## Lakshya Education MCQs

Question: The ratio of the inertia force to the viscous force is called
Options:
 A. Reynold's number B. Froude's number C. Weber's number D. Euler's number

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## More Questions on This Topic :

Question 1. Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of
1.     39.2%
2.     49.2%
3.     68.8%
4.     84.8%
Question 2. The hydraulic mean depth or the hydraulic radius is the ratio of
1.     Area of flow and wetted perimeter
2.     Wetted perimeter and diameter of pipe
3.     Velocity of flow and area of flow
4.     None of these
Question 3. Which of the following turbine is preferred for 0 to 25 m head of water?
1.     Pelton wheel
2.     Kaplan turbine
3.     Francis turbine
4.     None of these
Question 4. The pressure at a point 4 m below the free surface of water is
1.     19.24 kPa
2.     29.24 kPa
3.     39.24 kPa
4.     49.24 kPa
Question 5. The fourneyron turbine is _________ reaction turbine.
1.     An axial flow
2.     An inward flow
3.     An outward flow
4.     A mixed flow