IES/ESE Paper (Civil) Mains Paper - I - 2024 | GATE, ISRO & IES/ESE Previous Year Solved Papers - Mechanical Engineering PDF Download

 Page 1


Q1. (a)
(c)
(d)
(b)
SGSE-0-CVL
(i)
(i)
Describe how
stones
are preserved.
SECTION
A
What
are
the
advantages and
disadvantages
of fibre
reinforoed
concrete
?
A factory shed of size 40
m
x
18
m
is
to
be constructed
at New Delhi ritl,
roof trusses.
Calculate the nodal wind force
on a
roof
truss of
span
18
m
and central rise of
3
m.
The spacing ofroof truss is 4
m,
basic wind speed
=
50 m/s, K,
=
1, Ky
=
09
(up
to 10
m
ht and
category-I1),
K
=
1,
K
=
1,
K
=
09, K,
=
0-9,
K
=
0:9. For wind angle
0°,
take
Cpe
= -
12
(windward side), Cpe
=-0-4
(leeward side). Assume wall opening
is
less
than
5%.
Purlins
are
located at the node points. Show
the
forces in
a
sketch oftruss for
wind angle 0° only.
X
10-8
m
3
m
6
m
A
simply
supported
prestressed
concrete
beam of
span
12
m
and size
300
x
700
mm
carries uniformly
distributed load of
20 kN/m. Suggest
suitable cable profile
and the prestressing force
so
that
no
tension is
developed in the beam. Assume density of
concrete to
be 24
kN/m$
Maximum eccentricity for
the
cable
to be provided is 200
mm.
A
metallic rod 6-25
m
long and
35
mm
in diameter is subjected
to
an
axial tensile load of 65 kN. Determine the change in dimension and
volume of the
rod.
Assume modulus of elasticity of
metal,
as
E=2-10
x
105
Nmm and
Poisson's
ratio
=
0-26.
6
12
12
UPSC ESE Mains 2024 Civil Engineering Question Paper 23 June 2024
Page 2


Q1. (a)
(c)
(d)
(b)
SGSE-0-CVL
(i)
(i)
Describe how
stones
are preserved.
SECTION
A
What
are
the
advantages and
disadvantages
of fibre
reinforoed
concrete
?
A factory shed of size 40
m
x
18
m
is
to
be constructed
at New Delhi ritl,
roof trusses.
Calculate the nodal wind force
on a
roof
truss of
span
18
m
and central rise of
3
m.
The spacing ofroof truss is 4
m,
basic wind speed
=
50 m/s, K,
=
1, Ky
=
09
(up
to 10
m
ht and
category-I1),
K
=
1,
K
=
1,
K
=
09, K,
=
0-9,
K
=
0:9. For wind angle
0°,
take
Cpe
= -
12
(windward side), Cpe
=-0-4
(leeward side). Assume wall opening
is
less
than
5%.
Purlins
are
located at the node points. Show
the
forces in
a
sketch oftruss for
wind angle 0° only.
X
10-8
m
3
m
6
m
A
simply
supported
prestressed
concrete
beam of
span
12
m
and size
300
x
700
mm
carries uniformly
distributed load of
20 kN/m. Suggest
suitable cable profile
and the prestressing force
so
that
no
tension is
developed in the beam. Assume density of
concrete to
be 24
kN/m$
Maximum eccentricity for
the
cable
to be provided is 200
mm.
A
metallic rod 6-25
m
long and
35
mm
in diameter is subjected
to
an
axial tensile load of 65 kN. Determine the change in dimension and
volume of the
rod.
Assume modulus of elasticity of
metal,
as
E=2-10
x
105
Nmm and
Poisson's
ratio
=
0-26.
6
12
12
UPSC ESE Mains 2024 Civil Engineering Question Paper 23 June 2024
(e)
Q2.
(a)
(b)
(c)
SGSE-0-CVL
(i)
(ii)
Explain the split tensile
test of
concrete. How is
it
related
to
compressive strength and flexure strength of
concrete ?
What
are
the effects of air-entraining admixtures
on
the
properties of
concrete
?
A
circular hollow section of outside diameter
101-6
mm
and thickness
4-05
mm
is connected
to
a
plate
of
thickness
16
mm as
shown in the
figure, by welding of weld size 4
mm.
