The Contraction Co-Efficient For Borda’S Mouthpiece (For Frictionless Fluid) Is----------?
The Contraction Co-Efficient For Borda’S Mouthpiece (For Frictionless Fluid) Is----------?
0.1 | |
0.5 | |
1 | |
0.94 |
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Fluid Mechanics mcqs
The Continuity Equation-----------?
The Continuity Equation-----------?
Is Independent Of The Compressibility Of The Fluid | |
None Of These | |
Represents The Conservation Of Mass | |
Is Dependent Upon The Viscosity Of The Fluid |
The Continuity Equation----------?
The Continuity Equation----------?
Relates Mass Flow Rate Along A Stream Tube | |
Stipulates That Newton’S Second Law Of Motion Must Be Satisfied At Every Point In The Fluid | |
Relates Work And Energy | |
None Of These |
The Continuity Equation Of Fluid Mechanics Utilises The Principle Of Conservation Of ---------?
The Continuity Equation Of Fluid Mechanics Utilises The Principle Of Conservation Of ---------?
Momentum | |
Both & C. | |
Energy | |
Mass |
The Continuity Equation In Ideal Fluid Flow States That----------?
The Continuity Equation In Ideal Fluid Flow States That----------?
Energy Is Not Constant Along A Streamline | |
Net Rate Of Inflow Into Any Small Volume Must Be Zero | |
Energy Is Constant Along A Streamline | |
There Exists A Velocity Potential |
The Component Of Acceleration Resulting Due To Unsteady Nature Of Flow Is Called -------- Acceleration?
The Component Of Acceleration Resulting Due To Unsteady Nature Of Flow Is Called -------- Acceleration?
Convective | |
Normal | |
Local | |
Tangential |
The Co-Efficient Of Drag And Lift For An Incompressible Fluid Depends On The---------?
The Co-Efficient Of Drag And Lift For An Incompressible Fluid Depends On The---------?
Reynolds Number | |
Mach Number | |
All A., And C. | |
Froude Number |
The Co-Efficient Of Discharge Of An Orificemeter Is A Function Of --------?
The Co-Efficient Of Discharge Of An Orificemeter Is A Function Of --------?
Ratio Of Orifice Dia To Pipe Dia | |
Both And B. | |
Reynolds Number At The Orifice | |
Both And B. |
The Centre Of Pressure Is---------?
The Centre Of Pressure Is---------?
Always Above The Centroid Of The Area | |
Always Below The Centroid Of The Area | |
A Point On The Line Of Action Of The Resultant Force | |
At The Centroid Of The Submerged Area |
The Capillary Rise Of Mercury Is Maximum In Glass Tube Of Dia --------- Mm?
The Capillary Rise Of Mercury Is Maximum In Glass Tube Of Dia --------- Mm?
5 | |
2 | |
1 | |
0.5 |
The Capacity Of An Accumulator Is The Maximum---------?
The Capacity Of An Accumulator Is The Maximum---------?
Energy Which It Can Store | |
Liquid Which It Can Store | |
None Of These | |
Discharge Which It Can Deliver |
The Capacity Of A Centrifugal Pump Can Be Increased By Increasing The---------?
The Capacity Of A Centrifugal Pump Can Be Increased By Increasing The---------?
Impeller Diameter Or Speed | |
Number Of Pumps And Joining Them In Series | |
Number Of Pumps And Joining Them In Parallel | |
All A., And C. |
The Buoyant Force Acting On A Floating Body Is Dependent On The -----------?
The Buoyant Force Acting On A Floating Body Is Dependent On The -----------?
Weight Of The Liquid Displaced | |
Viscosity Of The Liquid | |
Surface Tension Of The Liquid | |
Depth Of Immersion Of The Body |
The Bulk Modulus Of Elasticity Of A Liquid----------?
The Bulk Modulus Of Elasticity Of A Liquid----------?
Decreases With Pressure | |
Increases With Pressure | |
Is Zero For Incompressible Liquid | |
Is Independent Of Temperature & Pressure |
The Boundary Layer Thickness At A Given Section Along A Flat Plate --------- With Increasing Reynold’S Number?
The Boundary Layer Thickness At A Given Section Along A Flat Plate --------- With Increasing Reynold’S Number?
Decreases | |
Increases | |
May Increase Or Decrease | |
Remain Same |
The Boundary Layer Is That Part Of A Moving Fluid, In Which The Fluid Velocity Is---------?
The Boundary Layer Is That Part Of A Moving Fluid, In Which The Fluid Velocity Is---------?
Affected By The Fluid Flow Pressure | |
Constant | |
Affected By The Presence Of A Solid Boundary | |
All A., And C. |
The Blades Of A Centrifugal Impeller Are Said To Be Curved Forward, If The -------- Of The Motion Of Impeller Blades?
The Blades Of A Centrifugal Impeller Are Said To Be Curved Forward, If The -------- Of The Motion Of Impeller Blades?
Outlet Tip Of A Blade Is Towards The Direction | |
Inlet Tip Of A Blade Is Towards The Direction | |
Inlet Tip Of A Blade Curves In A Direction Opposite To That | |
Outlet Tip Of A Blade Curves In A Direction Opposite To That |
The Actual Velocity At Vena-Contracta For Flow Through An Orifice From A Reservoir Is Given By---------?
The Actual Velocity At Vena-Contracta For Flow Through An Orifice From A Reservoir Is Given By---------?
Cd . √(2gh) | |
Cc . √(2gh) | |
Cv . √(2gh) | |
Cv . Va |
The ---------- Pressure Is Measured By A Static Tube?
The ---------- Pressure Is Measured By A Static Tube?
None Of These | |
Static | |
Dynamic | |
Total |
The -------- Is Measured By A Piezometric Opening?
The -------- Is Measured By A Piezometric Opening?
Dynamic Pressure | |
Total Pressure | |
Point Velocity | |
Static Pressure |
Terminal Velocity Is---------?
Terminal Velocity Is---------?
A Fluctuating Velocity | |
None Of These | |
Attained After Moving One-Half Of Total Distance | |
A Constant Velocity With No Acceleration |
Surge Tanks Are Provided In High Pressure Water Pipelines To-----------?
Surge Tanks Are Provided In High Pressure Water Pipelines To-----------?
Facilitate Easy Dismantling Of Pipeline For Cleaning And Maintenance | |
None Of These | |
Store A Definite Quantity Of Water All The Time | |
Reduce The Water Hammer |
Stoke’S Law Is Valid, When The Particle Reynolds Number Is ----------?
Stoke’S Law Is Valid, When The Particle Reynolds Number Is ----------?
> 1 | |
None Of These | |
Stoke’S Law Is Valid, When Nre, P Is Less Than---------?
Stoke’S Law Is Valid, When Nre, P Is Less Than---------?
700 | |
100 | |
100 | |
2 |
Stoke’S Equation Is Valid In The Reynolds Number Range----------?
Stoke’S Equation Is Valid In The Reynolds Number Range----------?
10 To 100 | |
2 To 10 | |
0.01 To 0.1 | |
0.1 To 2 |