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Which Of The Following Is Used For Very Accurate Measurement Of Flow Of Gas At Low Velocity ?
Segmental Orificemeter | |
Pitot Tube | |
Hot Wire Anemometer | |
Rotameter |
Which Of The Following Is Used For Pumping Crude Oil From Oil Well ?
Single Stage Centrifugal Pump | |
Gear Pump | |
Screw Pump | |
Duplex/Triplex Reciprocating Pump |
Which Of The Following Is The Most Common Pump For Pumping Either Raw Sewage Or Sludge ?
Gear Pump | |
Centrifugal Pump | |
Electromagnetic Pump | |
Reciprocating Pump |
Which Of The Following Is The „Blasius Equation‟, Relating Friction Factor To The Reynolds Number ?
None Of These | |
F-0.5 = 4.07 Loge (Nref)-0.6 | |
Both ‘A’ And ‘B’ | |
F = 0.079.Nre-0.25 |
Which Of The Following Is Not Dimension-Less ?
Froude Number | |
None Of These | |
Kinematic Viscosity | |
Pressure Co-Efficient |
Which Of The Following Is Not Concerned With The Fluid-Particle Interaction ?
Froude Number | |
Galileo Number | |
Drag Co-Efficient | |
Weber Number |
Which Of The Following Is Not An Advantage Of Fluidisation From Transfer Operation Point Of View ?
Lower Fluid Pumping Power Requirement | |
Minimisation Of Temperature Variation | |
Intimate Contact Of The Fluid With All Parts Of The Solid Particles | |
Prevention Of Particle Segregation |
Which Of The Following Is Not A Dimension-Less Parameter ?
Kinematic Viscosity | |
Weber Number | |
Pressure-Co-Efficient | |
Froude Number |
Which Of The Following Is Most Prone To Pulsating Discharge Flow ?
Reciprocating Pump | |
Gear Pump | |
Axial Flow Pump | |
Centrifugal Pump |
Which Of The Following Is Dimensionless ?
Angular Velocity | |
Specific Volume | |
None Of These | |
Fanning Friction Factor |
Which Of The Following Is An Undesirable Property Of A Manometric Liquid ?
Low Viscosity & Surface Tension | |
Non-Sticky & Non-Corrosive Nature | |
Low Co-Efficient Of Thermal Expansion | |
High Vapour Pressure |
Which Of The Following Is A Newtonian Fluid ?
Rubber Latex | |
Sewage Sludge | |
Quicksand | |
Non-Colloidal Solution |
Which Of The Following Is A Dimensionless Parameter ?
Angular Velocity | |
None Of These | |
Specific Weight | |
Kinematic Viscosity |
Which Of The Following Has The Minimum Compressibility ?
Water At Room Temperature | |
Nitrogen At Room Temperature | |
Oxygen At Room Temperature | |
Air At Room Temperature |
Which Of The Following Has The Maximum Compression Ratio ?
Blower | |
Vacuum Pump | |
Fan | |
Compressor |
Which Of The Following Fluid Forces Are Not Considered In The Navier-Stoke’S Equation ?
Pressure Forces | |
Gravity Forces | |
Turbulent Forces | |
Viscous Forces |
Which Of The Following Flow Measuring Devices Is An Area Meter ?
Orificemeter | |
Anemometer | |
Venturimeter | |
Rotameter |
Which Of The Following Factors Does Not Contribute To The Pressure Drop In A Pipeline ?
None Of These | |
Length Of Pipe And Number Of Bends | |
Size Of Pipe | |
Velocity Of Fluid |
Which Of The Following Facilitates Close Control Of Flow Of Fluids ?
Gate Valve | |
Butterfly Valve | |
Check Valve | |
Globe Valve |
Which Of The Following Exemplifies A Three Dimensional Fluid Flow ?
Viscous Fluid Flow Between Converging Plates | |
Fluid Flow Between Parallel Plates | |
None Of These | |
Fluid Flow At The Inlet To A Nozzle |
Which Of The Following Equations Is Valid For Laminar Flow Of A Fluid Through Packed Bed ?
Fanning Equation | |
Blake-Plummer Equation | |
Kozeny – Karman Equation | |
Hagen-Poiseuille Equation |
Which Of The Following Equations As Suggested By Colebrook And White Gives The Increase In Roughness Of A New Surface (Ε0) With Age/Time (T) (Where, Ε =
4 | |
2 | |
3 | |
Ε = Ε0 + Α.T |
Which Of The Following Equations Applies To The Fluid Flow Through A Packed Bed For Very Large Reynolds Number ?
Hagen-Poiseuille Equation | |
Fanning Equation | |
Blake-Plummer Equation | |
Kozeny-Carman Equation |
Which Of The Following Denotes The Effect Of Compressibility In Fluid Flow ?
Euler Number | |
Weber Number | |
Reynolds Number | |
Mach Number |
Which Of The Following Conditions Must Be Satisfied For Lift Force To Be Developed ?
The Body Should Be Bluff Body | |
The Body Should Be Stream Lined | |
The Main Stream Velocity Must Approach The Velocity Of Sound In That Fluid Medium | |
Circulation Around The Body Is Essentially Required |