A land is known as waterlogged_________________?

A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above

Related Mcqs:

Which of the following methods of applying water may be used on rolling land ?
A. boarder flooding B. check flooding C. furrow flooding D. free flooding...
The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as__________________?
A. water conveyance efficiency B. water application efficiency C. water use efficiency D. none of the above...
If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?
A. equal to rate of rainfall B. equal to infiltration capacity C. more than rate of rainfall D. more than infiltration capacity...
A multipurpose reservoir is the one which is_________________?
A. designed for one purpose but serves more than one purpose B. planned and constructed to serve various purposes C. both (A. and (B. D. none of the above...
The sensitivity of a rigid module is_______________?
A. zero B. between zero and one C. 1 D. infinity...
A runoff river plant_________________?
A. is a medium head scheme B. generates power during peak hours only C. is suitable only on a perennial river D. has no pondage at all...
The net head under which the turbine reaches its peak efficiency at synchronous speed is called________________?
A. design head B. rated head C. gross head D. operating head...
Which of the following can be used as a meter fall ?
A. vertical drop fall B. flumed glacis fall C. unflumed glacis fall D. all of the above...
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?
A. 50 years B. 150 years C. 200 years D. 250 years...
Hydrograph is the graphical representation of________________?
A. runoff and time B. surface runoff and time C. ground waterflow and time D. rainfall and time...