Irrigation Engineering Silt excluders are constructed on the canal bed upstream of head regulator river bed downstream of head regulator canal bed downstream of head regulator river bed upstream of head regulator canal bed upstream of head regulator river bed downstream of head regulator canal bed downstream of head regulator river bed upstream of head regulator ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Main purpose of mean water training for rivers is 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 All of these Flood control 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 All of these Flood control ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to 2 to 3 m per second 4 to 5 m per second 1 to 2 m per second 3 to 4 m per second 2 to 3 m per second 4 to 5 m per second 1 to 2 m per second 3 to 4 m per second 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 (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) 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/(1+ 0.9010) 1 – (0.9)°l0 1 + (0.9)010 1/(1-0.9°10) 1/(1+ 0.9010) 1 – (0.9)°l0 1 + (0.9)010 1/(1-0.9°10) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on a dam can be controlled byi) constructing cutoff under upstream faceii) constructing drainage channels between the dam and its foundationiii) by pressure grouting in foundationThe corret answer is both (i) and (ii) only (i) both (i) and (iii) (i), (ii) and (iii) both (i) and (ii) only (i) both (i) and (iii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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