Q. An orifice is said to be a large orifice when (Solved)
1. Electrical conductivity
2. An orifice can discharge fluid within 10 minutes
3. The cross-section of orifie is not less than 10% of the cross-section of tank
4. The head over the orifice is smaller than its vertical dimensions
- d. The head over the orifice is smaller than its vertical dimensions