Irrigation Engineering According to Lacey, in regime conditions Both (a) and (b) Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For designing the venturi head, Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal Minimum throat width should not be less than 60 cm Width of the throat should not be less than one-third of the bed width of main canal All listed here Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal Minimum throat width should not be less than 60 cm Width of the throat should not be less than one-third of the bed width of main canal All listed here ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1 + (0.9)010 1 – (0.9)°l0 1/(1-0.9°10) 1/(1+ 0.9010) 1 + (0.9)010 1 – (0.9)°l0 1/(1-0.9°10) 1/(1+ 0.9010) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Optimum depth of kor watering for rice is 135 mm 165 mm 190 mm 215 mm 135 mm 165 mm 190 mm 215 mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Pick up the correct statement from the following mention All of these Gravity water is harmful to crops Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants Hygroscopic water remains attached to soil molecules by chemical bond All of these Gravity water is harmful to crops Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants Hygroscopic water remains attached to soil molecules by chemical bond ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is PC/100L 100 PLC PLC/1000 PL/1000C PC/100L 100 PLC PLC/1000 PL/1000C ANSWER DOWNLOAD EXAMIANS APP