Lakshya Education MCQs

Question: The reynold's number of a ship is __________ to its velocity and length.
Options:
A. Directly proportional
B. Inversely proportional
C. Square root of velocity
D. None of these
Answer: Option A

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More Questions on This Topic :

Question 1. The velocity corresponding to reynold number of 2000 is called
  1.     Sub-sonic velocity
  2.     Super-sonic velocity
  3.     Lower critical velocity
  4.     Higher critical velocity
Answer: Option C
Question 2. The pressure of the liquid flowing through the divergent portion of a venturimeter
  1.     Remains constant
  2.     Increases
  3.     Decreases
  4.     Depends upon mass of liquid
Answer: Option C
Question 3. In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
  1.     1/16 to 1/8
  2.     1/8 to 1/4
  3.     1/4 to 1/3
  4.     1/3 to 1/2
Answer: Option D
Question 4. The pressure of the liquid flowing through the divergent portion of a venturimeter
  1.     Remains constant
  2.     Increases
  3.     Decreases
  4.     Depends upon mass of liquid
Answer: Option C
Question 5. The velocity corresponding to reynold number of 2000 is called
  1.     Sub-sonic velocity
  2.     Super-sonic velocity
  3.     Lower critical velocity
  4.     Higher critical velocity
Answer: Option C
Question 6. Falling drops of water become spheres due to the property of
  1.     Adhesion
  2.     Cohesion
  3.     Surface tension
  4.     Viscosity
Answer: Option C

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