Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech Civil Engineering (CE) 2020 March 4th Sem BTCE 405 Irrigation Engineering I Previous Question Paper
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(CE) (2012 to 2017) (Sem.?4)
IRRIGATION ENGINEERING-I
Subject Code : BTCE-405
M.Code : 56087
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.
SECTION-A
Q1. Answer briefly :
a) Define Intensity of Irrigation.
b) Give relationship between duty, delta and base period.
c) Differentiate between alluvial and non alluvial canals.
d) Name various types of canal lining.
e) What do you mean by Regime channel?
f) What are the causes of water-logging?
g) Differentiate between initial regime and final regime.
h) What are French drains?
i) What is a watershed canal and what are the advantages of such a canal?
j) What do you understand by safe yield of a Tubewell?
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1 | M - 5 6 0 8 7 ( S 2 ) - 2 2 6 3
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(CE) (2012 to 2017) (Sem.?4)
IRRIGATION ENGINEERING-I
Subject Code : BTCE-405
M.Code : 56087
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.
SECTION-A
Q1. Answer briefly :
a) Define Intensity of Irrigation.
b) Give relationship between duty, delta and base period.
c) Differentiate between alluvial and non alluvial canals.
d) Name various types of canal lining.
e) What do you mean by Regime channel?
f) What are the causes of water-logging?
g) Differentiate between initial regime and final regime.
h) What are French drains?
i) What is a watershed canal and what are the advantages of such a canal?
j) What do you understand by safe yield of a Tubewell?
2 | M - 5 6 0 8 7 ( S 2 ) - 2 2 6 3
SECTION-B
Q2. Derive Thiem?s formulae for unconfined aquifer.
Q3. What is meant by duty of water? Explain the influence of several factors which affect the
duty. What are the different ways in which duty can be expressed?
Q4. Explain different factors affecting water requirement by crops.
Q5. Assuming the side slope 1:1, find the bed width B and the depth (D) of flow of an
irrigation canal to carry an discharge of 21 m
3
/sec with a velocity of 0.75m/sec. Bed
slope is 1 in 5000 and value of chezy?s constant C = 42.
Q6. Discuss the factors affecting Seepage losses in irrigation channels. Also explain the two
conditions of seepage from irrigation channels.
SECTION-C
Q7. Describe briefly the necessity and importance of irrigation works in our country.
What are the different types of irrigation? Write brief notes on each of them.
Q8. a) What is a strainer and what are the qualities of a good strainer? Enumerate the
different types of strainers.
b) Design a lined canal to carry 100 cumec discharge with the following data :
i) Angle of repose of the soil = 45?
ii) Lacey?s silt factor = 1.2
iii) B/D ratio =3
iv) Value of N =0.018
Q9. What is tubewell irrigation? What are the various types of tubewells? Describe the widely
used type of a tubewell with a neat sketch.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 21 March 2020