calculated as the distance between the centre of gravity of a ship and its metacentre. A larger metacentric height implies greater initial stability against overturning.
The metacentric height (GM) is a measurement of the initial static stability of a floating body. It is calculated as the distance between the centre of gravity of a ship and its metacentre. A larger metacentric height implies greater initial stability against overturning.
See lessChezy's formula is used to determine
The Chezy equation can be used to calculate mean flow velocity in open channel. A = area of cross-section of pipe and V = mean velocity of flow.
The Chezy equation can be used to calculate mean flow velocity in open channel. A = area of cross-section of pipe and V = mean velocity of flow.
See lessIn incompressible flow the density of a fluid
For a fluid flowing through a pipe at all the cross-sections, the quantity of fluid per second is constant. Density ρ = C for an incompressible fluid. From the above equation, it is clear that when the area of the flow is constant then discharge will increase with the increase in velocity.
For a fluid flowing through a pipe at all the cross-sections, the quantity of fluid per second is constant. Density ρ = C for an incompressible fluid. From the above equation, it is clear that when the area of the flow is constant then discharge will increase with the increase in velocity.
See lessA steady uniform flow is through
An example of steady flow is a fluid travelling through a tapering pipe. Uniform flow, on the other hand, has the cross-sectional area and velocity of the fluid the same at each successive cross section. For example, flow in a pipe, with uniform cross-section, running full.
An example of steady flow is a fluid travelling through a tapering pipe. Uniform flow, on the other hand, has the cross-sectional area and velocity of the fluid the same at each successive cross section. For example, flow in a pipe, with uniform cross-section, running full.
See lessCavitation is caused by
Cavitation occurs when the liquid in a pipe turns to a vapor at low pressure. When Cavitation takes place, air bubbles are formed when this low pressure reduces to the vapor pressure of liquid. As the liquid passes from low pressure to high pressure region, the air bubbles explode.
Cavitation occurs when the liquid in a pipe turns to a vapor at low pressure. When Cavitation takes place, air bubbles are formed when this low pressure reduces to the vapor pressure of liquid. As the liquid passes from low pressure to high pressure region, the air bubbles explode.
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