The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?

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The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be__________________?

A. 50 cm B. 55 cm C. 56 cm D. 60 cm...

Hydrodynamic pressure due to earthquake acts at a height of_________________?

A. 3H/47I above the base B. 3H747t below the water surface C. 4H/371 above the base D. 4H737t below the water surface where H is the depth of water...

River training for depth is achieved by_______________?

A. groynes B. construction of dykes or leavees C. both (A) and (B) D. groynes and bandalling...

The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?

A. aqueduct and syphon aqueduct B. aqueduct and super passage C. super passage and canal syphon D. level crossing...

The runoff increases with________________?

A. increase in intensity of rain B. increase in infiltration capacity C. increase in permeability of soil D. all of the above...