ESE(IES) 2016- Water Resources Engineering Test

Question 1

During a particular stage of the growth of a crop consumptive use of water is 2-8 mm/day. If the amount of water available in the soil is 25% of 80mm depth of water, what is the frequency of irrigation?

Question 2

The maximum height of a low gravity dam of elementary profile made of concrete of relative density 2.5 and safe allowable stress of foundation material 3.87 MPa without considering uplift force is about

Question 3

Consider the following statements related to undersluices provided in diversion weirs on permeable foundation :
1). They are fully gate-controlled and have crest at the same level as the weir crest when no silt excluders are provided.
2). They scour the silt deposited on the river bed in the pockets upstream of the canal head regulator.
3). It is not necessary to provide end pile on the downstream end of the undersluice floor.
4). The discharge capacity of the undersluice is 10-15% of the maximum flood or two times the maximum discharge of the offtaking canal or maximum winter discharge, whichever is the highest.
Which of these statements is/are correct?

Question 4

Consider a wide rigid-boundary canal with bed slope of 0.004, Manning‘s p = 0.18 and depth of flow 0.88m. the average boundary shear str

Question 5

A discharge of 72 m3/s is to be allowed through siphon spillways of 2m width and 75 cm depth with working head of 8m. The number of spillways to be provided will be (Take coefficient of discharge for the spillways = 0.64)

Question 6

What is the critical combination of vertical and horizontal earthquake accelerations to be considered for checking the stability of a gravity dam in reservoir full condition?

Question 7

Which type of fall can be generally used for a moderate discharge of 40-60 cumecs and low fall heights of 1 to 1.5 m?

Question 8

What are the recommended setting options of an adjustable proportional module worked with an open flume type outlet?
1). 3/10
2). 9/10
3). ½
4). 5/3
Select the correct answer using the codes given below:

Question 9

The flip bucket energy dissipater for a spillways is suitable where:
1). The tail water depth is low.
2). The rock on the downstream is fragile and is erodible
3). The rock on the downstream is good and non-erodible.

Question 10

Consider the following statements:
Irrigation water has to be supplied to the crops when the moisture level falls
1). below field level capacity
2). to wilting point
3). below wilting point
Which of these statements is/are correct?

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