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Level 11111
1. A rectangular beam of length I supported at its two ends carries a central
concentrated load W at its centre. The maximum deflection occurs
at the ends
at 1/3 from both ends
at the mid span
at 1/4 from both ends
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2. If the depth is kept constant for beam of uniform strength then its width
will vary proportional to
M
Sqrt(M)
M^2
M^3
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3. When a beam deflects into a uniform strength then its width will vary
proportional to
I/2R
I/8R
I^2 /8R
I^2 /2d
Click here for answer
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4. The longitudinal stress in a thin cylindrical shell is
Pd/4t
Pd/2t
Pt/4d
Pt/2d
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5. The ratio of maximum shear stress and average shear stress for a
rectangular section is
1.5
2
2.5
3
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6. A fixed beam of span L carries a central point load W. The maximum
sagging bending moment in the beam is
WL/2
WL/4
WL/8
WL/16
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7. Air entrainment in the concrete increases
workability
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strength
the effects of temperature
the unit weight
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8. The relation between modulus of rupture Fcr and characteristic strength of
concrete Fck is given by
Fcr = 0.35 S Fck
Fcr = 0.5 S Fck
Fcr = 0.7 S Fck
Fcr = 1.2 S Fck
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9. The compressive strength of 100 mm cube as compared to 150 mm cube is
always
less
more
equal
may be any of the above
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10. For a slab supported on its four edges with corners held down and loadeduniformly, the Marcus correction factor to the moments obtained by Grashoff
Rankine's theory
is always less than 1
is always greater than 1
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can be more than 1
can be less than 1
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11. For bars in tension a standard hook has an anchorage value equivalent to
a strength length of
8
12
16
24
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12. Cube strength of controlled concrete to be used for pre-tensioned and
post-tensioned work respectively should not be less than
350 Kg/cm^2 and 420 Kg/cm^2
420 Kg/cm^2 and 530 Kg/cm^2
420 Kg/cm^2 and 350 Kg/cm^2
530 Kg/cm^2 and 420 Kg/cm^2
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13. The creep strains are
caused due to dead loads only
caused due to live loads only
caused due to both dead and live load
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independent of loads
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14. Ratio of compressive strength to tensile strength of concrete
increases with age
decreases with age
remains constant
none of the above
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15. In limit state design of concrete for flexure, the area of stress block is
taken as
0.36 Fck Xu
0.42 Fck Xu
0.446 Fck Xu
0.53 Fck Xu
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16. The fitness modulus of the fine aggregate is in the range of
2.0 to 3.5
3.5 to 5.0
5.0 to 7.0
6.0 to 8.5
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17. According to IS:456-1978, the maximum reinforcement in a column is
2%
4%
6%
8%
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18. The minimum cover in a slab should neither be less than the diameter of
bar nor less than
10 mm
15 mm
20 mm
13 mm
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19. If the permissible stress in steel in tension is 140 N/mm^2, Permissible
stress in concrete in bending compression is 5N / mm^2. Then the depth of
neutral axis for a singly reinforced rectangular balanced section will be
0.35 d
0.40 d
0.45 d
dependent on grade of concrete also
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20. The slab is designed as one way if the ratio of long span to short span
is
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less than 1
between 1 and 1.5
between 1.5 and 1.2
greater than 2
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21. In any beam when the moment of inertia about the neutral axis is
doubled, its deflection is
doubled
tripled
halved
minimum
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22. The limits of percentage of the longitudinal reinforcement in a column is
given by
0.15% to 2%
0.8% to 4%
0.8% to 6%
0.8% to 8%
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23. A rigid prop provided for a beam
brings the bending for a beam
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brings the deflection at the prop to zero
brings the slopes at the section to zero
brings the shear force at the section to zero
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24. In a simply supported beam AB with a concentrated load W at a distance
'a' from support A and 'b' from support B, the deflection under the load is
wa^2 b^2 / 3EIL
wa^2 / 3EI
wa^2 b^2 /3EI
wa^2 b + 2/EIL
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25. For the design of retaining walls the minimum factor of safety against
over-turning is taken as
1.5
2.0
2.5
3.0
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26. A cantilever beam is loaded by a point load at the free end. It is likely to
fail by B.M.
