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GATE CE 2020: Hydrology & Irrigation Quiz 1 (App update required to attempt this test)

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Question 1

A convective precipitation is

Question 2

Calculate the evaporation (mm) from a pond, if the pan evaporation is 45 mm. The pan coefficient is 0.70.

Question 3

Consider the following with respect to ‘double- mass curve’:
1) Plot of accumulated rainfall with respect to two chronological orders
2) Plot for estimating multiple missing rainfall data
3) Plot for checking the consistency of the rainfall data
4) Plot of accumulated annual rainfall of a station vs. accumulated rainfall of the averages of a group of stations
Which of these statements are correct?

Question 4

A catchment may be idealised as a rectangle. There are three rain gauges located inside the catchment at arbitrary locations. The average precipitation over the catchment is estimated by two methods: (i) Arithmetic mean (PA) and (ii) Thiessen polygon (PT). Which of the following statements is correct?

Question 5

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

Question 6

Rainfall depth over a watershed is monitored through six number of well distributed rain gauges. Gauged data are given below:

The Thiessen mean value (in mm, up to one decimal place) of the rainfall is ____________

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Jul 1ESE & GATE CE