Irrigation Engineering According to Lacey, in regime conditions Silt is kept in suspension by vertical components of eddies Both (a) and (b) Neither (a) nor (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 Both (a) and (b) Neither (a) nor (b) Entire cross-section of the channel is generated at all points by the forces normal to the ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is 2R (θ + cos θ) 2R (θ + tan θ) R (θ + tan θ) R (θ + cos θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + tan θ) R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between Over 100 cumecs Over 60 cumecs 30 to 33 cumecs 30 to 60 cumecs Over 100 cumecs Over 60 cumecs 30 to 33 cumecs 30 to 60 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be 60 cm 50 cm 56 cm 55 cm 60 cm 50 cm 56 cm 55 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The water stored in the reservoir below the minimum pool level is called surcharge storage valley storage dead storage useful storage surcharge storage valley storage dead storage useful storage ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a flood control reservoir, the effective storage is equal to useful storage + surcharge storage + valley storage useful storage + surcharge storage -valley storage useful storage – valley storage useful storage + surcharge storage useful storage + surcharge storage + valley storage useful storage + surcharge storage -valley storage useful storage – valley storage useful storage + surcharge storage ANSWER DOWNLOAD EXAMIANS APP