Determine the maximum load
P
that
can
be applied for
the
weld. The hollow section is safe. Assume shop
weld
to
be made. Apply limit
state method. Assume E 250 grade of steel.
Given
f,
=
J,
+3
q. Assume partial load factor
as
15.
(i)
2
m
PLAN
P
CHS
0-5
m
4.mm
weld
101-6
mm
3
View A
-A
Discuss the mechanisms
that
are
used
to
enhance the performance
characteristics of the
concrete.
16
mm
plate
Two rectangular plates,
one
of steel
and another
of brass,
each
50
mm
wide and
8
mm
deep
are
placed together
to
form
a
beam
50
mm
wide and
16
mm
deep,
on
two supports (simply supported)
1
m
apart, the brass plate being
on
the
top.
Determine the
maximum
load which
can
be applied at the
centre of the
beam, if
the plates
are separate and
can
bend
independently.
Maximum
allowable
stress in steel=
120 N/mm and in brass
=
80 Nmm2.
Take E. =2x 10
Nmm
and
E,
=
8
x
104 Nmm2.
6
20
20
6
10
Page 3


Q1. (a)
(c)
(d)
(b)
SGSE-0-CVL
(i)
(i)
Describe how
stones
are preserved.
SECTION
A
What
are
the
advantages and
disadvantages
of fibre
reinforoed
concrete
?
A factory shed of size 40
m
x
18
m
is
to
be constructed
at New Delhi ritl,
roof trusses.
Calculate the nodal wind force
on a
roof
truss of
span
18
m
and central rise of
3
m.
The spacing ofroof truss is 4
m,
basic wind speed
=
50 m/s, K,
=
1, Ky
=
09
(up
to 10
m
ht and
category-I1),
K
=
1,
K
=
1,
K
=
09, K,
=
0-9,
K
=
0:9. For wind angle
0°,
take
Cpe
= -
12
(windward side), Cpe
=-0-4
(leeward side). Assume wall opening
is
less
than
5%.
Purlins
are
located at the node points. Show
the
forces in
a
sketch oftruss for
wind angle 0° only.
X
10-8
m
3
m
6
m
A
simply
supported
prestressed
concrete
beam of
span
12
m
and size
300
x
700
mm
carries uniformly
distributed load of
20 kN/m. Suggest
suitable cable profile
and the prestressing force
so
that
no
tension is
developed in the beam. Assume density of
concrete to
be 24
kN/m$
Maximum eccentricity for
the
cable
to be provided is 200
mm.
A
metallic rod 6-25
m
long and
35
mm
in diameter is subjected
to
an
axial tensile load of 65 kN. Determine the change in dimension and
volume of the
rod.
Assume modulus of elasticity of
metal,
as
E=2-10
x
105
Nmm and
Poisson's
ratio
=
0-26.
6
12
12
UPSC ESE Mains 2024 Civil Engineering Question Paper 23 June 2024
(e)
Q2.
(a)
(b)
(c)
SGSE-0-CVL
(i)
(ii)
Explain the split tensile
test of
concrete. How is
it
related
to
compressive strength and flexure strength of
concrete ?
What
are
the effects of air-entraining admixtures
on
the
properties of
concrete
?
A
circular hollow section of outside diameter
101-6
mm
and thickness
4-05
mm
is connected
to
a
plate
of
thickness
16
mm as
shown in the
figure, by welding of weld size 4
mm.
Determine the maximum load
P
that
can
be applied for
the
weld. The hollow section is safe. Assume shop
weld
to
be made. Apply limit
state method. Assume E 250 grade of steel.
Given
f,
=
J,
+3
q. Assume partial load factor
as
15.
(i)
2
m
PLAN
P
CHS
0-5
m
4.mm
weld
101-6
mm
3
View A
-A
Discuss the mechanisms
that
are
used
to
enhance the performance
characteristics of the
concrete.
16
mm
plate
Two rectangular plates,
one
of steel
and another
of brass,
each
50
mm
wide and
8
mm
deep
are
placed together
to
form
a
beam
50
mm
wide and
16
mm
deep,
on
two supports (simply supported)
1
m
apart, the brass plate being
on
the
top.
