If the duration of a unit hydrograph approaches zero, the resulting unit hydrograph is called __________________? April 26, 2025 by admin A. Instantaneous unit hydrograph B. Intensity unit hydrograph C. Unit hydrograph D. Unit hyetgoraph
Land containing high percentage of alkalies may be reclaimed by addition of_____________________? April 26, 2025 by admin A. Caso4 B. Gypsum C. Chemicals D. Caco3
The method of irrigation in which each tree is surrounded by a border to form a pool when water is supplied is called ________________? April 26, 2025 by admin A. Furrow irrigation B. Basin irrigation C. Border irrigation D. Check irrigation
Net irrigation + field irrigation losses are the requirement of _____________________? April 26, 2025 by admin A. Full irrigation B. Field irrigation C. Furrow irrigation D. Basin irrigation
A structure made near weirs and barrages to facilitate the migration of fish up stream or down stream is called __________________? April 26, 2025 by admin A. Fish ladder B. Fish escape C. Fish pool D. Fish pond
The most economical central angle of an arch dam is made at ___________________? April 26, 2025 by admin A. 123º B. 133! C. 143º D. 153º
The ratio of change of discharge of an outlet to the rate of change in level of water surface in distributary at its normal depth is called ____________________? April 26, 2025 by admin A. Sensitivity B. Flexibility C. Durability D. Flow ability
The unit of kinetic viscosity is equivalent to ______________________? April 26, 2025 by admin A. cm2/sec B. cm/sec2 C. cm/sec D. All are correct
Total energy line (T.E.L) represents the sum of ________________________? April 26, 2025 by admin A. Pressure head + kinetic head and datum head B. Velocity head + kinetic head + datum head C. Velocity head + potential head + datum head D. The energy head + potential head + datum head
Friction head loss in open channels is determined by_________________? April 26, 2025 by admin A. Chezy’s formula B. Darcy weisbach equation C. Kutter’s formula D. Pilot tube
