Herewith below we have shared more than MCQs in Soil mech and Foundation Engineering of our Civil Engineering subject. This will be very useful to study MCQs in systematic Manner.
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 Answered
 Review

Question 1 of 237
1. Question
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t
per m and allowable shear stress is 5 kg/cm2, the beam 
Question 2 of 237
2. Question
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to
be divided in each direction into middle strips and edge strips such that the width of the middle
strip, is 
Question 3 of 237
3. Question
The load stress of a section can be reduced by

Question 4 of 237
4. Question
The diameter of the column head support a flat slab, is generally kept

Question 5 of 237
5. Question
If W is the uniformly distributed load on a circular slab of radius fixed at its ends, the
maximum positive radial moment at its centre, is 
Question 6 of 237
6. Question
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

Question 7 of 237
7. Question
If the width of the foundation for two equal columns is restricted, the shape of the footing
generally adopted, is 
Question 8 of 237
8. Question
The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end
and intermediate spans is kept 
Question 9 of 237
9. Question
Pick up the correct statement from the following:

Question 10 of 237
10. Question
In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed
downwards at the end of the heel slab, which is known as 
Question 11 of 237
11. Question
Lapped splices in tensile reinforcement are generally not used for bars of size larger than

Question 12 of 237
12. Question
Minimum spacing between horizontal parallel reinforcement of the same size should not be less
than 
Question 13 of 237
13. Question
For a ribbed slab

Question 14 of 237
14. Question
A very comfortable type of stairs is

Question 15 of 237
15. Question
Columns may be made of plain concrete if their unsupported lengths do not exceed their least
lateral dimension 
Question 16 of 237
16. Question
The width of the flange of a Lbeam, should be less than

Question 17 of 237
17. Question
A prestressed concrete member is preferred because

Question 18 of 237
18. Question
If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will
ordinarily be satisfactory in case of a 
Question 19 of 237
19. Question
A pile of length carrying a uniformly distributed load per metre length is suspended at two
points, the maximum, B.M. at the centre of the pile or at the points of suspension, is 
Question 20 of 237
20. Question
If ‘P’ is the net upward pressure on a square footing of side for a square column of side , the
maximum bending moment is given by 
Question 21 of 237
21. Question
To ensure uniform pressure distribution, the thickness of the foundation, is

Question 22 of 237
22. Question
According to load tactor method, the permissible load ‘W’ on a short reinforved with longitudinal bars and lateral stirrups, is

Question 23 of 237
23. Question
If p1 and p2 are mutually perpendicular principal stresses acting on a soil mass, the normal stress
on any plane inclined at angle 0 to the principal plane carrying the principal stress p1, is: 
Question 24 of 237
24. Question
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is

Question 25 of 237
25. Question
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular
beam 
Question 26 of 237
26. Question
Steel bars are generally connected together to get greater length than the standard length by
providing 
Question 27 of 237
27. Question
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice
the diameter of the bar subject to a minimum of 
Question 28 of 237
28. Question
Top bars are extended to the projecting parts of the combined footing of two columns Ldistance
apart for a distance of 
Question 29 of 237
29. Question
For M 150 grade concrete (1:2:4) the moment of resistance factor is

Question 30 of 237
30. Question
P’ is the prestressed force applied to tendon of a rectangular prestressed beam whose area of
cross section is ‘A’ and sectional modulus is ‘Z’ . The minimum stress ‘f’on the beam subjected to a
maximum bending moment ‘ M’ is 
Question 31 of 237
31. Question
If C is creep coefficient, f is original prestress in concrete, m is modular ratio, E is Young’s modulus
of steel and e is shrinkage strain, the combined effect of creep and shrinkage is: 
Question 32 of 237
32. Question
In a prestressed member it is advisable to use

Question 33 of 237
33. Question
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m
above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be
designed for self weight plus 
Question 34 of 237
34. Question
The minimum clear cover for R.C.C. columns shall be

Question 35 of 237
35. Question
The minimum thickness of a flat slab is taken

Question 36 of 237
36. Question
The design of heel slab of a retaining wall is based on the maximum bending moment due to:

Question 37 of 237
37. Question
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m
inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is 
Question 38 of 237
38. Question
The neutral axis of a Tbeam exists

Question 39 of 237
39. Question
A precast pile generally used, is

Question 40 of 237
40. Question
The spacing of transverse reinforcement of column is decided by the following consideration.

