Pick out the wrong statement?
Pick out the wrong statement?
Pick out the correct statement pertaining to Venturimeter ?
Pick out the correct statement?
Pick out the wrong statement about a streamline ?
Pick out the wrong statement?
Pick out the wrong statement?
Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter ?
Select the correct statement?
Pick out the wrong statement ?
Pick out the correct statement?
Pick out the wrong statement ?
Pick out the correct statement pertaining to the flow through a converging-diverging tube ?
Pick out the wrong statement?
Pick out the wrong statement?
Pick out the correct statement?
Pick out the wrong statement about cavitation?
A globe valve is the most suitable for applications, in which__________?
Buckingham-π theorem states that in any physical problem including ‘n’ quantities having ‘m’ dimensions, the quantities can be arranged into __________ independent dimensionless parameters?
When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an__________?
The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is__________?
Permanent pressure loss in a well designed Venturimeter is about __________ percent of the venturi differential?
For an ideal fluid flow, Reynolds number is__________?
Unit of mass velocity is__________?
The lift of a balloon is__________?
The most economical flow control valve for use with large diameter pipes is a__________?
The equivalent diameter for fluid flow through square cross section channel of side ‘x’, for pressure drop calculation purpose is given by__________?
Minimum fluidisation velocity for a specific system depends upon the__________?
In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is__________?
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?

Pick out the wrong statement ?

A. Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive
forces
B. A hydrometer used for the determination of specific gravities of liquids works on the principle
of buoyant forces
C. In case of unsteady fluid flow, the velocity at any given point does not change with time
D. Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure &
velocity at a point

Correct Answer: In case of unsteady fluid flow, the velocity at any given point does not change with time ✔

Last Updated: March 11, 2019