Which of the following statement is wrong? Mark as favorite Copy Link The impermeable groynes do not permit any flow through them The impermeable groynes may be constructed by a core of locally available material like sand, clay and gravel The permeable groynes dampen the velocity and reduce the erosive action of the stream none of the above Check Answer
When the levels are such that the F.S.L. of the canal is much above the bed level of the trough, so that the canal runs under syphonic action under the trough, the structure provided is known? Mark as favorite Copy Link aqueduct canal syphon super aqueduct level crossing Check Answer
Which of the following statements is correct? Mark as favorite Copy Link The pattern of meander is altered by variation in discharge slope and bed forming material The degrading type of river looses its bed gradually in the form of sediment load of the stream The aggrading type of river builds up its bed to a certain slope all of the above Check Answer
Outlet discharge for a particular crop is given by? Mark as favorite Copy Link Area / Outlet factor Area x Outlet factor Outlet factor / Area none of these plains of Check Answer
A levee on flood? Mark as favorite Copy Link increases the water surface elevation of the river at flood decreases the surface slope of the stream above the leveed portion increases the velocity and scouring action through leveed section all of the above Check Answer
For Madras catchments, the flood discharge is estimated from Q = C * A (2/3) This forma known as? Mark as favorite Copy Link Ryve's formula Dicken's formula Nawab Jang Bahadur formula Inglis formula Check Answer
Available moisture may be defined as the? Mark as favorite Copy Link moisture content at permanent wilting point difference in water content of the soil between field capacity and permanent wilting maximum moisture holding capacity all of these Check Answer
The hydrology cycle is expressed by the equation, where P = Precipitation, E = Evaporation, and R = Run-off? Mark as favorite Copy Link P = E - R P = E + R P = E x R P = E / R Check Answer
The graphical representation of average rainfall and rainfall excess (i.e. rainfall mi infiltration) rates over specified areas during successive unit time intervals during a storm is know? Mark as favorite Copy Link hyetograph hydrograph unit hydrograph none of these Check Answer
A hydraulic jump is formed when? Mark as favorite Copy Link the two flows of sub-critical velocity meet each other the two flows of super-critical velocity meet each other a sub-critical flow strikes against a super-critical flow a super-critical flow strikes against a sub-critical flow Check Answer