Determine the
maximum
load which
can
be applied at the
centre of the
beam, if
the plates
are separate and
can
bend
independently.
Maximum
allowable
stress in steel=
120 N/mm and in brass
=
80 Nmm2.
Take E. =2x 10
Nmm
and
E,
=
8
x
104 Nmm2.
6
20
20
6
10
Q3.
(a)
(b)
(ii)
(1)
For the cantilever beam shown in the
figure
with the
co-ordimates,
obtain the stiffness
matriX.
Take
EI
to
be
constant.
Hence,
find
the
flexibility matrix using their relationship.
What is quality management
system
in
concrete
construction ?
What
is
cement
grout ?
How
does
it differ
from cement
mortar ?
Design a
reinforced concrete
isolated
square
footing
for
a
column
of
size
500
mm x
500
mm
subjected
to an
axial
load of 1500
kN
under
dead
and
live load
condition.
The safe
bearing
capacity
of
the soil
is 120
kN/m².
Apply
limit state
method
of design
and
use
M25
and Fe500.
Assume
uniform
thickness of.footing as
600
mm.
Nominal
cover =
50
mm.
No
pedestal
is
to
be provided.
Given
:.
(ii)
100
Ast
ba
N/mm2
s0:15 0-25
0-29
0-36
10
m
Use
table 3
of
SP
–16.
0-50
0-75
1·00
1·25
1-50
0•49
0-57
0-64
0-70
0-74
1·75
0-78
Show
reinforcement
details.
The column
is reinforced
with 8
nos. of
20
bars.
10
10
20
Page 4


Q1. (a)
(c)
(d)
(b)
SGSE-0-CVL
(i)
(i)
Describe how
stones
are preserved.
SECTION
A
What
are
the
advantages and
disadvantages
of fibre
reinforoed
concrete
?
A factory shed of size 40
m
x
18
m
is
to
be constructed
at New Delhi ritl,
roof trusses.
Calculate the nodal wind force
on a
roof
truss of
span
18
m
and central rise of
3
m.
The spacing ofroof truss is 4
m,
basic wind speed
=
50 m/s, K,
=
1, Ky
=
09
(up
to 10
m
ht and
category-I1),
K
=
1,
K
=
1,
K
=
09, K,
=
0-9,
K
=
0:9. For wind angle
0°,
take
Cpe
= -
12
(windward side), Cpe
=-0-4
(leeward side). Assume wall opening
is
less
than
5%.
Purlins
are
located at the node points. Show
the
forces in
a
sketch oftruss for
wind angle 0° only.
X
10-8
m
3
m
6
m
A
simply
supported
prestressed
concrete
beam of
span
12
m
and size
300
x
700
mm
carries uniformly
distributed load of
20 kN/m. Suggest
suitable cable profile
and the prestressing force
so
that
no
tension is
developed in the beam. Assume density of
concrete to
be 24
kN/m$
Maximum eccentricity for
the
cable
to be provided is 200
mm.
A
metallic rod 6-25
m
long and
35
mm
in diameter is subjected
to
an
axial tensile load of 65 kN. Determine the change in dimension and
volume of the
rod.
Assume modulus of elasticity of
metal,
as
E=2-10
x
105
Nmm and
Poisson's
ratio
=
0-26.
6
12
12
UPSC ESE Mains 2024 Civil Engineering Question Paper 23 June 2024
(e)
Q2.
(a)
(b)
(c)
SGSE-0-CVL
(i)
(ii)
Explain the split tensile
test of
concrete. How is
it
related
to
compressive strength and flexure strength of
concrete ?
What
are
the effects of air-entraining admixtures
on
the
properties of
concrete
?
A
circular hollow section of outside diameter
101-6
mm
and thickness
4-05
mm
is connected
to
a
plate
of
thickness
16
mm as
shown in the
figure, by welding of weld size 4
mm.
Determine the maximum load
P
that
can
be applied for
the
weld. The hollow section is safe. Assume shop
weld
to
be made. Apply limit
state method. Assume E 250 grade of steel.
Given
f,
=
J,
+3
q. Assume partial load factor
as
15.
