Instantaneous unit hydrograph is a hydrograph of________________? 1) unit duration 2) unit rainfall excess 3) infinitely small duration 4) infinitely small rainfall excess The correct answer is? A. (1) and (2) B. (1)and(4)C. (2) and (3) D. (3) and (4)
To determine the discharge at a section in a stream from its rating curve, the required data are_______________? 1) slope of water surface at the section 2) stage at the section 3) current meter readings at the section The correct…
Interception losses are due to_______________? 1) evaporation 2) transpiration 3) stream flow The correct answer is? A. only (1) B. (1) and (2) C. (1) and (3) D. (1), (2) and (3)
Variability of rainfall is____________? 1) largest in regions of high rainfall 2) largest in coastal areas 3) largest in regions of scanty rainfall The correct answer is? A. only (1) B. (1) and (2)C. only (3) D. (2) and (3)
Presence of tail water in a gravity dam_____________? 1) increases the principal stress 2) decreases the principal stress 3) increases the shear stress 4) decreases the shear stress The correct answer is A. (1) and (3) B. (1) and (4)…
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________________? 1) Water pressure 2) Self weight 3) Uplift 4) Pressure due to earthquake The correct answer is A. Only…
Rate of evaporation from a water surface increases if_________________? 1) difference of vapour pressure between water and air is increased 2) velocity of wind is decreased 3) concentration of soluble solids in water is decreased The correct answer is? A.…
The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be_________________? A. 637 hectares/m3/sec B. 837 hectares/m3/sec C. 972 hectares/m3/sec D. 1172 hectares/m3/sec
Optimum depth of kor watering for rice is______________? A. 135 mm B. 165 mmC. 190 mm D. 215 mm
Which of the following methods of applying water may be used on rolling land ? A. boarder flooding B. check flooding C. furrow flooding D. free flooding