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Fluid Mechanics MCQs Quiz 5

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Question 1

A Particle A Of Diameter 10 Microns Settles In An Oil Of Specific Gravity 0.9 And Viscosity 10 Poise Under Stoke’S Law. A Particle B With Diameter 20 Microns Settling In The Same Oil Will Have A Settling Velocity ?

Score: 0 of 1
Your answerChoice

Four Times As That Of A

Twice As That Of A

Selected

Same As That Of A

One Fourth As That Of A

Question 2

A Piezometer Opening Measures The --------- Fluid Pressure?

Score: 1 of 1
Your answerChoice

Dynamic

Total

Selected

Undisturbed

Static

Question 3

A Piezometer Provided In The Pipe Measures----------?

Score: 0 of 1
Your answerChoice

None Of These

Selected

Dynamic Pressure

Static Pressure

Friction Factor

Question 4

A Pipe Is Defined As ‘Hydraulically Smooth’, If The Friction Factor---------?

Score: 0 of 1
Your answerChoice

For A Given Reynolds Number Remains Constant Even On Further Smoothening Of The Pipe

Selected

Is Zero Irrespective Of The Reynolds Number

None Of These

Is Not A Function Of Reynolds Number

Question 5

A Pipe Of I.D. 4 M Is Bifurcated Into Two Pipes Of I.D. 2 M Each. If The Average Velocity Of Water Flowing Through The Main Pipe Is 5 M/Sec, The Average Velocity Through The Bifurcated Pipes Is----------?

Score: 0 of 1
Your answerChoice

5 √2 M/Sec

10 M/Sec

Selected

20 M/Sec

5 M/Sec

Question 6

A Pitched-Blade Turbine Draws ---------- A Straight Blade Turbine?

Score: 0 of 1
Your answerChoice

Same Power As

Selected

More Power Than

Less Power Than

Data Insufficient To Predict

Question 7

A Pitot Tube Indicates 5 Cm Of Water (Manometer) When It Is Being Used For Measuring Velocity Of Air. The Velocity Of Air In M/Sec Is-----------?

Score: 1 of 1
Your answerChoice

14.1

5

Selected

28.2

56.22

Question 8

A Pressure Head Of 320 Metres Of Water In Meters Of Ccl4 (Sp.Gr = 1.6) Will Be----------?

Score: 0 of 1
Your answerChoice

320

Selected

160

200

100

Question 9

A Pressure Of 10 M Head Of Water Is Equivalent To ---------- Kn/M2?

Score: 0 of 1
Your answerChoice

196

49

Selected

147

98

Question 10

A Pump Operating Under Specific Conditions Delivers Insufficient Quantity Of Liquid. This May Be Set Right By--------?

Score: 1 of 1
Your answerChoice

Increasing The Size Of The Inlet Pipe

Selected

Both And C.

Lowering The Pump Position

Decreasing The Size Of The Inlet Pipe

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