Medium Viscosity Lubricating Oil Can Be Most Ideally Pumped By A ---------- Pump?
Medium Viscosity Lubricating Oil Can Be Most Ideally Pumped By A ---------- Pump?
Vane | |
Piston | |
Plunger | |
Centrifugal |
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Medium Viscosity Lubricating Oil Can Be Most Ideally Pumped By A ---------- Pump?
Vane | |
Piston | |
Plunger | |
Centrifugal |
Maximum Theoretical Suction Lift For Water At 15°C By A Centrifugal Pump Is 34 Ft. The Same For Water At 90°C Will Be --------- Ft?
34 | |
40 | |
37 | |
8 |
Mass Velocity Is Independent Of Temperature & Pressure, When The Flow Is----------?
Steady And The Cross-Section Is Unchanged | |
Unsteady And The Cross-Section Is Changed | |
Unsteady Through Unchanged Cross-Section | |
Steady Through Changing Cross-Section |
Mass Velocity In Case Of Steady Flow And Through A Constant Cross-Section Conduit Is Independent Of The ---------?
Temperature | |
Both & B. | |
Both & B. | |
Pressure |
Manometers Measure The ---------- Pressure?
Vacuum As Well As The Atmospheric | |
Absolute | |
Gage | |
Difference In |
Major Loss In Sudden Contraction In Pipe Flow Is Due To --------?
None Of These | |
Flow Contraction | |
Expansion Of Flow After Sudden Contraction | |
Boundary Friction |
Maintenance Cost Of A ---------- Pump For A Particular Duty Is The Least?
Volute | |
Centrifugal | |
Reciprocating | |
Gear |
Mach Number Is The Ratio Of The Speed Of The ---------?
Sound To That Of The Fluid | |
Light To That Of The Fluid | |
Fluid To That Of The Sound | |
Fluid To That Of The Light |
Mach Number Is Important In A Fluid Flow Problem, When The Inertia And --------- Forces Predominate?
Viscous | |
None Of These | |
Gravity | |
Elastic |
Mach Number Is Defined As The Ratio Of The Local Flow Velocity To The Sonic Velocity In The Fluid.
< 0.3 | |
50 | |
1 | |
> 3 |
Lower Bwg Means --------- Of The Tube?
Outer Diameter | |
Inner Diameter | |
Lower Thickness | |
Lower Cross-Section |
Low Specific Speed Of A Pump Implies That, It Is A/An ---------- Pump?
None Of These | |
Mixed Flow | |
Axial Flow | |
Centrifugal |
Location Of Vena-Contracta In An Orificemeter Does Not Depend Upon The--------?
Type Of Orifice | |
Pipe Roughness | |
Density, Viscosity & Compressibility Of The Fluid | |
Ratio Of Pipe Diameter To Orifice Diameter |
Liquid Delivery By Centrifugal Pump Starts, Only When The Head Developed By It Is Equal To The -------- Head?
Friction | |
Total | |
Manometric | |
Static |
Laminar Flow Of A Newtonian Fluid Ceases To Exist, When The Reynolds Number Exceeds-----------?
4000 | |
1500 | |
2100 | |
3000 |
Laminar Flow Is Characterised By The Nonexistence Of---------?
All A., & C. | |
Deviating Velocities | |
Eddies | |
Pressure Fluctuation |
Kinetic Energy Of Fluid Per Unit Weight Represented By The Velocity Head Is Given By-----------?
Ρv2/Gc | |
V2/2gc | |
2v2/Gc | |
Ρ. |
It Is Possible To Integrate An Automatic Flow Controller To A--------?
Venturimeter | |
Rotameter | |
Flow Nozzle | |
None Of These |
Isotropic Turbulence Occurs ----------?
Where There Is No Velocity Gradient | |
At Higher Temperatures | |
None Of These | |
Only In Newtonian Fluids |
Isothermal Turbulent Flow Of A Fluid Results In Decrease Of Its Pressure, Which Depends On The----------?
Reynolds Number | |
Both & B. | |
Both & B. | |
Wall Roughness |
Interstage Coolers Are Provided In A Multistage Compressor To--------?
Cool The Delivered Air | |
Save Power In Compressing A Given Volume To A Given Pressure | |
None Of These | |
Achieve The Exact Delivery Pressure |
In Which Type Of Fluid Flow, The Velocity Of Flow Of Fluid Changes From Point To Point In The Fluid At Any Instant ?
Turbulent | |
Rotational | |
Non-Uniform | |
Unsteady |
In Which Of The Following Cases, It Is Possible For Flow To Occur From Low Pressure To High Pressure ?
Impossible In A Constant Cross-Section Conduit | |
Flow Through A Converging Section | |
Flow Of Liquid Upward In A Vertical Pipe | |
Flow Of Air Downward In A Pipe |
In Which Of The Following Body Shapes, The Pressure Drag Is Large Compared To The Friction Drag ?
Bluff Body | |
Stream Line Body | |
None Of These | |
Two Dimensional Body |
In Turbulent Flow, The----------?
Shear Stress Is Caused More Effectively By Cohesion Than Momentum Transfer | |
Momentum Transfer Is On Molecular Scale Only | |
Fluid Particles Move In An Orderly Manner | |
Shear Stresses Are Generally Larger Than In A Similar Laminar Flow |