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 The most suitable location of a canal head work, is Boulders stage of the river Trough stage of the river Delta stage of the river Rock stage of the river Boulders stage of the river Trough stage of the river Delta stage of the river Rock stage of the river 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/(1-0.9°10) 1 + (0.9)010 1 – (0.9)°l0 1/(1+ 0.9010) 1/(1-0.9°10) 1 + (0.9)010 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called Syphon aqueduct Super passage Super-aqueduct Syphon Syphon aqueduct Super passage Super-aqueduct Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Hydrodynamic pressure due to earthquake acts at a height of 4H/3π below the water surface, where H is the depth of water 3H/4π above the base 3H/4π below the water surface 4H/3π above the base 4H/3π below the water surface, where H is the depth of water 3H/4π above the base 3H/4π below the water surface 4H/3π above the base ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.) CLH1/2 CLH5/2 CHL3/2 CLH3/2 CLH1/2 CLH5/2 CHL3/2 CLH3/2 ANSWER DOWNLOAD EXAMIANS APP
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