Irrigation | Water Resources Engineering and Hydrology

The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?

Byadmin January 18, 2019August 13, 2021

The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?

A. methyl alcohol
B. ethyl alcohol
C. cetyl alcohol
D. butyl alcohol

Irrigation | Water Resources Engineering and Hydrology

Which of the following canal outlets maintains a constant discharge ?

Which of the following canal outlets maintains a constant discharge ?

A. non-modular outlet
B. flexible outlet
C. rigid module
D. none of the above

Read More Which of the following canal outlets maintains a constant discharge ?
Irrigation | Water Resources Engineering and Hydrology

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__________________?

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

Read More 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__________________?
Irrigation | Water Resources Engineering and Hydrology

For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?

For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?

A. 0.2 x 106
B. 0.6 x 106
C. 2.4 xlO6
D. 7.2 xlO6

Read More For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?
Irrigation | Water Resources Engineering and Hydrology

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?

A. low sodium water
B. medium sodium water
C. high sodium water
D. very high sodium water

Read More Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?
Irrigation | Water Resources Engineering and Hydrology

Interception losses are due to_______________?

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)

Read More Interception losses are due to_______________?
Irrigation | Water Resources Engineering and Hydrology

A 70% index of wetness means_______________?

A 70% index of wetness means_______________?

A. rain excess of 30%
B. rain deficiency of 30%
C. rain deficiency of 70%
D. none of the above

Read More A 70% index of wetness means_______________?

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