Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 7th Semester (Seventh Semester) 2018-2019 NCE 702ECE 702 Water Resources Engineering Question Paper
Paperld: 100739 RollNo.| I I I I I I I I I I
B TECH
(SEM?V11)THEORY EXAMINATION 2018-19
WATER RESOURCES ENGINEERING
Tum: 3 Hours Total Marks: 100
Note: 1. Attempt a1) Sections. If require any missing data; then choose suitably.
SECTION A
I. Attempt all questions in brief. 2 x 10 = 20
What is meant by Border ?ooding?
De?ne Intensity of Irrigation.
Explain Lacey's silt factort
De?ne Leaching
What is meant by a ?Cross?Drainage Works"?
De?ne Time factor and Capacity factor.
Explain Base period and Crop petiodi
Write a short note 011 Canal siphon?
Write any two advantage of lining of canals.
What are the causes of ?ooding?
SECTION B
+--.=ruor~oc-? C!?
2. Attempt any three of the following: V 10 x 3: 30
a. What is the problem of water logging? What are the poor effects of water
logging? Describe some suitable: remedial measures against water logging ?in
brief
11 What is the concept of Unit. Hydrograph? Explain the various assumptions
involved in the theory of 11111t hydrograph In the following table the rainfall
Hour 0002040608101214 .
Total Discbaiwumg o a 10 16 28 42 60 80 ?
Hour , 16 18 20 22 242628 30
- Total DischagfgCumecL 110 100 90 80 68 56 45 35
Hour 32 34 36 38 49 42' 44
Total Dbcharge (Cumec) 2618 11 9 8 7 6
data at eveiy 2-hours interva1 are given; Construct the ordinate of unit
Hydrograph. ASSume the area of the basin ?i 25km?
List the various direct methods of mezgsufement of consumptive use of water.
How will you derive the synthetic unit hydrograph from a number of unit
hydrograph? Illustrate the method with suitable example in a tabular form
C. What ts an outlet? Write down the requirements that an outlet should ful F111
Distinguish c1ea1'1y between non-modular and semi?modular outlets with
smtable examples
9.0
, "?SECI?ION C
3. Attempt any one part of the following: 10 x l = 10
(a) What are the different components of hydrologic system? Describe in brief
\vith suitable examples.
(b) Design an irrigation channel in alluvial soil according to Lacey?s silt theory,
with the given following data :
Full supply discharge: 1.5 cumecs
Lacey?s silt factor: 110
Channel side stops: '/::1
1| >95 g Q
4.
Attempt any one part of the following: 10 x l = 10
(a)
Distinguish between ?ow inigation and ti? in'igat'ton The base period, duties at
the ?eld and area to be irrigated for various crops under a reservoir are given
below
Crop Base Duly at ?eld Area
Period (heetarcs/cumec) (hectares)
(dim)
Wheat 120 1800 2400
Rice 110 mm 3010
?ame 360 900 4890
Vegetables 130 750 1650
Find the capacity of the resavoir in hectares meter if the conveyance loss and
reservoir loss are 26% and 10%respeet1vely.
(b) What do you understand by consumptive use of water? What are the factors
affecting consumptive use of water?
Attempt any one part of the following: .. _ 10 x I - 10
(a) What is meant by water-logging? What ate?it? ?iii effects? Describe some anti-
watcr?logging measures with suitable skctehes, .-
(b) Design a concrete lined channel to ma discharge of 350 cumecs at a slope?
of 1 in 5000. The side slopes of theehanncl may be taken as 1.5: l. The value pf
n for lining is 0.014. Assume limiting velocity in the channel as 2m/sec1 \
Attempt any one part of the Touching: , 10x 1 = 10
(a) What are ?modules?? What are the requirements of a good module?? Describe
brie?y with neat _s_ket_ches the important types of modules and their suxtabililies
for a particular project
(b) Describe canal regulation works?. What are the di?erent types of canal
regulation Works prov1ded? What are the functions of a canal fall?
Attempt any one part of the following: _ 10 x 1 = 10
(a) Derive an expression for the con?ned aquifer. How can the expressibn be used
to evaluate the aquifer permeability? T
(b) What is meant by tube wells? What are?t?heir types? Describe the widely used
type of tube well w1th neat sketch? What are the approximate values of the
average yield and depth of such. a tube well?
? mag;
This post was last modified on 29 January 2020