1.Unit
conversation of area in different forms like hectare , acre , vigha , guntha
etc.
2.What
is check dam ?
3. What
is different between check dam and coffer dam ?
4. What
is duty and delta ? units of duty and
delta ?
5. Relation
between base period , duty and delta
6. What
is meaning of base period and crop period ?
7. Units
if base period and crop period.
8. What
is “ Reverse boring” ?
9. Which
are factors affection on duty ?
10. What
is sedimentation ?
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