Pick up the correct statement from the following:

A hydraulic structure is designed to withstand

In a barrage, the crest level is kept

For a standing crop, the consumptive use of water is equal to the depth of water

The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to

The main cause of silting up a channel,

The width of a meander belt is the transverse distance between

The length and width of a meander and also the width of the river, vary roughly as

The optimum depth of kor watering for a rice crop, is

The state of the soil when plants fail to extract sufficient water for their requirements, is

A fall in a canal bed is generally provided, if

In north Indian Plains, optimum depth of kor watering for wheat, is

The useful moisture of soil, is equal to its

The sensitivity of a rigid module, is

An outlet which maintains a constant discharge irrespective of fluctuation in the water levels of the supplying channel or water course, is known as

Regime conditions in a channel may occur if

If the optimum depth of kor watering for a crop is 15.cm, the outlet factor for the crop for four week period in hectares per cumec, is

Bligh's theory of seepage assumes

If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is

Useful soil moisture for plant growth, is

A deficit of sediments in flowing water may cause a river

Effective precipitation for a crop may be defined as

The field capacity of a soil is 25%, its permanent wilting point isand specific dry unity weight is 1.If the depth of root zone of a crop, iscm, the storage capacity of the soil, is

According to Khosla, the exist gradient of surface flow

Pick up the correct statement from the following:

Bed bars in a canal are provided

Canals taken off from ice-fed perennial rivers, are known

Canals constructed for draining off water from water logged areas, are known

If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by

The Lacey's regime velocity is proportional to