ECE5O3

Printed Pages : 2 (Fottowing Paper ID and Roll No. to be filled in your Answer Book) Roll No. B.Tech.

(SEMESTER-V) THEORY EXAMINATION,

201 2-1 3

EN\IIRONMENTAT ENGINBERING _ I Time: 2 Hours

l

I Section

l.

-A

Attempt all question parts. Each question carries equal

(a) (b) (c) (d) (e) (0 (g) (h) (il 0)

marks.

1

x

10

:

10

,

x5:

15

Mention the types of water demand. Name the different types of seasonal variations.

What is the formula used for the firefighting dema.nd What is infitrtration gallery

?

?

Define pipe materials.

Write various types of conduits. Define Hardy cross rnethod. What is plumbing system Write tlpes of

?

sewers. ,,,

Define small bore sewer system.

Section .-

2.

Total Marks : 50

B

Attempt any three question parts. Each part carries equai

i

marks.

,

(a) (i) Explain the various factors affecting the per capita demand. (ii) Explain any two methods of forecasting the population of town. (b) Explain the classification of weLls. (c) Explain water connections, different cocks and pipe fitting. (d) Explain plumbing systems in buildings and houses. (e) Briefly explain layout and construction of sewer lines. 1 zl32

P'T'O'

-

Section

C

3x5:Zl

Attempt all questions. Each question carries equal marks.

3.

Attempt any one part of the following (a)

:

ls as follows lation of a town as obtatned from the Census report is

P

Year

t94L

195

I

1961

t97t

Population (in thousands)

242

.242

770

1090

Estimate the population of the town in the year 1981,

(1) (2) (3) (b) 4.

5.

6.

Geometrical increase method

lncremental increase method

Explain the need for protected water supply.

What are points should be kept in mind while selecting a site for intake structure

:

Explain water hammer and its control measures.

:

State and explain concept ofservice and balancing reservoirs.

Explain Newton-Raphson method and equivalent pipe method of pipe network

analysis. 7.

Attempt any one part of the following

(a) (b)

2132

?

Explain briefly about pressure and gravity distribution systems.

Attempt any one part of the following

(a) (b)

:

Explain any one of intake structure with neat sketch.

Attempt any one part of the following

(a) (b)

l99l & 2001 by

Arithmetic increase method

Atternpt any one part of the following

(a) O)

:

I

:

;

Explain the institutional and industrial waste water management. Explain collection and estimation of storm water by different formulae.