Velocity At A Certain Point In Case Of Streamline Flow Is---------?
Velocity At A Certain Point In Case Of Streamline Flow Is---------?
Constant | |
Independent Of Time | |
Both & B. | |
Both & B. |
پاک اسٹڈی لائبریری اپنی خدمات کو بہتر کرنے کے لئے نئے سوفٹ وئیر انسٹال کررہی ہے ۔ اس لئے آئندہ کچھ دن آپ کو کچھ صفحات تک رسائی میں مشکلات کا سامنا ہوسکتا ہے ۔ جس کے لئے ہم معذرت خواہ ہیں۔
Pak Study Library is installing new software to improve its services. herefore, in the next few days, you may face difficulties in accessing some pages. sorry for the inconvenience.
Fluid Mechanics mcqs
Various Efficiencies Of A Centrifugal Pump Are Related As (Where, Εm = Mechanical Efficiency Εv = Volumetric Efficiency. Εma = Manometric Efficiency Εo = Overall Efficiency) ?
Various Efficiencies Of A Centrifugal Pump Are Related As (Where, Εm = Mechanical Efficiency Εv = Volumetric Efficiency.
Ηv = Ηm × Ηma | |
Ηma × Ηm × Ηv = Ηo | |
Ηma = Ηm × Ηv | |
Ηm = Ηv . Ηma |
Vane Anemometer ----------?
Vane Anemometer ----------?
Is A Variable Head Meter | |
Is An Area Meter | |
Rotates An Element At A Speed Determined By The Velocity Of The Fluid In Which The Meter Isimmersed | |
None Of These |
Upto What Value Of ‘Mach Number’, A Fluid May Be Considered As Incompressible ?
Upto What Value Of ‘Mach Number’, A Fluid May Be Considered As Incompressible ?
0.03 | |
3 | |
0.3 | |
10 |
Unsteady Uniform Flow Is Represented By Flow Through A/An---------?
Unsteady Uniform Flow Is Represented By Flow Through A/An---------?
Long Pipe At Constant Rate | |
Expanding Tube At Increasing Rate | |
Expanding Tube At Constant Rate | |
Long Pipe At Decreasing Rate |
Unsteady Non-Uniform Flow Is Represented By Flow Through A/An---------?
Unsteady Non-Uniform Flow Is Represented By Flow Through A/An---------?
Long Pipe At Constant Rate | |
Long Pipe At Decreasing Rate | |
Expanding Tube At Constant Rate | |
Expanding Tube At Increasing Rate |
Unit Of Mass Velocity Is----------?
Unit Of Mass Velocity Is----------?
Kg/M2. Hr | |
Kg/Hr | |
Kg/M2 | |
Kg/M3. Hr |
Umf Is The Minimum Fluidisation Velocity For A Bed Of Particles. An Increase In The Superficial Gas Velocity From 2 Umf To 2.5 Umf Results In (All Velocities Are Smaller Than The Entrainment Velocity Of The Particles) No Change In The-----------?
Umf Is The Minimum Fluidisation Velocity For A Bed Of Particles.
Bed Height | |
Bed Voidage | |
Drag On Column Walls | |
Drag On Particles |
Two Piping System Are Said To Be Equivalent, When The ---------- Are Same?
Two Piping System Are Said To Be Equivalent, When The ---------- Are Same?
Length & Friction Factor | |
Diameter & Friction Factor | |
Fluid Flow Rate & Friction Loss | |
Length & Diameter |
Two Liquids Manometer Is Used For Measuring Small Pressure Differences In-----------?
Two Liquids Manometer Is Used For Measuring Small Pressure Differences In-----------?
Gases | |
None Of These | |
Mixture Of Hydrocarbons | |
Liquids |
Two Dimensional Stream Function--------?
Two Dimensional Stream Function--------?
None Of These | |
Is Constant Along An Equipotential Surface | |
Is Constant Along A Stream Line | |
Relates Velocity And Pressure |
Turbulent Flow Generally Occurs For Cases Involving----------?
Turbulent Flow Generally Occurs For Cases Involving----------?