(i)
2
m
PLAN
P
CHS
0-5
m
4.mm
weld
101-6
mm
3
View A
-A
Discuss the mechanisms
that
are
used
to
enhance the performance
characteristics of the
concrete.
16
mm
plate
Two rectangular plates,
one
of steel
and another
of brass,
each
50
mm
wide and
8
mm
deep
are
placed together
to
form
a
beam
50
mm
wide and
16
mm
deep,
on
two supports (simply supported)
1
m
apart, the brass plate being
on
the
top.
Determine the
maximum
load which
can
be applied at the
centre of the
beam, if
the plates
are separate and
can
bend
independently.
Maximum
allowable
stress in steel=
120 N/mm and in brass
=
80 Nmm2.
Take E. =2x 10
Nmm
and
E,
=
8
x
104 Nmm2.
6
20
20
6
10
Q3.
(a)
(b)
(ii)
(1)
For the cantilever beam shown in the
figure
with the
co-ordimates,
obtain the stiffness
matriX.
Take
EI
to
be
constant.
Hence,
find
the
flexibility matrix using their relationship.
What is quality management
system
in
concrete
construction ?
What
is
cement
grout ?
How
does
it differ
from cement
mortar ?
Design a
reinforced concrete
isolated
square
footing
for
a
column
of
size
500
mm x
500
mm
subjected
to an
axial
load of 1500
kN
under
dead
and
live load
condition.
The safe
bearing
capacity
of
the soil
is 120
kN/m².
Apply
limit state
method
of design
and
use
M25
and Fe500.
Assume
uniform
thickness of.footing as
600
mm.
Nominal
cover =
50
mm.
No
pedestal
is
to
be provided.
Given
:.
(ii)
100
Ast
ba
N/mm2
s0:15 0-25
0-29
0-36
10
m
Use
table 3
of
SP
–16.
0-50
0-75
1·00
1·25
1-50
0•49
0-57
0-64
0-70
0-74
1·75
0-78
Show
reinforcement
details.
The column
is reinforced
with 8
nos. of
20
bars.
10
10
20
TABLE 3
FLEXURE-- REINFORCEMENT PERCENTAGE,
p
FOR SINGLY
REINFoRCED SECTIONS
MJb,
SGSE-0-cyL
250
Nnm!
Nnm
NoTs-Blanks
indicate
inadmisible
reinforceoent
perceatago
(ee Tabie E)
le25
Nmmt
25
Page 5


Q1. (a)
(c)
(d)
(b)
SGSE-0-CVL
(i)
(i)
Describe how
stones
are preserved.
SECTION
A
What
are
the
advantages and
disadvantages
of fibre
reinforoed
concrete
?
A factory shed of size 40
m
x
18
m
is
to
be constructed
at New Delhi ritl,
roof trusses.
Calculate the nodal wind force
on a
roof
truss of
span
18
m
and central rise of
3
m.
The spacing ofroof truss is 4
m,
basic wind speed
=
50 m/s, K,
=
1, Ky
=
09
(up
to 10
m
ht and
category-I1),
K
=
1,
K
=
1,
K
=
09, K,
=
0-9,
K
=
0:9. For wind angle
0°,
take
Cpe
= -
12
(windward side), Cpe
=-0-4
(leeward side). Assume wall opening
is
less
than
5%.
Purlins
are
located at the node points. Show
the
forces in
a
sketch oftruss for
wind angle 0° only.
X
10-8
m
3
m
6
m
A
simply
supported
prestressed
concrete
beam of
span
12
m
and size
300
x
700
mm
carries uniformly
distributed load of
20 kN/m. Suggest
suitable cable profile
and the prestressing force
so
that
no
tension is
developed in the beam. Assume density of
concrete to
be 24
kN/m$
Maximum eccentricity for
the
cable
to be provided is 200
mm.
A
metallic rod 6-25
m
long and
35
mm
in diameter is subjected
to
an
axial tensile load of 65 kN. Determine the change in dimension and
volume of the
rod.
Assume modulus of elasticity of
metal,
as
E=2-10
x
105
Nmm and
Poisson's
ratio
=
0-26.
6
12
12
UPSC ESE Mains 2024 Civil Engineering Question Paper 23 June 2024
(e)
Q2.