under the load
at mid span
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at support
none
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27. The distance between centre lines of a broad gauge is 1.686m. The most
economic length of sleeper for efficient distribution of B.M. is
1.866 m
2.866 m
3.866 m
0.866 m
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28. In a simply supported beam of span L carrying an eccentric couple M
acting at a distance A from the left support, the reaction included at the
support is
M/L
L/M
ML
1/ML
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29. Area of shear force diagram between two sections is
70 KNm
140 KNm
280 KNm
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can not be found
Click here for answer
30. The section modulus of square section of side A is
a^2 /6
a^3 /6
a^4 /12
a^3 /12
Click here for answer
31. The minimum percentage of mild steel reinforcement in walls of RCC
water tanks of 450 mm thick is about
0.20
0.30
0.24
0.16
Click here for answer
Level 2222
1. A beam of span L m is simply supported at the ends. It is loaded by two
equal clockwise moments at the supports. Point of contra flexure acts at
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0.25 m from left support
0.25 m from right support
At mid span
none of these
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2. The ratio of flexibility of loose beams (b x d) places one over the other to
the flexibility of one integral beam (nb x d) is
h^2
1/h^2
1
h^3
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3. The earth pressure at a depth d is P the earth pressure at depth d/2 is
P
4P
0.5P
0.25P
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4. A reinforced concrete column is considered as a short column, if its
slenderness ratio L/bn is less than
20
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18
15
12
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5. A common footing provided for two columns is called a
mat foundation
raft foundation
combined footing
common foundation
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6. For reinforced concrete (M15) members immersed in sea water the cover
shall be
Same as in the usual case
25 mm more than the cover in the usual cases
40 mm more than the cover in the usual cases
50 mm more than the cover in the usual cases
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7. The modulus of elasticity of steel is
150 KN/mm^2
200 KN/mm^2
250 KN/mm^2
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275 KN/mm^2
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8. The number of rivets for connecting a strut to a gusset plate shall not be
less than
2
3
4
5
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9. The inclination of a lacing bar with the axis of the compression member
shall not exceed
60
70
45
30
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10. For unstiffened webs of girders, the thickness of web shall not be less
than
D1/50
D1/85
D1/100
D1/150
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Click here for answer
11. Spacing of vertical stiffeners in a girder shall not be less than
0.50d
0.40d
0.33d
0.25d
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12. The maximum bending moment for a purling may be taken as
WL/10
WL/8
WL/12
WL/15
Click here for answer
13. If the foundations of all the columns of a structure are designed on the
total live and dead load basis, then
there will be no settlement of columns
there will be no differential settlements
the settlement of exterior columns will be more than interior columns
the settlement of interior columns will be more than exterior columns
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14. To minimize the effect of differential settlement, the area of footing
should be designed for
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dead load only
dead load + live load
dead load + fraction of live load
live load + fraction of dead load
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15. A reduction factor Cr, load carrying capacity of a long columns is given
by
Cr = 1.25 - Le/24b
Cr = 1 - Le/48b
Cr = 1.25 - Le/48b
Cr = 1.5 - Le/48b
Click here for answer
16. Normally pre-stressing wires are arranged in the
upper part of the beam
lower part of the beam
centre
anywhere
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17. The shear stress intensity changes from the centre to the surface of the
shaft with
uniform rate
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varying rate
remains same
all the above
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18. The formula T/J = NO/L = fs/r when applied to torsion of closely coiled
helical spring, the value of J will be calculated with
mean diameter of the coil D
the diameter of wire of spring
mean of D and d
(2D + d)3
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19. The shear stress intensity is minimum at
axis of shaft
surface of the shaft
any inside layer of shaft
all the above
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20. A steel member which is subjected to primary tension is called
Tie
Tie or beam
Strut
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Sling
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21. Sliding failure occurs in a solid gravity dam when
Resultant of all forces cuts the base of the dam outside
Resultant of all force cuts the base of the inner middle third point
