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. |
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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.
Ηma = Ηm × Ηv | |
Ηm = Ηv . Ηma | |
Ηma × Ηm × Ηv = Ηo | |
Ηv = Ηm × Ηma |
Vane Anemometer ----------?
Vane Anemometer ----------?
Rotates An Element At A Speed Determined By The Velocity Of The Fluid In Which The Meter Isimmersed | |
Is An Area Meter | |
Is A Variable Head Meter | |
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 | |
0.3 | |
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 Decreasing Rate | |
Expanding Tube At Increasing Rate | |
Expanding Tube At Constant Rate | |
Long Pipe At Constant Rate |
Unsteady Non-Uniform Flow Is Represented By Flow Through A/An---------?
Unsteady Non-Uniform Flow Is Represented By Flow Through A/An---------?
Expanding Tube At Constant Rate | |
Long Pipe At Decreasing Rate | |
Long Pipe At Constant Rate | |
Expanding Tube At Increasing Rate |
Unit Of Mass Velocity Is----------?
Unit Of Mass Velocity Is----------?
Kg/M2 | |
Kg/M2. Hr | |
Kg/Hr | |
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 Voidage | |
Bed Height | |
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?
Diameter & Friction Factor | |
Length & Diameter | |
Length & Friction Factor | |
Fluid Flow Rate & Friction Loss |
Two Liquids Manometer Is Used For Measuring Small Pressure Differences In-----------?
Two Liquids Manometer Is Used For Measuring Small Pressure Differences In-----------?
Mixture Of Hydrocarbons | |
None Of These | |
Gases | |
Liquids |
Two Dimensional Stream Function--------?
Two Dimensional Stream Function--------?
None Of These | |
Relates Velocity And Pressure | |
Is Constant Along A Stream Line | |
Is Constant Along An Equipotential Surface |
Turbulent Flow Generally Occurs For Cases Involving----------?
Turbulent Flow Generally Occurs For Cases Involving----------?
Very Slow Motion | |
Very Narrow Passages | |
None Of These | |
Highly Viscous Fluid |
Turbine Impeller--------?
Turbine Impeller--------?
Produces Only Tangential Current | |
Produces Only Radial Current | |
Is Effective Over Wide Range Of Viscosities | |
Does Not Produce Tangential Current |
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?
5 | |
0 | |
50 | |
0.5 |
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?
0 | |
0 | |
50 | |
5 |
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----------?
Newtonian Liquid | |
Bingham Plastic | |
Pseudo-Plastic | |
Dilatent |
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 | |
Rotary Vacuum | |
Centrifugal | |
Volute |
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?
Speed Of | |
Radius Of | |
Fluid Velocity Leaving | |
None Of These |
The Vent Valve Provided In A Liquid Handling Centrifugal Pump Is-----------?
The Vent Valve Provided In A Liquid Handling Centrifugal Pump Is-----------?
Used To Release Any Gases That Might Be Vapour Locking The Pump | |
Generally A Needle Valve | |
All A., And C. | |
Helpful In Easy Removal Of Samples |
The Velocity Profile For Turbulent Flow Through A Closed Conduit Is-----------?
The Velocity Profile For Turbulent Flow Through A Closed Conduit Is-----------?
Linear | |
Hyperbolic | |
Logarithmic | |
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----------?
Flat | |
Flat Near The Wall And Parabolic In The Middle | |
Parabolic | |
Parabolic Near The Wall And Flat In The Middle |
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.
Semi-Circle | |
Parabola | |
Hyperbola | |
Semi-Ellipse |
The Velocity For Subsonic Flow In A Pipeline-----------?
The Velocity For Subsonic Flow In A Pipeline-----------?
Increases In The Downstream Direction | |
Is Independent Of The Area Of Flow | |
Decreases In The Downstream Direction | |
Is Constant |
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-----------?
None Of These | |
Parabolic | |
Linear | |
Hyperbolic |