(a)
(b)
(c)
SGSE-0-CVL
(i)
(ii)
Explain the split tensile
test of
concrete. How is
it
related
to
compressive strength and flexure strength of
concrete ?
What
are
the effects of air-entraining admixtures
on
the
properties of
concrete
?
A
circular hollow section of outside diameter
101-6
mm
and thickness
4-05
mm
is connected
to
a
plate
of
thickness
16
mm as
shown in the
figure, by welding of weld size 4
mm.
Determine the maximum load
P
that
can
be applied for
the
weld. The hollow section is safe. Assume shop
weld
to
be made. Apply limit
state method. Assume E 250 grade of steel.
Given
f,
=
J,
+3
q. Assume partial load factor
as
15.
(i)
2
m
PLAN
P
CHS
0-5
m
4.mm
weld
101-6
mm
3
View A
-A
Discuss the mechanisms
that
are
used
to
enhance the performance
characteristics of the
concrete.
16
mm
plate
Two rectangular plates,
one
of steel
and another
of brass,
each
50
mm
wide and
8
mm
deep
are
placed together
to
form
a
beam
50
mm
wide and
16
mm
deep,
on
two supports (simply supported)
1
m
apart, the brass plate being
on
the
top.
Determine the
maximum
load which
can
be applied at the
centre of the
beam, if
the plates
are separate and
can
bend
independently.
Maximum
allowable
stress in steel=
120 N/mm and in brass
=
80 Nmm2.
Take E. =2x 10
Nmm
and
E,
=
8
x
104 Nmm2.
6
20
20
6
10
Q3.
(a)
(b)
(ii)
(1)
For the cantilever beam shown in the
figure
with the
co-ordimates,
obtain the stiffness
matriX.
Take
EI
to
be
constant.
Hence,
find
the
flexibility matrix using their relationship.
What is quality management
system
in
concrete
construction ?
What
is
cement
grout ?
How
does
it differ
from cement
mortar ?
Design a
reinforced concrete
isolated
square
footing
for
a
column
of
size
500
mm x
500
mm
subjected
to an
axial
load of 1500
kN
under
dead
and
live load
condition.
The safe
bearing
capacity
of
the soil
is 120
kN/m².
Apply
limit state
method
of design
and
use
M25
and Fe500.
Assume
uniform
thickness of.footing as
600
mm.
Nominal
cover =
50
mm.
No
pedestal
is
to
be provided.
Given
:.
(ii)
100
Ast
ba
N/mm2
s0:15 0-25
0-29
0-36
10
m
Use
table 3
of
SP
–16.
0-50
0-75
1·00
1·25
1-50
0•49
0-57
0-64
0-70
0-74
1·75
0-78
Show
reinforcement
details.
The column
is reinforced
with 8
nos. of
20
bars.
10
10
20
TABLE 3
FLEXURE-- REINFORCEMENT PERCENTAGE,
p
FOR SINGLY
REINFoRCED SECTIONS
MJb,
SGSE-0-cyL
250
Nnm!
Nnm
NoTs-Blanks
indicate
inadmisible
reinforceoent
perceatago
(ee Tabie E)
le25
Nmmt
25
(c) (i)
(ii)
Q4.
(a)
(1)
SGSE0-CVL
Draw
the influence line diagram for reaction
R
for the
continuous beam shown in the figure at
1 m
interval. Assume
flexural rigidity is constant
throughout. Use Muller-Breslau
Principle.
A
H
EI
B
6000
mm
Draw the influence
line diagram for member
ID of the
truss
shown in the
figure. Assume
that the load
moves
along the
bottom
chord.
T
C
B
D
Damper
K
EI
5000
mm
5
m
F
5
m
A single storey
building
is idealised
as
a
rigid.
bar supported by
weightless
columns
as
shown
in
the figure.
For dynamic
response,
using
jack,
a
displacement
of
5
mm
of
the girder
was
observed
for
a
force
of 10
kN. After
instantaneous
release
of
this
initial
displacement,
the maximum
displacement
on
the return
swing
was
only
4
mn
and the period
of displacement
cycle
was
1·5
sec.
Find approximately,
the effective
weight of
the girder,
damping
factor
and damping
coefficient.
Displacement
5
m
-
Jacking force
10
10
12