Cavitation In A Centrifugal Pump Can Be Avoided By Keeping The----------?
Cavitation In A Centrifugal Pump Can Be Avoided By Keeping The----------?
Inlet Pressure High | |
Outlet Pressure High | |
Outlet Pressure Low | |
Inlet Pressure Low |
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.
Cavitation In A Centrifugal Pump Can Be Avoided By Keeping The----------?
Inlet Pressure High | |
Outlet Pressure High | |
Outlet Pressure Low | |
Inlet Pressure Low |
Cavitation Can Be Prevented By--------?
Maintaining The Suction Head Sufficiently Greater Than The Vapour Pressure | |
Maintaining Suction Head Lower Than The Vapour Pressure | |
Maintaining Suction Head = Developed Head | |
Suitably Designing The Pump |
Capillary Tube Method Of Viscosity Measurement Is Based On The --------?
None Of These | |
Navier-Stokes Equation | |
Stoke’S Law | |
Hagen-Poiseuille’S Equation |
Capillary Rise Of Mercury In A Small Diameter Tube Is Proportional To (Where, D = Diameter Of The Tube, Ζ = Surface Tension Of Mercury)--------?
1/ | |
D | |
Ζ | |
1/D |
Capacity Of A Rotary Gear Pump Can Be Varied By----------?
Bleeding Air Into Suction | |
All A., And C. | |
Changing The Speed Of Rotation | |
Bypassing Liquid From The Suction Or Discharge Line |
Capacity Of A Hydraulic Accumulator Is Defined In Terms Of Maximum---------?
Volume Available In The Cylinder | |
Rate Of Falling Of Ram | |
Flow Rate Through Accumulator | |
Amount Of Energy Stored |
Buoyant Force----------?
None Of These | |
Depends On The Depth Of The Submergence Of The Floating Body | |
Depends On The Weight Of The Floating Body | |
For Non-Symmetrical Bodies Is Not Vertical |
Buckingham-Π Theorem States That In Any Physical Problem Including ‘N’ Quantities Having ‘M’ Dimensions, The Quantities Can Be Arranged Into --------- I
N-M | |
N/M | |
N | |
M |
Brownian Movement Is Prominent In The Particle Size Range Of --------- Microns In Case Of Settling Of A Particle In A Fluid?
0.01 To 0.10 | |
200 To 300 | |
100 To 1000 | |
2 To 3 |
Boundary Layer Thickness In Turbulent Flow Over A Flat Plate Increases As(Where, D = Distance From The Leading Edge.) ?
√D | |
D2/3 | |
D1/3 | |
D4/5 |
Boundary Layer Thickness In Laminar Flow Over A Flat Plate Increases As(Where, D = Distance From The Leading Edge.) ?
D2/3 | |
√D | |
D1/3 | |
D2 |
Boundary Layer Separation Occurs When The--------?
Velocity Of Sound Is Reached | |
Cross-Section Of The Channel Is Reduced | |
Pressure Reaches A Minimum | |
Valve Is Closed In A Pipeline |
Boundary Layer Separation Is Characterised By One Of The Conditions Given Below, Where ‘Re’ Is The Reynolds Number For The Flow.
Re < 1>, Decelerating Flow | |
Re >>1, Decelerating Flow | |
Re << 1, Decelerating Flow | |
Re <> 1, Accelerating Flow |
Boundary Layer Separation Is Caused By The---------?
Reduction Of Pressure Gradient To Zero | |
Reduction Of Pressure To Vapour Pressure | |
Boundary Layer Thickness Reducing To Zero | |
Adverse Pressure Gradient |
Boundary Layer Separation Is Caused By The --------?
Reduction Of Pressure Below Vapour Pressure | |
Adverse Pressure Gradient | |
Reduction Of Boundary Layer Thickness To Zero | |
Reduction Of Pressure Gradient To Zero |
Boundary Layer Exists In Flow---------?
Of Real Fluids | |
Of Ideal Fluids Only | |
In Pipes Only | |
Over Flat Surfaces Only |
Boiler Feed Water Pump Is Usually A ---------- Pump?
Diaphragm | |
Gear | |
Reciprocating | |
Multistage Centrifugal |
Bernoulli‟S Equation Does Not Apply To The Functioning Of A/An----------?
Orificemeter | |
Venturimeter | |
Pitot Tube | |
None Of These |
Bernoulli’S Equation Is Not Applicable, When The Flow Is-----------?
All A., & C. | |
Irrotational | |
Viscous | |
Incompressible |
Bernoulli’S Equation Is Dependent On The----------?
First Law Of Thermodynamics | |
Third Law Of Thermodynamics | |
None Of These | |
Law Of Conservation Of Momentum |
Bernoulli’S Equation For Steady, Frictionless, Continuous Flow States That The ---------- At All Sections Is Same?
Total Energy | |
None Of These | |
Total Pressure | |
Velocity Head |
Bernoulli’S Equation Describes The -----------?
Kinetic Energy Balance In Laminar Flow | |
Mechanical Energy Balance In Turbulent Flow | |
Mechanical Energy Balance In Potential Flow | |
Mechanical Energy Balance In Boundary Layer |
Bernoulli’S Equation Accounts For The---------?
None Of These | |
Various Momentums | |
Different Forms Of Mechanical Energy | |
Various Masses |
Bed Pressure Drop In An Air Fluidised Bed Of Catalyst Particles (Ρp = 200 Kg/M3, Dp = 0.05 Cm) Of 60 Cm Bed Depth And Bed Porosity Of 0.5 Expressed In C
60 | |
90 | |
45 | |
30 |
Baffles In Mixing Tanks Are Provided To----------?
Reduce Swirling And Vortex Formation | |
Aid In Rotational Flow | |
None Of These | |
Increase The Structural Strength Of The Tank |