Question 41 of 237
41. Question
The selfweight of the footing, is

Question 42 of 237
42. Question
Pick up the incorrect statement from the following:

Question 43 of 237
43. Question
If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from
walls, is a cm, the depth D of footing is 
Question 44 of 237
44. Question
After prestressing process is completed, a loss of stress is due to

Question 45 of 237
45. Question
In a simply supported slab, alternate bars are curtailed at

Question 46 of 237
46. Question
If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on
one side and by a stringer beam on the other side, the steps are designed as beams of width 
Question 47 of 237
47. Question
If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected
to a superload on the vertical face of height h of a retaining wall, the horizontal pressure p per
unit length of the wall, is 
Question 48 of 237
48. Question
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is
provided at a pitch of 
Question 49 of 237
49. Question
The transverse reinforcements provided at right angles to the main reinforcement

Question 50 of 237
50. Question
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel
to lx and ly be wx and wy respectively. According to Rankine Grashoff theory 
Question 51 of 237
51. Question
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by

Question 52 of 237
52. Question
Highstrength concrete is used in prestressed member

Question 53 of 237
53. Question
if ‘w’ High strength concrete is used in prestressed member

Question 54 of 237
54. Question
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of
weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the
earth, is 
Question 55 of 237
55. Question
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and
1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required
for an economic section, is 
Question 56 of 237
56. Question
The modular ratio m of a concrete whose permissible compressive stress is C, may be obtained
from the equation. 
Question 57 of 237
57. Question
Enlarged head of a supporting column of a flat slab is technically known as

Question 58 of 237
58. Question
Thickened part of a flat slab over its supporting column, is technically known as

Question 59 of 237
59. Question
If’ A’ is the sectional area of a prestressed rectangular beam provided with a tendon prestressed
by a force through its centroidal longitudinal axis, the compressive stress in concrete, is 
Question 60 of 237
60. Question
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds

Question 61 of 237
61. Question
A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is
provided with a bent tendon with tension P such that central onethird portion of the tendon
remains parallel to the longitudinal axis, the maximum dip h is 
Question 62 of 237
62. Question
The minimum head room over a stair must be

Question 63 of 237
63. Question
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of
side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from
punching shear consideration, is 
Question 64 of 237
64. Question
For initial estimate for a beam design, the width is assumed

Question 65 of 237
65. Question
If the length of a combined footing for two columns l metres apart is L and the projection on the
left side of the exterior column is x, then the projection y on the right side of the exterior column,
in order to have a uniformly distributed load, is (where is the distance of centre of gravity of
column loads). 
Question 66 of 237
66. Question
Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and
from the base at a distance of 
Question 67 of 237
67. Question
If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a
rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme
top edge 
Question 68 of 237
68. Question
The Young’s modulus of elasticity of steel, is

Question 69 of 237
69. Question
Design of a two way slab simply supported on edges and having no provision to prevent the
corners from lifting, is made by 
Question 70 of 237
70. Question
Spacing of stirrups in a rectangular beam, is

Question 71 of 237
71. Question
As per IS : 456, the reinforcement in a column should not be less than

Question 72 of 237
72. Question
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is

Question 73 of 237
73. Question
Bottom bars under the columns are extended into the interior of the footing slab to a distance
greater than 
Question 74 of 237
74. Question
Pick up the assumption for the design of a prestressed concrete member from the following:

Question 75 of 237
75. Question
The advantage of reinforced concrete, is due to

Question 76 of 237
76. Question
An R.C.C. column is treated as short column if its slenderness ratio is less than

Question 77 of 237
77. Question
The zone in which transverse bending is likely to occur may be obtained by drawing a line from the faces of the column making an angle 0 with horizontal where 0 ia

Question 78 of 237
78. Question
The thickness of the topping of a ribbed slab, varies between

Question 79 of 237
79. Question
If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

Question 80 of 237
80. Question
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends,
the distance from either end over which stirrups for the shear, are provided, is 
Question 81 of 237
81. Question
The angle of internal friction of soil mass is the angle whose

Question 82 of 237
82. Question
The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