Ratio of overturning moments exceeds one
Shear friction factor is less than 1.5
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22. Mean velocity of flow in a river can be directly measured by means of
Boats
Dams
Surface floats
Rod floats
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23. The formula used to calculate maximum flood discharge for deccan
catchments is
Dicken's formula
Ryve's formula
Ali Nawab Jung Bahadur formula
Ingli's formula
Click here for answer
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24. Direct run off is the sum of
Surface run off and mass flow
Base flow and ground water run off
Deployed sub surface run off and deep percolation
Surface run off and interflow
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25. A fluid is a substance that
always expands until it fills any container
is parctically incompressible
cannot remain at rest under the action of a shear force
cannot be subjected to shear forces
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26. In Sutro weir the discharge is proportional to
H
H^1/2
H^3/2
H^5/2
Click here for answer
27. Which of the following has highest coefficient of discharge
Sharp edged orifice
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Venturimeter
Borda's mouth piece running free
Cippoletti weir
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28. ML^-1 T-2 is the dimension of
Force
Pressure
Energy
Power
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29. Cavitation is caused by
high velocity
low barometric pressure
low pressure
high pressure
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30. Number of rivets required in a joint is
load/shear strength of a rivet
load/bearing strength of a rivet
load/tearing strength of a rivet
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load/rivet value
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31. The point of contraflexure occurs in
cantilever beams only
continuous beams only
over hanging beams only
all types of beams
Click here for answer
Level-----3
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1. According to Unwin's formula, if t is thickness of the plate in mm, the
nominal diameter of the rivet is
d = 1.91 t
d = 1.91 t^2
d = 1.91 St
d = 1.91 St^3
Click here for answer
2. The slenderness ratio of a column is zero when its length
is zero
is equal to its radius of gyration
is supported on all sides throughout its length
is between the points of zero moments
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3. According to IS; 800-lacing bars resists transverse shear equal to
1.0% of the axial load
2.0% of the axial load
2.5% of the axial load
3.0% of the axial load
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4. When the length of tension member is too long
a wire is used
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a rod is used
a bar is used
a single angle is used
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5. A major beam on a building structure, is known as
a girder
a floor beam
a main beam
all the above
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6. For simply supported beams, the maximum permitted deflection is
1/325 of the span
1/350 of the span
1/375 of the span
1/400 of the span
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7. In case of cantilever beams the ratio of span to the depth should not
exceed
4
8
12
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16
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8. In a fillet weld placed on the sides of the base, the metal experiences
shear
tension
compression
all the above
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9. Steel is efficiently used in
under reinforced section
over reinforced section
under and over reinforced section
none of the above
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10. The maximum area of tension reinforcement in a beam is
4% of bD
4.5% of bD
5% of bD
5.5% of bD
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11. The large moment of resistance of T-beam section is due to
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width of rib
amount of steel
composite action between the flanges and the rib
depth of rib
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12. If in any given pane, one end of a column is unrestrained, its unsupported
length l, shall not exceed
100 b^2 /D
120 b^2 /D
125 b^2 /D
140 b^2 /D
Click here for answer
13. The diameter of lateral ties in a column shall not be less than
6 mm
5 mm
8 mm
10 mm
Click here for answer
14. The bending moment at a section of a beam is given by wx^3/6 then the
expression for the rate of loading is
wx^4 /24
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wx^2 /2
wx
w
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15. The torque produced in a circular shaft rotating at 100 r.p.m. to produce 1
h.p. is _____ Kgcm
716.2
816.2
916.2
616.2
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16. The weight of foundation may be assumed to be
15% of the column loads
20% of the column loads
25% of the column loads
10% of the column loads
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17. In a continuous footing the area of longitudinal reinforcement required in
the direction of wall is
0.3%
0.2%
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0.5%
0.4%
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18. The net upward pressure on footing p is given by
W + W1/W.q.
