Download AKTU B-Tech 5th Sem 2016-2017 Environmental Engineering I Nce 503 Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 5th Semester (Fifth Semester) 2016-2017 Environmental Engineering I Nce 503 Question Paper

Printed Pages: 4 ' NCE-503
F??lowih}; Papefiri?vgliii Roll No. to he filled in your
Answe?r Books)
B.TECH
Regular Theory Examination (Odd Sem - V), 2016-17
ENVIRONMENTAL ENGINEERING - I
T ime : 3 Hours Max. Marks : 100
Note : i) Attempt all questions. ?
ii) Marks are indicated against each question.
iii) Assume any data suitably, if required.
1. Attempt all parts. Each part carries etjual marks.
? (10X2=20)
a) What are the in?ltration galleries?
b) What is the domestic water demand?
c) What is the per capita demand?
d) De?ne the pipe materials.
e) Give the name of different types of sewer.
f) What is the function of drop main hole?
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g)
h)
i)
j)
Attempt any ?ve questions
a)
b)
NCE-503
What is the acid rain? What are the cause of the
acid rain? '
What are the various plumbing system?
De?ne the waste water.
De?ne the gravity conduits.
(5 X 10:50)
Explain the following j oints used in water supply
pipes with neat sketches.
i) Socket & spigotjoint.
ii) Expansionjoints.
Discuss various classi?cations of cement concrete
pipe as per IS-458?2003. Also give suitability of
each class of pipes.
Find the diameter of a 900 m long equivalent pipe
(CHW = 100) to replace the series-parallel system
shown in ?g.2. The length and diameter and CW
coef?cients are as follows :
2
1 ?
l
5.1
f ,
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d)
g)
h)
NCE-503
Pipe?1?300m, 250mm, 120
Pipe-2-400m, 300mm, 130
Pipe-3-200m, 200mm, 100
Pipe-4-500m, 400mm, 130
Pipe?5?300m, 250mm, 80
Discuss the method of balancing heads and
balancing ?ows in hardy cross method ofanalysis
of pipe network. Explain each method with example.
Explain water hammer and its control measures.
With diagram explain brie?y Logistic Curves.
What is the importance of ventilation in sewers?
How is it provided in sewer line? -
Discuss the various methods for laying a water
distribution network.
3. Attempt any two parts of the following (2X15=30)
3)
b)
What do you mean by air pollution? List out the
pollutants causing air pollution and their sources
of origin.
What is to be Supplied to a towri of 2 lakh population
from a source 1.5 km away? ?The per capital demand
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NCE-503
of town in 200 lpcd?. If town is situated at a higher
level than the source ahd the difference in elevation
b/w the lowest water in the source to the point of
inlet at the water works is 27m. Determine the size
of therising main and HP. of the pump. The valve
ofCH = 110 and the pump works for 18 hours.
0) What do you undefstand by f?storm regulators??
Explain with neat sketches, the working of different
type of storm regulators.
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