IAS Mains Civil Engineering 2014 question paper

7/23/2019 IAS Mains Civil Engineering 2014 question paper

1/20

( ~

~

t

~

f . l ' l ~ R l l o

f.mil


2/20

~

A

SE

CTION A

1

a) N:i 1(a) -q

1]1

( 200

m

m ' rfT

t

t ~

R WT

~ '


3/20

e) 40 em O ffi

il;

1 ;' i "m"J

i\

02 m

3

Is '10

WI

t

I "m" ~ -a

145

full

il;

llR1

s311 t I

"m"' il; ~

'fit

G1'l

400 kN

I

m

2

t I ' \

' ftulT'ft il; 'll\:lnu1

3ffi

f u m q ; ] ~ ~ l

A pipe of

40 em diameter

is carrying 02 m

3

Is water. The pipe is

bent

by

145 degrees from the

horizontal

counter-clockwise. The

pressure

of

water

flowing through the pipe

is

400 kN Im

2

Find

the magnitude and

direction of

the resultant

force

on

the bend.

2.

a)

m 2(a)

i\

TJ Q,

$1 i\

D ' \ ~ fa:a1


4/20

c)

I

a.

ra

J

I

~ l2Gl

i

t ~ Cu

=5

0

kN

/m

2

Yt =

18kN/m

3

it

~

m

l im t m ~ 1("'i

~

ltl

f


5/20

ii) 1 2 m ~ 3TR 250 mm 01ffil


6/20

~

B

S

ECT

ION

B

5.

a

)

~

5

(a)i

~

~

~

(

~ ) i

i i ~

'R

~

i '1ffi 31 \

1:

~

q;r

f.r lR

ul

~

D

eterm

ine

th

e

fo rc

esandthe

ir

natu

re in

the

m

em

bers

me

etin

g at

join

t of th

e

trus

s

sho

wn

in

F

ig .

5( a).

1

0

32

kN

~

/ F i g

.

5

(a)

b

) 1 B

ifur

l : S ) 1

Gf

~

i Offi

4

0 31 \

1: 1G

f

f

illii

I T

fo fu

f.

W .f

2

7

3Bili

ftRn

~

m ~

Bifur

31\1:

1WI

>m

q;r

~

~

Asa t

urate

d s

o i l samp

le

has

wate

r

co

nten

t

of 4

0

and

sp

ec if i

c grav

ity of

s

o il

gra

ins is

2 7

. Dete

rmin

e

it s

vo

id r a

tio , p

o ros

i ty , sat

urate

d

and dry

un

it

w e ig

h t .

10

c

)

1

t f

I

T 1W1

i

lff

i =

15 kN

jm

3

31 \1:

m ~

=

4

5

W

l'lf(]

I T

f.

r lRuJ

~

A s

andd

epos

it

ha

s

d

ry

u

nit wei

ght=

1 5

kNj

m

3

and

po

rosi

ty=

45

.

De

term

ine

c

r i t ic

a l

hy

drau

lic

gr

adien

t.

d)

Jffir

; g

'li

\

-

.ro

oR

~

~

D is

cha r

geth r

ough

an

ori f

ic e

depe

nds on

hea

dH

acce

lerat

ion d

ue

to g

ravity

g,

m

ass

den

sity p,

diam

eter

of o

ri fic e

d

and

v

iscos

ityJ.L

M a

ke

o

ut

a d

imen

sion

al

analysis

using Buckinghams

pi theorem

and

show

that

Q

=t pH

..f9F

i ~

H

S/2

1

12

1 1

'

H

U se p

, a

nd g

as

the

re

peat

ing va

riab

les .

*

**

20

9

5BS

-320

www.examrace.co


10/20


11/20

S

E

C

T

IO

N

A

Q

.

1

(a

)

~

fi

~

fi1

O

R

R

~

I

S

:

4

5

6-

20

0

0 i

t

'f

l: T

'

lT"

f'1

i

~

~

~

?

~

ft

tc

t'

hl

1

~

ft%

P

fiT

iff i

60.00 m

11:

~ ~

'TI'ft fi

f.riflm

i f> T

G1:

PI

~ ~

Q = 15 H3i

2

6RT

GWn iifT tfif\CI1

. ~ H 11: 'TI'ft

i f> T

m l

~ ~

m

~

~

~ ~ (s+

0

~ ~ t )

T.fill 9 f f i 4 ~ d ~ ~ ~ t ' P T

lWf

6 l t ~ I

A Small Reservoir has the following Storage-Elevation relationship :

Elevation m) 55.00 58.00 60.00 61.00 62.00 63.00

Storage (1

0

3

X

m

3

)

250 650

1000 1250 1500 1800

A spillway provided with its crest at elevation 60.00 m has the discharge relationship as

Q

=

15

1

2

where

H

is the head of water over the spillway crest. Develop an Elevation

vis

Storage S

+ ~ ~ t )

relationship to be

used

for Reservoir Routing. Take

At= 6

Hrs.

15

www.examrace.co


18/20

Q. 6 b) ~

'1rft

t 11iTT' ~

3lT'

'fliT ?

w

mr

mo

u

rr Wfiill

?

"9

:' ' ~ if>'t

"''H

I\"41

9Rt'

T

3

0

" f

t.,

9

1ft

.

~ ~

m

"W

I

'

~

if>

'T

4 "

ft.

~

1

t

q;

i

f

3

lf

.t crf

fi

~

if>

'T

m

3.5

M

L

D ~

I

if

>'T

13

0

m

g

l ~

~

m

rg

s

f

fis

if>'T

m

15

0

m

g

ll

I

~

C[

f(f'f

i

i

f

M

L

SS

if>'T

m

s:-

m

1

8

00

m

g

l

m

i)

~

k

g/

Ha

-m

if

i

i)

F

M

3

1,t

m

f

iii

)

C[

f( f'

f '

liT

f

iv

)

3

ll J

;

m

o

~

An

A

c

tiv

a

ted

Sl

ud

ge

T

a

nk

is

30

m

lon

g

, 9

m

w

id

e

an

d

ha

s

li

qu

id

d

ep

th

of

4

m.

T

h

e

i

nfl

ue

n

t s

ew

a

ge

f

lo

w

ra

te

is

3

.5

M

L

D

.

Th

e

pr

im

a

ry

ef

fi

ue

nt

h

as

B

O

Do

f

13

0

m

g

l a

nd

su

sp

e

nd

ed

lo

ad

of

15

m

g

ll

T

he

M

LS

S

c

o

nc

en

tr

a t

io

n

i

n th

e

Ae

ra

ti

on

Ta

nk

is

18

00

mg

/1

. C

a

lcu

la

te

:

i

)

B

O

D

L

oa

di

ng

in

kg

/H

a

-m

i

i)

F

/M

Ra

ti

o

i

ii)

A

er

at

io

n

Pe

ri

od

iv

)

S

lu

dg

e

2

0

Q.

8

c

)

'FT

q

ltf

{U

I ~

;J

f

l

f

t f

t

~

'FT

q

uf

f

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Documents

IAS Mains Civil Engineering 2014 question paper