W.q./W + W1
W - W1/W.q.
W.q./W - W1
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19. Partial safety factor m for steel in limit state design is
0.5
1.0
1.5
1.15
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20. The design strength of materials Fs is given by
1.1 f/Rm
f/Rm
f
0.9f
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21. The pre-stressed concrete induces artificially _____ stress in a structure
before it is loaded
compressive
tensile
shear
bending
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22. According to IS code the total amount of shrinkage for a post tensioned
member is taken as
2 x 10^4 / log10 (T+2)
3 x 10^-4 / log10 (T+3)
3 x 10^-3 / log10 (T+3)
2 x 10^-3 / log10 (T+3)
Click here for answer
23. The state at which tendon force is released permanently on the concrete
is called
Transfer
Anchoring
Pre-tensioning
Post-tensioning
Click here for answer
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24. In a thin cylindrical shell if F1 is the hoop stress and F2 is the longitudinal
stress induced, maximum shear stress at any point of the material is given
by
F1 + F2 / 2
F1 - F2 / 2
F1F2 / 2
2F1 / F2
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25. A beam is fixed at one end and is supported at the other end to the level
of the fixed end by means of a rigid prop. At the propped end, for any appliedload
only flexural moment is zero
the flexural moment as well as deflection is zero
the slope as well as the deflection is zero
the slope as well as the flexural moment is zero
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26. The thickness of lacing bar used in steel ties should not be less than
6 mm
4.5 mm
B/40
L/40
Click here for answer
27. Mohr's theorem I gives _____ between two tangents on the elastic line of
beams
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Slope
Deflection
S.F.
B.M.
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28. IS code of practice for steel is
456
800
546
none
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29. Select cash/commercial crop from the following
Maize
Paddy
Cotton
Wheat
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30. Canal lining
Increases water logging area
Decreases water logging area
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Does not affect water logging area
Maintains constant water logging area
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31. The diameter of transverse reinforcement of columns should be equal to
1/4 of the diameter of the main steel rods but not less than
4 mm
5 mm
6 mm
7 mm
Click here for answer
Level 4444444
1. The world famous constant radius arch dam Hoover is in
Italy
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Russia
U.S.A
U.K.
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2. Presently percentage of area irrigated to that of total cultivated area is
80%
33%
27%
40%
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3. Duty of well water is more than canal water because
Conveyance losses in well irrigation are less
Well water is clear than canal water
Lifting of water increases cost of well water
Well water is used economically
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4. Weirs constructed on permeable foundation are likely to fail due to
Piping
Crushing
Sliding
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All the above
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5. Inlet and outlet are provided as cross drainage measure when the
discharge of the drain is
very high
high
medium
low
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6. The unit of hydraulic mean radius is
m^3
radians
m^2
m
Click here for answer
7. A water shed canal
irrigates only on one side
avoids the cross drainage works
is generally aligned parallel to the contours of the area
is most suitable in hilly areas
Click here for answer
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8. The meander pattern of a river is developed by
average discharge
dominant discharge
maximum discharge
critical discharge
Click here for answer
9. A unit hydrograph has one unit of
rainfall duration
rainfall excess
time base of direct runoff
discharge
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10. For a flood control reservoir, the effective storage is equal to
useful storage - valley storage
useful storage + surcharge storage
useful storage - surcharge storage
useful storage + surcharge storage - valley storage
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11. When the reservoir is full, the maximum compressive force in a gravity
dam is produced
at the toe
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at the heel
within the middle third of base
at centre of base
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12. When the fluid properties do not change with time, it is a _____ flow
steady
uniform
unsteady
non-uniform
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13. The coefficient of discharge for a convergent divergent mouth piece is
2/3
1/3
1/2
3/4
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14. A horizontal pipe of carrying liquid increases its diameter d1 to d2. The
pressure increase is maximum when d1 to d2 is
1/2
1/3
1/Sqrt(2)
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1/4
