Irrigation Engineering With the increase in the quantity of water supplied, the yield of most crops decreases continuously increases upto a certain limit and then decreases increases upto a certain limit and then becomes constant increases continuously decreases continuously increases upto a certain limit and then decreases increases upto a certain limit and then becomes constant increases continuously ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Main purpose of mean water training for rivers is To provide sufficient depth of water in navigable channels, during low water periods Flood control All of these To preserve the channel in good shape by efficient disposal of suspended and bed load To provide sufficient depth of water in navigable channels, during low water periods Flood control All of these To preserve the channel in good shape by efficient disposal of suspended and bed load ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Regime conditions in a channel may occur if All listed here Silt grade and silt charge are constant Channel flows uniformly in incoherent alluvium as that transported in suspension Discharge is constant All listed here Silt grade and silt charge are constant Channel flows uniformly in incoherent alluvium as that transported in suspension Discharge is constant ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on the roof of an inverted syphon, is maximum when Drain is running with H.F.L. Canal is running with F.S.L. Drain in running dry Canal is running dry Drain is running with H.F.L. Canal is running with F.S.L. Drain in running dry Canal is running dry ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ? ultra-sonic method slope-area method area-velocity method moving boat method ultra-sonic method slope-area method area-velocity method moving boat method ANSWER DOWNLOAD EXAMIANS APP
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