Which of the following statement is wrong? Mark as favorite Copy Link Energy dissipaters are provided for small discharges The siphon fall is designed to maintain a fixed supply level in the channel The energy dissipation takes place by the provision of roughening devices In a trapezoidal notch fall, the top width of the notch is kept between 3/4th to full water depth above the sill of the notch Check Answer
A river training work is generally required when the river is? Mark as favorite Copy Link aggrading type meandering type degrading type stable type Check Answer
Lacey gave a relation between? Mark as favorite Copy Link area and velocity velocity and hydraulic mean depth both (a) and (b) none of these Check Answer
The crest of the under-sluices should be lower than the crest of the head regulator (if silt excluder is provided) by at least? Mark as favorite Copy Link 1.8 to 2 m 4 to 5 m 2 to 2.5 m 1 to 1.2 m Check Answer
The capacity of escape channel should not be less than …… of the capacity of the channel at that point? Mark as favorite Copy Link 20% 30% 40% 50% Check Answer
When an oven-dried sample of soil is kept open in the atmosphere, it absorbs some amount of water. This water is known as? Mark as favorite Copy Link hygroscopic water gravitational water capillary water all of these Check Answer
When the drain is over the canal, the structure provided is known as? Mark as favorite Copy Link syphon aqueduct super-passage aqueduct canal syphon Check Answer
The first watering before sowing the crop, is known as? Mark as favorite Copy Link delta kor watering paleo none of these Check Answer
The irrigation engineering may be defined as? Mark as favorite Copy Link the process of artificially supplying water to soil for raising crops a science of planning and designing an efficient and economic irrigation system the engineering of controlling and harnessing the various natural sources of water, by construction of dams, canals and finally distributing the water to the agricultural fields all of the above Check Answer
Which of the following method is useful for obtaining values of flood discharges for a recurrence interval? Mark as favorite Copy Link Hazen's method Gumbel's method California method all of these Check Answer