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ESE CE: Hydrology Champion Quiz 3

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Question 1

The Total observed runoff volume during a 4 hour strom with a uniform intensity of 2.8 cm/hr is 25.2×10⁶ m³ from a basin of 280 km² area. What is the average infiltration rate for the basin?

Question 2

Assertion (A):The unit hydrograph cannot be applied for areas less than 5000 sq. km.
Reason (R): The run-off hydrograph reflects the physiographic factors of a catchment.

Question 3

A 4 hours unit hydrograph of a basin can be approximated as a triangle with a base period of 48 hours and peak ordinate of 300 m³/s. what is the area of the catchment basin?

Question 4

Surface Runoff represents total water

Question 5

S- curve Hydrograph is the hydrograph

Question 6

If the direction of advance of a storm is the same as the direction of the resulting runoff in the drainage basin, such runoff will generally

Question 7

The peak magnitude of a flood hydrograph during 4 hr study duration over a catchment is 300 m³/s. The total depth of rainfall is 6 cm, and the infiltration loss during the said 4 hr period is 2 cm, A constant uniform base flow of 20 m³/s is premised throughout. The peak value of the corresponding 4 hr UH is

Question 8

The ratio of actual evapo-transpiration to potential evapo–transpiration is in the range

Question 9

The correct match of Group I with Group II is
Group I
P. Evapotranspiration
Q. Infiltration
R. Synthetic unit hydrograph
S. Channel Routing

Group II
1) Penman method
2) Snyder’s method
3) Muskingum method
4) Horton’s method

Question 10

An isolated 4-hour storm occurred over a catchment as follows

The φ index for the catchment is l0mm/h. The estimated runoff depth from the catchment due to the above storm is_____mm.

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ESE & GATE CE Engineering Hydrology

Aug 7ESE & GATE CE