1. Atmometer is used to measure ____.
[A] Evaporation
[B] Transpiration
[C] Evapotranspiration
[D] All of the above
Answer: Option A
2. The Bowen ratio is defined as ____.
[A] Ratio of heat flux to moisture flux near the surface
[B] Proportionality constant between vapour heat flux and sensible heat flux
[C] Ratio of actual evapotranspiration and potential evapotranspiration
[D] Proportionality constant between heat energy used up in evaporation and the bulk radiation from a water body
Answer: Option A
3. Infiltration capacity ____.
[A] is constant factor
[B] Changes with time
[C] Changes with location
[D] Changes with time and location
Answer: Option D
4. The best method of estimating runoff is ____.
[A] Unit Hydrograph
[B] Runoff-Coefficient Method
[C] Rational formula
[D] Infiltration index method
Answer: Option A
5. The rate of rainfall above which the rainfal volume equals the runoff volume is called
[A] W index
[B] phi-Index
[C] Runoff coefficient
[D] Basin recharge
Answer: Option B