A Newtonion fluid is that

Velocity at a certain point in case of streamline flow is

In case of venturimeters, friction losses are about __________ percent of maximum velocity head.

A bed consists of particles of densitykg/m³. If the height of the bed is 1.5 metres and its porosity 0.the pressure drop required to fluidise the bed by air is

If Blausius or Darcey friction factor is 'f₁' then the Fanning friction factor is equal to

The rate of change of moment of momentum represents the __________ by the fluid.

Sewage sludge is an example of the __________ fluid.

With increase in the schedule number of a pipe of a particular nominal size, the

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation ?

When the pipe Reynold's number isthe flow is generally

Terminal velocity is

Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.)

The distance between metacentre and __________ is called metacentric height.

Cocks are used to control

Pick out the wrong statement pertaining to fluid flow.

C_d for the orifice plate varies from

In case of a rotameter, the density of the float material is __________ that of the liquid it replaces.

Pressure drop in packed bed for turbulent flow is given by the __________ equation.

Non-colloidal solution is an example of the __________ fluid.

Potential function is applicable only for __________ flow.

Turbine impeller

For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f₁ and that for smooth pipe is f₂. Pick out the correct statement.

Gradually varied flow in open channel is a/an __________ flow.

Check valve is used for __________ flow.

If in a flow field, between any two points, then the flow must be

A Newtonion liquid (ρ = density, μ = viscosity) is flowing with velocity v in a tube of diameter 'D'. Let Δp be the pressure drop across the length 'L'. For a laminar flow, Δp is proportional to

The discharge through a V-notch weir varies as

Multistage centrifugal pumps are generally used for

In the complete turbulence zone (in rough pipes), the

Boundary layer separation is caused by the

Which of the following exemplifies a three dimensional fluid flow ?

Friction produced by the formation of wakes is called the __________ friction.

Capillary tube method of viscosity measurement is based on the

A bed of spherical particles (specific gravity 2.of uniform sizeμm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.Ergun's equation for the above fluid-particle system (in SI units) is given below :
Δ P/L =x 10³ V_OM + 10.x 10⁶ V²_OM (SI units)
If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed ?

For very low pressure and high discharge rate, the compressor used is a/an __________ compressor.

Hydraulic __________ works on the principle of Pascal's law of transmission of fluid pressure.

One poise (unit of absolute/dynamic viscosity) is equivalent to one

With a constant diameter impeller of a centrifugal pump

Out of the following flow measuring devices, which one incurs the maximum installation cost as well as pressure loss ?

For an incompressible fluid, the bulk modulus of elasticity is

The line of action of the buoyant force acts through the

Capacity of a rotary gear pump can be varied by

The dimension of surface tension is

While starting a centrifugal pump, its delivery valve should be kept

Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an

The fluid jet discharging from adiameter orifice has a diameter of 1.at its vena-contracta. The co-efficient of contraction is

Which of the following has the minimum compressibility ?

The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe)

Identification of pipelines carrying different liquids and gases is done by the __________ of the pipe.