Question 83 of 237
83. Question
If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the
corresponding load per square metre of the horizontal area, is 
Question 84 of 237
84. Question
If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be
provided should be. 
Question 85 of 237
85. Question
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its
overall depth does not exceed 
Question 86 of 237
86. Question
If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the
prestressed beam is L, the upward uniform pressure will be 
Question 87 of 237
87. Question
If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of
beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is 
Question 88 of 237
88. Question
The steel generally used in R.C.C. work, is

Question 89 of 237
89. Question
If the ratio of long and short spans of a two way slab with corners held down is r, the actual
reduction of B.M. is given by 
Question 90 of 237
90. Question
A part of the slab may be considered as the flange of the Tbeam if

Question 91 of 237
91. Question
By overreinforcing a beam, the moment of resistance can be increased not more than

Question 92 of 237
92. Question
Total pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the
retained earth weighing ‘W’ per unit volume, is 
Question 93 of 237
93. Question
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical
neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to
resistance of the beam, is 
Question 94 of 237
94. Question
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is
kept less than 
Question 95 of 237
95. Question
If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four
edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips
parallel to l2 and l1 is 
Question 96 of 237
96. Question
The live load to be considered for an accessible roof, is

Question 97 of 237
97. Question
If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and
σc are the modular ratio and maximum stress in the configuration of concrete, the strength of
column is 
Question 98 of 237
98. Question
On an absolutely rigid foundation base, the pressure will

Question 99 of 237
99. Question
The diameter of transverse reinforcement of columns should be equal to onefourth of the
diameter of the main steel rods but not less than 
Question 100 of 237
100. Question
If longitudinally spanning stairs are casted along with their landings, the maximum bending
moment per metre width, is taken as 
Question 101 of 237
101. Question
If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on
either side of the wall is a cm, the depth of foundation D is given by 
Question 102 of 237
102. Question
If the shear stress in a R.C.C. beam is

Question 103 of 237
103. Question
For a continuous floor slab supported on beams, the ratio of end span length and intermediate
span length, is 
Question 104 of 237
104. Question
In a singly reinforced beam

Question 105 of 237
105. Question
The ratio of the breadth to effective depth of a beam is kept

Question 106 of 237
106. Question
In a cantilever retaining wall without a heel slab

Question 107 of 237
107. Question
P’ is the prestressed force applied to the tendon of a rectangular prestressed beam whose area
of cross section is’ A’ and sectional modulus is ‘Z’ . The maximum stress ‘f’ in the beam, subjected
to a maximum bending moment , ‘M’ is 
Question 108 of 237
108. Question
A Tbeam behaves as a rectangular beam of a width equal to its flange if its neutral axis

Question 109 of 237
109. Question
For the design of a simply supported Tbeam the ratio of the effective span to the overall depth of
the beam is limited to 
Question 110 of 237
110. Question
A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It
carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete
to carry onethird of the diagonal tension and ignoring the weight of the beam, the number of
shear stirrups required, is 
Question 111 of 237
111. Question
The width of the rib of a Tbeam, is generally kept between

Question 112 of 237
112. Question
A ribbed slab is provided for

Question 113 of 237
113. Question
To ensure that the hogging bending moment at two points of suspension of a pile of
length L equals the sagging moment at its centre, the distances of the points of suspension from
either end, is 
Question 114 of 237
114. Question
The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm
effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral
axis is 
Question 115 of 237
115. Question
If the depth of actual neutral axis of a doubly reinforced beam

Question 116 of 237
116. Question
If the modular ratio is ‘m’ , steel ratio is’ r’ and overall depth of a beam is ‘d’ , the depth of the
critical neutral axis of the beam, is 
Question 117 of 237
117. Question
The maximum diameter of a bar used in a ribbed slab, is

Question 118 of 237
118. Question
A column is regarded as long column if the ratio of its effective length and lateral dimension,
exceeds 
Question 119 of 237
119. Question
According to the steel beam theory of doubly reinforced beams

Question 120 of 237
120. Question
The breadth of a ribbed slab containing two bars must be between

Question 121 of 237
121. Question
The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of
repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width
of the stem at the bottom, is 
Question 122 of 237
122. Question
If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is