Click here for answer
15. Diameter of nozzle d for maximum power transmission is given as
d = (D^5 / 8fl)^1/4
d = (D^5 / 8fl)^1/5
d = (D^4 / 8fl)^1/5
d = (8fl/5)^1/4
Click here for answer
16. In a triangular notch an error of 1% in measuring head will produce
_____ error in discharge
1%
1.5%
2%
2.5%
Click here for answer
17. Aeration holes are provided
in a weit with end contraction
in a suppresses weir
in a cippoletti weir
in all weirs
Click here for answer
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18. The head of water supplied to a nozzle is 12 m. The loss of head due to
friction at at maximum power transmission is
3 m
4 m
1.2 m
6 m
Click here for answer
19. Weep holes are provided in canal lining to
improve strength of lining
give additional anchorage against sliding
provide water into branch canals
have drainage facility
Click here for answer
20. The flow in a river during floods may be classified as
laminar flow
streamline flow
irrotational flow
turbulent flow
Click here for answer
21. The first step in the operation of a centrifugal pump is
pumping
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straining
priming
none of these
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22. Developement of _____ in river meandering causes violent changes in
river
delta
critical velocity
cut off
turbulance
Click here for answer
23. An impermeable foundation which neither contains water nor transmits
any water is called
Aqueduct
Aquifer
Aquiclude
Confined aquifer
Click here for answer
24. The maximum quantity of water that can be guaranteed during a critical
dry period is known as _____ yield
critical
dry
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safe
all the above
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25. Rabi crops pertains to
throughtout the year
summer season
monsoon season
winter season
Click here for answer
26. The velocity measured at a depth of _____ gives the mean velocity using
the current meter
0.6 m
0.5 m
0.6 depth
0.5 depth
Click here for answer
27. When thickness of imprevious core in an earthen dam is less than _____
or less than the height of the dam, then the dam is known as diaphram type,
otherwise it would be zoned earth dam
3 m
5 m
10 m
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15 m
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28. Generally useful life of a reservoir is considered terminated when its
effective storages is reduced by _____ of the design capacity of thereservoir
100%
80%
50%
20%
Click here for answer
29. When the nappe of a spillway confirms to the profile of lower nappe
water, falling from a sharp rested weir, when it is called as
straight drop spillway
chute spillway
siphon spillway
ogee spillway
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30. The last length of the river before it falls into the sea is known as
mountainous stage
trough-stage
delta stage
sub-mountainous stage
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31. For a number of columns constructed in a row, the type of foundation
provided is
footing
raft
strap
strip
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Level 5555
1. The centre of pressure of a plane submerged area is
always below the centre of gravity of the are
coincident with centroid of area if its plane is vertical
always above the centroid of are
independent of the inclination of area
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2. The forces coming over the dam is mainly resisted by
water pressure
uplift pressure
self weight of the dam
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all the above
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3. The turbine in which the runner blades move and adjust themselves during
the operation of turbine is called _____ turbine
Francis
Kaplan
Modern Francis
All the above
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4. A centrifugal pump converts _____ energy into hydraulic energy
electrical
mechanical
kinetic
pressure
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5. Falling drops of rain acquire spherical shape on account of
viscosity
surface tension
vapour pressure
compressibility
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6. The vertical component of pressure force on a submerged curved surface is
equal to
Its horizontal component
the force on a horizontal projection of the curved surface
the weight of liquid vertically above the curved surface
the product of pressure at centroid and surface area
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7. Coefficient of resistance Cr for an orifice is equal to
(1 - Cv^2)
(1/Cv^2 - 1)
(1 / Cc^2 Cd^2)
(1 - Cd^2 Cv^2)
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8. A hydraulic jump is used for
increasing the depth of flow
reducing the energy of flow
decreasing the velocity of flow
reducing turbulence
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9. For laminar flow through a pipe, the energy correction factor is
1.03
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1.05
1.33
2.00
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10. The force required to act upon the jet of water to change the velocity
either in direction or in magnitude is called by
hydrostatic force
dynamic force
absolute force
