Hydraulic Machines Multiple Choice Questions and Answers


41. Pilot tube is used for measurement of .......


   A.Pressure

   B.Flow

   C.Velocity at a point

   D.Discharge


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C.Velocity at a point

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42. Bernoulli's theorem deals with the law of conservation of .......


   A.Mass

   B.Momentum

   C.Energy

   D.None of them


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C.Energy

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43. The flow in pipe is laminar if .........


   A.Reynolds number is equal to 2500

   B.Reynolds number is equal to 4000

   C.Reynolds number is more than 2500

   D.None of the above


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D.None of the above

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44. A stream line is a line ......


   A.Which is along the path of a particle

   B.Which is always parallel to the main direction of flow

   C.Across which there is no flow

   D.On which tangent drawn at any point gives the direction of velocity


✔ View Answer


C.Across which there is no flow

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45. Continuity equation deals with the law of conservation of .......


   A.Mass

   B.Momentum

   C.Energy

   D.None of the above


✔ View Answer


A.Mass

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