Question 123 of 237
123. Question
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less
than 
Question 124 of 237
124. Question
For a number of columns constructed in a rcjw, the type of foundation provided, is

Question 125 of 237
125. Question
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with
18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is 
Question 126 of 237
126. Question
In testing a pile by load test, pile platform is loaded with one and half times the design load and a
maximum settlement is noted. The load is gradually removed and the consequent rebound is
measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of
test load should not exceed 
Question 127 of 237
127. Question
The diameter of main bars in R.C.C. columns, shall not be less than

Question 128 of 237
128. Question
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond
length is given by 
Question 129 of 237
129. Question
An intermediate Tbeam reinforced with two layers of tensile steel with clear cover 13 cm
encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining
beams and if the width of the beam is 20 cm, the breadth of the flange is 
Question 130 of 237
130. Question
The length of lap in tension reinforcement should not be less than the bar diameter × (actual
tension / four times the permissible average bond stress) if it is more than 
Question 131 of 237
131. Question
As the percentage of steel increases

Question 132 of 237
132. Question
The effective width of a column strip of a flat slab, is

Question 133 of 237
133. Question
As per IS : 1343, total shrinkage for a pretensioned beam, is

Question 134 of 237
134. Question
Dimensions of a beam need be changed if the shear stress is more than

Question 135 of 237
135. Question
Based on punching shear consideration, the overall depth of a combined footing under a
column A, is 
Question 136 of 237
136. Question
Pick up the correct statement from the following:

Question 137 of 237
137. Question
In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are:

Question 138 of 237
138. Question
The weight of reinforced concrete, is generally taken as

Question 139 of 237
139. Question
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre
of the slab, is 
Question 140 of 237
140. Question
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety
against sliding, is 
Question 141 of 237
141. Question
The effective span of a simply supported slab, is

Question 142 of 237
142. Question
In a beam the local bond stress Sb, is equal to

Question 143 of 237
143. Question
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall
depth, is 
Question 144 of 237
144. Question
With usual notations the depth of the neutral axis of a balanced section, is given by

Question 145 of 237
145. Question
Pick up the true statement from the following:

Question 146 of 237
146. Question
If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is
10 kg/cm2, the length of the beam having nominal reinforcement, is 
Question 147 of 237
147. Question
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the
load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral
triangle, producing a maximum bending moment 
Question 148 of 237
148. Question
The section of a reinforced beam where most distant concrete fibre in compression and tension in
steel attains permissible stresses simultaneously, is called 
Question 149 of 237
149. Question
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or

Question 150 of 237
150. Question
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as

Question 151 of 237
151. Question
An underreinforced section means

Question 152 of 237
152. Question
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

Question 153 of 237
153. Question
In a doublyreinforced beam if V and ‘t’are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good

Question 154 of 237
154. Question
A raft foundation is provided if its area exceeds the plan area of the building by

Question 155 of 237
155. Question
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

Question 156 of 237
156. Question
If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose ф, the lateral intensity of pressure p2 is

Question 157 of 237
157. Question
Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

Question 158 of 237
158. Question
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

Question 159 of 237
159. Question
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

Question 160 of 237
160. Question
The percentage of minimum reinforcement of the gross sectional area in slabs, is

Question 161 of 237
161. Question
If the permissible compressive stress for a concrete in bending is C kg/m2, the modular ratio is

Question 162 of 237
162. Question
An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

Question 163 of 237
163. Question
Cantilever retaining walls can safely be used for a height not more than

Question 164 of 237
164. Question
The maximum area of tension reinforcement in beams shall not exceed

Question 165 of 237
165. Question
The width of the flange of a Tbeam should be less than

Question 166 of 237
166. Question
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

Question 167 of 237
167. Question
According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

Question 168 of 237
168. Question
The width of the flange of a Tbeam, which may be considered to act effectively with the rib depends upon

Question 169 of 237
169. Question
The maximum shear stress (qmax) in a rectangular beam is

Question 170 of 237
170. Question
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by

Question 171 of 237
171. Question
If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

Question 172 of 237
172. Question
The length of the straight portion of a bar beyond the end of the hook, should be at least

Question 173 of 237
173. Question
If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

Question 174 of 237
174. Question
If ‘H’ is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is