power canal
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11. The canal through which water is led into mouth of the penstocks is
fore day
tail race
trash rack
power canal
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12. The device fitted to a reciprocating pump for smooth and uniform flow is
called
accelerator
impeller
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booster
air vessel
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13. Surge tank is provided to prevent the effect of
racing of turbine
pressure reaction
water hammer
spilling of water
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14. The minimum distance between centres of rivet holes should be
2.5 times the hole diameter
1.5 times the hole diameter
3 times of hole diameter
equal to the hole diameter
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15. In turbine governing system, the pump used is
centrifugal pump
reciprocating pump
gear pump
uplift pump
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16. Bombay harbour is an example of _____ harbour
artificial
natural
excavating
dreading
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17. The operation of removal of external material from the sea or river bed is
known as
digging
shoveling
excavating
dredging
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18. In case of an external mouth piece the pressures at vena contracta is
equal to
Ha - 0.98 H
Ha - 0.89 H
Ha - 0.77 H
Ha - 0.87 H
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19. If the Young's modulus of elasticity of a material is twice its modulus of
rigidity, then the poisson's ratio of the material is
-1
-0.5
0.5
0
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20. For an isotropic, homogeneous and elastic material obeying Hook's law,
number of independent elastic constants is
2
3
4
1
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21. If a material has identical properties in all directions, it is said to be
homogeneous
isotropic
elastic
orthotropic
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22. According to Unwin's formula, the diameter of rivet in mm to suit the t
mm thickness of plate is given by
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6t
6 Sqrt(t)
1.9 Sqrt(t)
1.5t + 4
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23. The sum of normal stresses is
constant
variable
dependent on the planes
none of the above
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24. A simply supported beam of length l carries a load varying uniformly from
zero at left end to maximum at right end. The maximum bending moment
occurs at a distance of
1/Sqrt(3) from left end
1/3 from left end
1/Sqrt(3) from right end
1/3 from right end
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25. Of the two prismatic beams of same material, length and flexural
strength, one is circular and other is square in cross-section, the ratio of
weights of circular and square beam is
1.118
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1.342
1.000
0.793
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26. For no torsion, the plane of bending should
be parallel to one of the principal axis
pass through shear centre of section
pass through neutral axis of the section
pass through centre of gravity of the section
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27. A beam of uniform strength has at every cross-section same
bending moment
bending stress
deflection
stiffness
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28. Effective length of a column fixed at one end hinged at the other end is
1/2
1/Sqrt(2)
2
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Sqrt(2)
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29. Soundness of cement is tested by
permeability
impact
Le chaterlier
Los angles
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30. During setting and hardening of concrete _____ is generated
Energy
Heat
Temperature
Radiation
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31. In a pre-stressed member it is advisable to use
low strength concrete only
high strength concrete only
low strength concrete but high tensile steel
high strength concrete and high tensile steel
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Level 66666
1. The depth of critical N.A. of the beam is
(m.d) / r
(m + r) / d
(m x d) / (m + r)
none of these
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2. Minimum spacing between horizontal parallel reinforcement of the same
size should not be less than _____ diameters
4
3
2
1
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3. The maximum span to depth ratio of a simply supported slab spanning in
both direction is _____
25
30
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35
50
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4. The purpose of ribbed slab is to provide
Thermal insulation
Acoustic insulation
A plain ceiling
All of the above
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5. In rectangular water tanks, maximum B.M. occurs when depth of water in
the tank is equal to _____ the length of short wall
1/4
1/2
3/4
1/5
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6. Rapid hardening cement is actually early _____ cement
setting
strength
hardening
