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What Is The Ratio Of Displacement Thickness To Nominal Thickness For A Linear Distribution Of Velocity In The Boundary Layer On A Flat Plate ?
1 | |
1.5 | |
2 | |
0.5 |
What Is The Pipe Called Which Lifts Water From A Reservoir To A Greater Height Than The Initial Level In The Supply Reservoir ?
Pressure Pipeline | |
Tunnel | |
Penstock | |
Siphon |
What Is The Normal Range Of Exit Cone Angle Of A Venturimeter ?
7 To 15 | |
>25 | |
15 To 25 | |
2 To 5 |
What Is The Maximum Theoretical Suction Lift (Metres) Of A Reciprocating Pump ?
10 | |
50 | |
0 | |
5 |
What Is The Force Required (In Newtons) To Hold A Spherical Balloon Stationary In Water At A Depth Of H From The Air-Water Interface?
0.01 Πgh/4 | |
0.04 Πgh/3 | |
4πg/3 | |
0.01 Πgh/8 |
What Is The Co-Efficient Of Contraction, If A Fluid Jet Discharging From A 50 Mm Diameter Orifice Has A 40 Mm Diameter At Its Vena-Contracta ?
0.32 | |
0.64 | |
1.65 | |
0.94 |
What Causes Convective Acceleration In Fluid Flow ?
Unsteady Nature Of Flow | |
Steep Slope In Flow | |
Non-Uniformity Of Flow | |
Turbulence In Flow |
What Causes Cavitation In Centrifugal Pump ?
Low Barometric Pressure | |
High Suction Pressure | |
High Suction Velocity | |
Low Suction Pressure |
Weber Number Is The Ratio Of Inertial Force To --------- Force?
Elastic | |
Viscous | |
Surface Tension | |
Gravity |
Water Hammer Is Caused, When Water Flowing In A Pipe Is Suddenly Brought To Rest By Closing The Valve.
Pipe Length | |
Time Taken To Close The Valve | |
All A., And C. | |
Fluid Velocity In The Pipe |
Water Hammer In A Pipeline Results From The--------?
Pressure Increase Due To Closure Of A Valve Resulting In Decrease In Rate Of Flow | |
Bursting Of Pipelines Due To Closure By A Valve | |
None Of These | |
Rapid Pressure Change Due To A Rapid Change In The Rate Of Flow |
Water Flow Rate In A Pipe Of 3.5 Metres Diameter Can Be Most Economically And Conveniently Measured By A/An --------?
Pitot Tube | |
Orificemeter | |
Rotameter | |
Venturimeter |
Volute Type Of Casing Is Provided In A Centrifugal Pump To-----------?
Increase The Discharge | |
Reduce The Discharge Fluctuation | |
Convert Pressure Head To Velocity Head | |
Convert Velocity Head To Pressure Head |
Volute Of A Centrifugal Pump Should Be Designed In A Fashion, Such That The--------?
Mean Velocity Remains Constant | |
Kinetic Head Gets Converted Into Static Head | |
Moving Stream Gradually Reduces Velocity | |
None Of These |
Volume Of Liquid Displaced By A Floating Body Is Equivalent To Its---------?
Own Volume | |
Submerged Weight | |
Submerged Volume | |
Own Weight |
Viscosity Of Water Is About --------- Times That Of Air At Room Temperature?
15 | |
1050 | |
1 | |
55 |
Viscosity Of Water At 40°C Lies In The Range Of-----------?
0.5 To 1 Kg/M.S | |
1 To 2 Kg/M.S | |
0.5 × 10-3 To 1 × 10-3 Kg/M.S | |
1 × 10-3 To 2 × 10-3 Kg/M.S |
Very Small Pressure Difference (< 5 Mm Water Column) Can Be Most Conveniently Measured By A/An --------- Manometer?
U-Tube Mercury | |
Inclined Tube Mercury | |
U-Tube Water | |
Inclined Tube Water |
Venturimeters, Orificemeters And Nozzles Are Used To Measure The Fluid Discharge From A Pipeline.
Weir | |
Cup And Vane Anemometer | |
None Of These | |
Hot Wire Anemometer |
Venturimeter And Orificemeter Measures The --------- Of The Fluid?
Maximum Velocity | |
Point Velocity | |
Pressure | |
Average Velocity |
Vena-Contracta Pressure Tapping Is At A Distance ----------- From The Position Of An Orificemeter Fitted In A Pipe Of Internal Diameter ‘D’ ?
2d | |
4d | |
0.5 D | |
D |
Vena-Contracta Formed During Flow Of A Liquid Through An Orificemeter Has----------?
More Diameter Compared To Orifice Diameter | |
Minimum Liquid Cross-Section | |
Minimum Velocity Of Fluid Stream | |
None Of These |
Velocity Of Liquid Hydrocarbon Fuels In A Pipeline Cannot Be Measured By Magnetic Flowmeters, Because Their ---------- Is Very Low/Small?
Electrical Resistivity | |
Electrical Conductivity | |
Thermal Conductivity | |
Specific Gravity |
Velocity Head On Sudden Enlargement In A Horizontal Pipe Is Converted Into ---------- Head?
Elevation | |
Both & B. | |
Pressure | |
Neither Nor B. |
Velocity Distribution For Flow Between Two Fixed Parallel Plates---------?
Is Zero At The Plates And Increases Linearly To The Mid-Plane | |
Is Constant Over The Entire Cross-Section | |
None Of These | |
Varies Parabolically Across The Section |