Lakshya Education MCQs

Question: The pressure at a point 4 m below the free surface of water is
Options:
A. 19.24 kPa
B. 29.24 kPa
C. 39.24 kPa
D. 49.24 kPa
Answer: Option C

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More Questions on This Topic :

Question 1. The ratio of the inertia force to the viscous force is called
  1.     Reynold's number
  2.     Froude's number
  3.     Weber's number
  4.     Euler's number
Answer: Option A
Question 2. 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%
Answer: Option D
Question 3. 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
Answer: Option A
Question 4. The fourneyron turbine is _________ reaction turbine.
  1.     An axial flow
  2.     An inward flow
  3.     An outward flow
  4.     A mixed flow
Answer: Option C
Question 5. Multistage centrifugal pumps are used to obtain
  1.     High discharge
  2.     High head
  3.     Pumping of viscous fluids
  4.     High head and high discharge
Answer: Option B
Question 6. Practical fluids
  1.     Are viscous
  2.     Possess surface tension
  3.     Are compressible
  4.     Possess all the above properties
Answer: Option D

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