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 (i), (ii) and (iii) both (i) and (iii) both (i) and (ii) only (i) (i), (ii) and (iii) both (i) and (iii) both (i) and (ii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 1.5 m/sec 0.5 m/sec 1 m/sec 2 m/sec 1.5 m/sec 0.5 m/sec 1 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The main function of a diversion head works of a canal from a river, is To store water To raise water level To remove silt To control floods To store water To raise water level To remove silt To control floods ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by l-(0.9)100 (0.9)00 1 – (0.99)10 (0.99)10 l-(0.9)100 (0.9)00 1 – (0.99)10 (0.99)10 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal is carried over a natural drainage, the structure provided, is known as Aqueduct Syphon Syphon-aqueduct Super passage Aqueduct Syphon Syphon-aqueduct Super passage ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Canals taken off from ice-fed perennial rivers, are known Ridge canals Inundation canals Perennial canals Permanent canals Ridge canals Inundation canals Perennial canals Permanent canals ANSWER DOWNLOAD EXAMIANS APP
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