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 only (i) both (i) and (iii) (i), (ii) and (iii) both (i) and (ii) only (i) both (i) and (iii) (i), (ii) and (iii) both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Infiltration capacity changes with time changes with both time and location changes with location is a constant factor changes with time changes with both time and location changes with location is a constant factor ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Generally the weir is aligned at right angles to the direction of the main river current because It gives better discharging capacity All of these It ensures less length of the weir It is economical It gives better discharging capacity All of these It ensures less length of the weir It is economical ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The main cause of meandering is degradation the extra turbulence generated by the excess of river sediment during floods None of these presence of an excessive bed slope in the river degradation the extra turbulence generated by the excess of river sediment during floods None of these presence of an excessive bed slope in the river ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after 50 years 200 years 150 years 250 years 50 years 200 years 150 years 250 years 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 + (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) 1/(1+ 0.9010) ANSWER DOWNLOAD EXAMIANS APP
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