Calibration of V-Notch

  1. What is the difference between notch and weir?
  2. Discuss end contraction of weir or notch?
  3. What are the advantages of triangular notch over rectangular notch?
  4. Find expression for the discharge over the triangular notch in terms of head of liquid over the crest of the notch and included angle?
  5. Prove that error in the discharge due to error in the measurement head over the rectangular notch is