Irrigation Engineering The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is 10 cm 14 cm 12 cm 8 cm 10 cm 14 cm 12 cm 8 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable section of a lined canal, is Both (a) and (b) None of these Triangular section with circular bottom for small canals Trapezoidal section with rounded corners for large canals Both (a) and (b) None of these Triangular section with circular bottom for small canals Trapezoidal section with rounded corners for large canals 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 R (θ + tan θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + cos θ) 2R (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 30 to 33 cumecs Over 100 cumecs Over 60 cumecs 30 to 60 cumecs 30 to 33 cumecs Over 100 cumecs Over 60 cumecs 30 to 60 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The duty is largest at the head of water course on the field at the head of a main canal same at all places at the head of water course on the field at the head of a main canal same at all places ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In gravity canals, F.S.L. is Always below the ground level Always at the ground level Only a few cm above the ground level Generally 4 to 5 metres above the ground level Always below the ground level Always at the ground level Only a few cm above the ground level Generally 4 to 5 metres above the ground level ANSWER DOWNLOAD EXAMIANS APP
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