curing
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7. The relation between tread I and rise R in cms is given by
4 + 2t = 30
2t + r = 30
2r + t = 60
2r + t = 30
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8. Ductility of steel decreases with a percentage _____ of carbon steel
decrease
increase
improvement
reduction
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9. _____ ratio of steel, within elastic limit, varies from 0.25 to 0.33
Compression
Extension
Impact
Poisson's
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10. If unsupported length of a stanchion is 5 m, slenderness ratio is 100, the
least radius of gyration of the cross-section is _____ cm
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50
60
10
5
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11. The process of adding extra carbon to the surface of steel is known as
_____
Heat treatement
Carbon coating
Carburising
Carbon treatement
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12. Hardening of metal is due to heating to a particular temperature and
followed by rapid cooling in a _____ media
Cooling
Tempering
Quenching
Freezing
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13. Maximum shear force occurs at the edge of a base plate in a _____
footing
Stepped
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Rectangular
Square
Grillage
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14. The slenderness ratio of a tension member should not exceed 350, if the
member is subjected to _____ stresses resulting from wind force
Compressive
Tensile
Bending
Reversible
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15. 0.67 is the effective length of a compression member _____
Fixed at both ends
Free at both ends
Held in position and restrain in direction at both ends
Fixed at both lower end and free at upper end
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16. L/2 is the effective length of a column, fixed in _____ at its top and
bottom
position
direction
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position & direction
none of these
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17. 27t is the strength of ISA 155 x 75 x 10 used as a tie member with the
longer leg connected at the ends by a _____ mm dia rivet
22
25
27
32
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18. The maximum deflection allowed in steel ties is
L/750
L/480
L/350
unlimited
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19. The angle of inclination of lacing bars in steel ties should be more than
25
40
60
75
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20. For normal loading conditions on a simply supported beam the breadth of
the beam can be assumed as nearly
1/12 of span of the beam
1/16 of span of the beam
1/24 of span of the beam
1/30 of span of the beam
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21. When a beam section spans over several supports continuously then the
beam at supports should be designed as
Singly reinforced beam
Doubly reinforced beam
Pre-stressed beam
Pre-cast beam
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22. In a continuous slab the B.M. at middle of interior spans due to super
imposed load of intensity W Kg/m run will be
Wl^2 / 12
Wl^2 / 10
Wl^2 / 24
Wl^2 / 9
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23. As per IS : 456 in a two-way slab, the width of the middle strip along
each span should be
3/8 of the width of span in that direction
3/8 of the width of span at right angles
3/4 of the shortest side of the slab
3/4 of width of the span in that direction
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24. The reinforcement provided in the form of ties or stirrups or binders in a
column is known as
longitudinal reinforcement
transverse reinforcement
temperature reinforcement
distributary reinforcement
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25. Load carrying capacity of long columns are less as compared to short
columns due to
buckling effect of columns
crippling effects of columns
bending effects of columns
twisting effect of columns
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26. As per IS : 456 the thickness of footing edge on soils should not be less
than
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10 cm
12 cm
15 cm
20 cm
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27. Generally for piles the concrete used is of the grade
M100
M150
M200
M300
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28. The shear force on a beam and the displacement are related by
V = El. d^2 y / dx^2
V = El. d^3 y / dx^3
V = El. d^4 y / dx^4
no relation at all
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29. The shear stress in a beam is zero
At the centroid of the section
On the extreme free surface fibers
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At the neutral axis but not at the centroid
At the free edges
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30. The minimum strength of concrete that can be used in the foundations of
RCC water tanks of 450 mm thick is about
M15
M20
M25
M10
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31. The carbon content in steel does not exceed
0.5%
1.0%
1.5%
2.0%
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