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When a block of ice floating on water in a container melts, the level of water in the container
The body whose surface does not coincide with the streamline when places in a flow is called as
The time of oscillation of a floating body is given by Where
K = Radius of Gyration of the floating body about its centre of gravity
h = Metacentric height of the floating body
A cylindrical body of crosssectional area A height H and densityrs is immersed to a depth h in a liquid of density r and tied down to bottom with a string then the tension in the string is
There is no geometrical distinction between the streamline, pathline and streak line in case of
Stream line, path line and streak line are identical when the
Match List I with List II and select the correct answer using the codes given below the lists:
Under which of the following conditions will the equation constant, will be valid in the whole flow field ?
1. Flow is rotational
2. Flow is irrotational
3. Flow is incompressible
4. Flow is steady
5. Flow is laminar
Venturimeter consists of following parts :
1. Diverging part
2. Throat
3. Main inlet pipe
4. Short converging part
Select the correct sequence of parts
The range for coefficient of discharge (C_{d}) for a venturimeter is
In the siphon in figure below assuming ideal flow, the pressure P_{B}
An oil of kinematic viscosity 0.5 stokes flows through a pipe of 4 cm diameter. The flow is critical at a velocity of about
In the NavierStokes equations, the forces considered are
NavierStokes equation represents the conservation of
The NavierStokes equations govern the motion of fluids and can be seen as Newton's second law of motion for fluids. ... The NavierStokes equations represent the conservation of momentum, while the continuity equation represents the conservation of mass.
For laminar flow between two fixed parallel plates, the flow velocity
Capillary tube viscometers used for measurement of viscosity are based on
An incompressible fluid (kinematic viscosity, 7.4 × 10^{–7} m^{2}/s, specific gravity, 8.88) is held between two parallel plates. If the top plate is moved with a velocity of 0.5 m/s while the bottom one is held stationary, the fluid attains a linear velocity profile in the gap of 0.5 mm between these plates; the shear stress in Pascals on the surface of top plate is
Pressure drop in a 100 mm diameter horizontal pipe is 50 kPa over a length of 10 m. The shear stress at the pipe wall is
The pressure drop for a relatively low Reynolds number flow in a 600 mm, 30 m long pipe line is 70 kPa. What is the wall shear stress
When the hydrodynamic boundary layer thickness (δ), which is the distance from the surface at which the local velocity (u) reaches 99% of the freestream velocity, then
The head loss in a sudden expansion from 5 cm diameter to 10 cm diameter pipe, in terms of velocity V_{1} in the 5 cm pipe
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