Find the height of a wave having a wind velocity of 25 km/h and a fetch of 40 km.
The river training work is generally required when the river is:
For developing no tension in a gravity dam, the eccentricity should be
How many days are generally taken to reach field capacity after free gravity drainage?
A particular crop requires about 20 cm depth of water at an interval of 40 days. The base period is 400 days. Find the total water requirement (delta) for the crop.
For a catchment area of 90 km2, the equilibrium discharge in m3/hr of an S-curve obtained by the summation of 3-hour unit hydrograph is
Which of the following formulas is used to calculate the 'Crop Ratio'?
An outlet irrigates an area of 40 hectares. Calculate the discharge required at this outlet to meet the evapotranspiration requirement of 40 mm occurring uniformly in 40 days, neglecting other field losses.
A canal irrigates a portion of a culturable command area to grow sugarcane and wheat. The average discharges required to grow sugarcane and wheat are respectively 0.36 cumecs and 0.27 cumecs. The time factor is 0.9. The required design capacity of the canal is:
The function of a launching apron at the end of the downstream impervious apron of a weir is: