Irrigation - Engineering

Q1:

Pick up the correct statement from the following:

A If the flexibility is more than one, the outlet is hyper-proportional

B If the setting of an outlet is higher than that required for proportionality, the outlet is hyper-proportional

C If the setting of an outlet is lower than that required for proportionality, the outlet is sub-proportional

D If the flexibility is zero, it is a rigid module

E All the above.

ANS:E - All the above.

Please explain the answer in detail.