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GATE 2023 Hydrology and irrigation Quiz 6

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Question 1Multiple Correct Options

Which of the following statements are correct?

Question 2

In the month of June, the average surface area of the lake was found to be 500 ha. During this period 0.3 Mm3 of water evaporates from lake. Assuming pan-coefficient to be 0.estimated pan-Evaporation will be (mm/day)

Question 3

If the intensity of rainfall is 3 cm/hr, evaporation losses are 6 mm and infiltration losses are 14 mm than the runoff (cm) from a rainfall of 3 hours is

Question 4

The normal annual rainfall of station A, B, C and D in a catchment is 80 mm, 91mm, 85mm, 87mm, respectively. In the year 2018, the station D was inoperative when station stations A, B and C recorded annual rainfall of 91, 72, 80 mm. Then the missing rainfall at station D in 2018 is _________mm. (Up to 2 decimal places)

Question 5

A catchment has 6 raingauge stations. In a particular year the annual rainfall recorded by them are as follows:

Considering the raingauge network to be adequate determine the percentage error involved in estimation of mean rainfall

Question 6

Find the missing rainfall(in mm) at station X. (given data are in mm)

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Apr 25ESE & GATE CE