None Of These | |
Very Slow Motion | |
Very Narrow Passages | |
Highly Viscous Fluid |
Turbine Impeller--------?
Turbine Impeller--------?
Produces Only Tangential Current | |
Does Not Produce Tangential Current | |
Produces Only Radial Current | |
Is Effective Over Wide Range Of Viscosities |
Transition Length For Turbulent Flow In Smooth Pipe Is Equal To --------- Times The Pipe Diameter?
Transition Length For Turbulent Flow In Smooth Pipe Is Equal To --------- Times The Pipe Diameter?
0 | |
0.5 | |
50 | |
5 |
Transition Length For A Turbulent Fluid Entering Into A Pipe Is Around --------- Times The Pipe Diameter?
Transition Length For A Turbulent Fluid Entering Into A Pipe Is Around --------- Times The Pipe Diameter?
5 | |
0 | |
50 | |
0 |
Transition From Laminar Flow To Turbulent Flow Is Aided By The----------?
Transition From Laminar Flow To Turbulent Flow Is Aided By The----------?
All A., & C. | |
Vibration | |
Surface Roughness And Curvature (I.E. Sharp Corners) | |
Pressure Gradient And The Compressibility Of The Flowing Medium |
Toothpaste Is A----------?
Toothpaste Is A----------?
Pseudo-Plastic | |
Newtonian Liquid | |
Dilatent | |
Bingham Plastic |
To Handle Smaller Quantity Of Fluid At Higher Discharge Pressure, Use A ---------- Pump?
To Handle Smaller Quantity Of Fluid At Higher Discharge Pressure, Use A ---------- Pump?
Reciprocating | |
Volute | |
Centrifugal | |
Rotary Vacuum |
Theoretical Head Developed By A Centrifugal Pump Does Not Depend Upon The --------- The Impeller?
Theoretical Head Developed By A Centrifugal Pump Does Not Depend Upon The --------- The Impeller?
Radius Of | |
Fluid Velocity Leaving | |
None Of These | |
Speed Of |
The Vent Valve Provided In A Liquid Handling Centrifugal Pump Is-----------?
The Vent Valve Provided In A Liquid Handling Centrifugal Pump Is-----------?
Generally A Needle Valve | |
Used To Release Any Gases That Might Be Vapour Locking The Pump | |
Helpful In Easy Removal Of Samples | |
All A., And C. |
The Velocity Profile For Turbulent Flow Through A Closed Conduit Is-----------?
The Velocity Profile For Turbulent Flow Through A Closed Conduit Is-----------?
Logarithmic | |
Linear | |
Hyperbolic | |
Parabolic |
The Velocity Profile For A Bingham Plastic Fluid Flowing (Under Laminar Conditions) In A Pipe Is----------?
The Velocity Profile For A Bingham Plastic Fluid Flowing (Under Laminar Conditions) In A Pipe Is----------?
Parabolic | |
Flat Near The Wall And Parabolic In The Middle | |
Parabolic Near The Wall And Flat In The Middle | |
Flat |
The Velocity Profile Exhibited By Laminar Flow Of Newtonian Fluids Is Such That The Velocity Distribution W.R.T. Radius Of The Circular Pipe Is A/An ---------- With The Apex At The Centre Line Of The Pipe?
The Velocity Profile Exhibited By Laminar Flow Of Newtonian Fluids Is Such That The Velocity Distribution W.R.T.
Hyperbola | |
Semi-Ellipse | |
Parabola | |
Semi-Circle |
The Velocity For Subsonic Flow In A Pipeline-----------?
The Velocity For Subsonic Flow In A Pipeline-----------?
Increases In The Downstream Direction | |
Decreases In The Downstream Direction | |
Is Constant | |
Is Independent Of The Area Of Flow |
The Velocity Distribution In Direction Normal To The Direction Of Flow In Plane Poiseuille Flow Is-----------?
The Velocity Distribution In Direction Normal To The Direction Of Flow In Plane Poiseuille Flow Is-----------?
Hyperbolic | |
Parabolic | |
None Of These | |
Linear |