Irrigation Engineering Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ? convex water surface independent of shape of water surface concave water surface flat water surface convex water surface independent of shape of water surface concave water surface flat water surface ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies Neither (a) nor (b) Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between 30 to 60 cumecs Over 100 cumecs Over 60 cumecs 30 to 33 cumecs 30 to 60 cumecs Over 100 cumecs Over 60 cumecs 30 to 33 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lacy's regime condition is obtained if Discharge in the channel is variable Silt charge in the channel is variable Silt grade in the channel is variable Channel flows in unlimited, incoherent alluvium of the same character as that transported material Discharge in the channel is variable Silt charge in the channel is variable Silt grade in the channel is variable Channel flows in unlimited, incoherent alluvium of the same character as that transported material ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Vertical drop fall is satisfactory for a height upto 3.5 m 0.5 m 1.5 m 5.0 m 3.5 m 0.5 m 1.5 m 5.0 m ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering 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 250 years 150 years 200 years 50 years 250 years 150 years 200 years 50 years ANSWER DOWNLOAD EXAMIANS APP
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