Consider the following statements: The coefficient of discharge cd
of a venture meter takes into account
1 .The effect of roughness of the surface
2. Non – uniform velocity distributions at inlet and throat section
3. Reynolds number of flow
4. Discharge
5. Length of throat
6. Diameter of throat
7. Diameter ratio
Which of the statements given above are correct?
(a) 1,2,4 and 5 only (b) 1, 4,5and 6
(c) 1 ,2 ,3 and 7only (d) 2, 6 and 7 only