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Which Of The Following Can Be Used To Create A Flow Of Gas, Where No Significant Compression Is Required ?
Axial Flow Compressor | |
Blower | |
Reciprocating Compressor | |
Centrifugal Compressor |
Which Of The Following Can Be Used For The Direct Measurement Of Volumetric Flow Rate Of Slurry ?
Venturimeter | |
Pitot Tube | |
Rotameter | |
Orificemeter |
Which Of The Following Assumptions Enables The Euler’S Equation Of Motion To Be Integrated ?
The Fluid Is Non-Viscous | |
The Continuity Equation Is Satisfied | |
The Fluid Is Incompressible | |
The Flow Is Rotational And Incompressible |
Which Of The Fluid Forces Are Not Considered In The Reynold’S Equation Of Flow ?
Viscous Forces | |
Turbulent Forces | |
Pressure Forces | |
Compressibility Forces |
Which Law/Principle Of Solid Mechanics Is Similar/Equivalent To Newton’S Law Of Viscosity In Fluid Mechanics ?
Newton’S Third Law Of Motion | |
Newton’S Second Law Of Motion | |
Archimedes Principle | |
Hooke’S Law |
Which Law Is Followed By The Velocity Distribution In The Turbulent Boundary Layer ?
Logarithmic Law | |
None Of These | |
Parabolic Law | |
Linear Law |
Which Is The Most Efficient And Best For Measuring Very Small Flow Rate Of Gases ?
Flow Nozzle | |
Orificemeter | |
Rotameter | |
Venturimeter |
Which Is The Correct Relationship For A Centrifugal Pump?
H = 1840 D0.5/N | |
D = 1840 H/N | |
D = 1840 N/H0.5 | |
D = 1840 H0.5/N |
Which Is Not A Variable Head Meter ---------?
Pitot Tube | |
Venturimeter | |
Rotameter | |
None Of These |
Where Does The Maximum Stress Occur In Case Of Laminar Flow Of Incompressible Fluid In A Closed Conduit Of Diameter ‘D’ ?
At The Wall | |
At D/4 From The Wall | |
At D/8 From The Wall | |
At The Centre |
When The Water Is Warm, The Height To Which It Can Be Lifted By A Pump---------?
Decreases Due To Increased Frictional Resistance | |
Decreases Due To Reduced Viscosity | |
Decreases Due To Reduced Vapour Pressure | |
Increases Due To Increased Vapour Pressure |
When The Pipe Reynold’S Number Is 6000, The Flow Is Generally-----------?
Turbulent | |
Transition | |
Viscous | |
Laminar |
When The Momentum Of One Fluid Is Used For Moving Another Fluid, Such A Device Is Called A/An----------?
Acid Egg | |
Jet Pump | |
Blower | |
None Of These |
When The Head Pumped Against Is Less Than The Head Of The Fluid Used For Pumping, The Usual Device Is A/An----------?
Airlift | |
Injector | |
Blower | |
Ejector |
When Larger Particles E.G., Grains Are Subjected To Fluidisation, The Corresponding Bed Produced Is Termed As The ----------- Bed?
Spouted | |
Teeter | |
Sluggish | |
Boiling |
When A Fluid Flows Over A Solid Surface, The-----------?
Velocity Gradient Is Zero At The Solid Surface | |
Resistance Between The Surface & The Fluid Is Lesser As Compared To That Between The Fluid | |
Layers Themselves | |
Velocity Is Uniform At Any Cross-Section |
What Type Of Motion The Fluid Element Undergoes, When It Changes From One Position To Another Position, Such That The Angle Between The Two Sides Change
Linear Deformation | |
Rotation | |
Translation | |
Angular Deformation |
What Is The Value Of Fanning Friction Factor F ‘ For Smooth Pipe At Nre = 106 Approximately ?
0.01 | |
0.1 | |
0.3 | |
0.003 |
What Is The Value Of Co-Efficient Of Discharge For Square Edged Circular Orifice (For Β = 0.3 To 0.5) ?
0.35 – 0.55 | |
0.5 – 0.75 | |
0.75 – 0.90 | |
0.61 – 0.63 |
What Is The Unit Of Kinematic Viscosity In Si Unit ?
None Of These | |
M2/Sec | |
Kg. Sec/M | |
N/M2. Sec |
What Is The Speed Of Sound (M/Sec) In Ordinary Water ?
3000 | |
330 | |
1000 | |
1500 |
What Is The Shear Rate At The Pipe Wall, In Case Of Laminar Flow Of Newtonian Fluids In A Pipe Of Diameter ‘D’ & Length ‘L’ Incurring A Pressure Dro
4 Vavg/D | |
D Δp/8l | |
8 Vavg/D | |
D Δp/4l |
What Is The Ratio Of Total Kinetic Energy Of Fluid Passing Per Second To The Value Obtained On The Basis Of Average Velocity (For Laminar Flow Through A
1 | |
2 | |
1.5 | |
0.5 |
What Is The Ratio Of The Velocity At The Axis Of The Pipe To The Mean Velocity Of Flow In Case Of Pipe Flow Under Viscous Condition ?
0.5 | |
2 | |
1 | |
0.67 |
What Is The Ratio Of Fluid Carrying Capacity Of Two Pipes Having Diameters D1 And D2 Respectively ?
(D1/D2)0.8 | |
D1/D2 | |
(D1/D2)2 | |
(D1/D2)0.5 |