Q.73 | Which of the following evoporimeter is adopted by Indian standard IS: 5973-1970 for estimation of evaporation? | |
Ans | 1. Pan of 1.22 m in diameter and 25.5 cm in depth. | |
2. Pan of 90 cm square in plan and 45 cm deep. | ||
3. Pan of 1.22 m square in plan and 25.5 cm in depth. | ||
4. Pan of 92 cm square in plan and 46 cm deep. |
Correct Ans Provided: 1