Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Ethyl alcohol Methyl alcohol Cetyl alcohol Butyl alcohol Ethyl alcohol Methyl alcohol Cetyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is 0.2 x 106 0.6 x 106 7.2 xlO6 2.4 xlO6 0.2 x 106 0.6 x 106 7.2 xlO6 2.4 xlO6 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lacey's equation for calculating flood discharge in rivers, is V = 10.8 R1/3 S2/3 V = 10.8 R1/2 S1/2 V = 10.8 R2/3 S1/2 V = 10.8 R2/3 S1/3 V = 10.8 R1/3 S2/3 V = 10.8 R1/2 S1/2 V = 10.8 R2/3 S1/2 V = 10.8 R2/3 S1/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A raingauge should preferably be fixed near the building under the tree in a closed space in an open space near the building under the tree in a closed space in an open space 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)°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) 1 + (0.9)010 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 (i) and (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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