A. The velocity of sound
B. Dependent on its cross-sectional area
C. Dependent on fluid viscosity
D. Dependent on fluid density
Correct Answer: The velocity of sound ✔
Last Updated: March 10, 2019
Related MCQs
- Pressure drop for laminar fluid flow through a circular pipe is given by__________?
- The hydraulic diameter of an annulus of inner and outer radii Ri and Ro respectively is__________?
- A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?
- Navier-Stokes equation is useful in the analysis of __________ fluid flow problems?
- The head loss in turbulent flow in a pipe varies__________?
- Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?
- Which of the following produces maximum pressure difference for transportation of gases ?
- Bernoulli’s equation is dependent on the__________?
- For the production of very high vacuum, a __________ pump is normally used?
- Foot valve provided in the pump is a __________ valve?
- For water, when the pressure increases, the viscosity__________?
- Air vessel provided in a reciprocating pump is for__________?
- Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head?
- Multistage centrifugal pumps are generally used for__________?
- Specific speed of a centrifugal pump depends upon the __________ head?
- The simple Pitot tube does not measure the__________?
- Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation? A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent. D. Fluid is compressible. E. Fluid is incompressible ?
- Transition from laminar flow to turbulent flow is aided by the__________?
- At low Reynolds number__________?
- Which of the following valves will incur maximum pressure drop for the same discharge of water ?
- Venturimeter and orificemeter measures the __________ of the fluid?
- A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid?
- In the low Reynolds number region, the drag force on a sphere is proportional to__________?
- Capillary tube method of viscosity measurement is based on the __________?
- Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its__________?
- The friction factor for turbulent flow in a hydraulically smooth pipe__________?
- The continuity equation__________?
- Rubber latex is an example of a __________ fluid?
- Specific speed for a centrifugal pump is__________?
- For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to__________?
- The fluid jet discharging from a 2″ diameter orifice has a diameter of 1.75″ at its venacontracta. The co-efficient of contraction is__________?
- In frictional fluid flow, the quantity, (P/ρ) + (V2/2gc) + gz/gc) is__________?
- A Newtonian 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__________?
- An equipotential line is __________ to the velocity vector at every point?
- The nominal size of a hose pipe is specified by its __________?
- The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by__________?
- For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is__________?
- Each term in Bernoulli‟s equation represents the __________ of the fluid?
- For laminar flow through a closed conduit__________?
- One dimensional fluid flow implies the __________?
- Turbine impeller__________?
- What is the ratio of the velocity at the axis of the pipe to the mean velocity of flow in case of pipe flow under viscous condition ?
- The friction factor is__________?
- Velocity of liquid hydrocarbon fuels in a pipeline cannot be measured by magnetic flowmeters, because their __________ is very low/small?
- High specific speed of a pump implies that, it is a/an __________ pump?
- The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is__________?
- Sewage sludge is an example of the __________ fluid?
- Viscosity of water is about __________ times that of air at room temperature?
- A hydraulic ram acts as a/an __________ pump?
- In fluid flow, the stagnation point is defined as a point, where the __________ is zero?
- During ageing of fluid carrying pipes, the__________?