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101. |
in hydraulic structure. |
A. | bulk heads |
B. | bearing stratum |
C. | boulders |
D. | composite piles |
Answer» A. bulk heads |
102. |
The piles that are used for protecting structures from ships and floating object is |
A. | anchor piles |
B. | fender piles |
C. | compaction piles |
D. | batter piles |
Answer» B. fender piles |
103. |
Modern pile driving method was first invented by |
A. | romans |
B. | nasmyth |
C. | terzaghi |
D. | vitruvious |
Answer» B. nasmyth |
104. |
classes. |
A. | three |
B. | eight |
C. | two |
D. | four |
Answer» C. two |
105. |
Which of the following piles is a cast-in- situ type of concrete pile? |
A. | under-reamed pile |
B. | raymond standard pile |
C. | pressure pile |
D. | anchor pile |
Answer» B. raymond standard pile |
106. |
Composite piles are suitable for |
A. | maximum design load |
B. | project above the water table |
C. | compacting the soil |
D. | protect water front structures |
Answer» B. project above the water table |
107. |
Piles are commonly driven in to ground by means of special device called |
A. | pile driver and hammer |
B. | driller |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. pile driver and hammer |
108. |
The types of hammer used for driving piles are |
A. | drop hammer |
B. | diesel hammer |
C. | vibratory hammer |
D. | all of the mentioned |
Answer» D. all of the mentioned |
109. |
If a hammer is raised by steam and allowed to fall by gravity on top of the pile, it is called as |
A. | diesel hammer |
B. | vibratory hammer |
C. | single acting hammer |
D. | drop hammer |
Answer» C. single acting hammer |
110. |
Single acting hammers provide an advantage in type of soil. |
A. | compact soil and hard soil |
B. | light weight soil |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. compact soil and hard soil |
111. |
The maximum load which can be carried by a pile is defined as its |
A. | ultimate load carrying capacity |
B. | ultimate bearing resistance |
C. | ultimate bearing capacity |
D. | all of the mentioned |
Answer» D. all of the mentioned |
112. |
The allowable load which the pile can carry safely is determined on the basis of |
A. | factor of safety |
B. | load test |
C. | stability of the pile foundation |
D. | all of the mentioned |
Answer» C. stability of the pile foundation |
113. |
Which of the following are some of the commonly used dynamic formula? |
A. | engineers news formula and hiley’s formula |
B. | static formula |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. engineers news formula and hiley’s formula |
114. |
When a pile hammer hits the pile, the total driving energy is equal to |
A. | weight of hammer times the height of drop |
B. | weight of the ram time times the height of the stroke |
C. | sum of the impact of the ram |
D. | sum of the impact of ram plus the energy delivered by explosion |
Answer» A. weight of hammer times the height of drop |
115. |
The load carrying capacity of a pile can be determined by which of the following |
A. | fine grained soil |
B. | coarse grained soil |
C. | cohesive soil |
D. | none of the mentioned |
Answer» B. coarse grained soil |
116. |
Dynamic formula does not indicate about |
A. | temporary change in soil structure and future settlement |
B. | allowable load |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. temporary change in soil structure and future settlement |
117. |
The dynamic formula is valueless for which of the following type of soil? |
A. | loose sand |
B. | saturated soil |
C. | clay soil |
D. | compacted soil |
Answer» C. clay soil |
118. |
In dynamic formulae what are the energy losses, that is not accounted? |
A. | energy loss due to vibration and energy loss due to heat |
B. | frictional loss |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. energy loss due to vibration and energy loss due to heat |
119. |
The greater objection to any of the pile driving formulae is |
A. | uncertainty in relation between dynamic and static resistance |
B. | shear strength of the soil |
C. | uncertainty in the allowable pressure |
D. | none of the mentioned |
Answer» A. uncertainty in relation between dynamic and static resistance |
120. |
The static formula is based on the assumption that the ultimate bearing capacity Qup is equal to |
A. | rf + qa |
B. | rf + rp |
C. | as + ap |
D. | q up / f |
Answer» B. rf + rp |
121. |
The efficiency of pile group depends upon |
A. | characteristic of pile and spacing of pile |
B. | bearing capacity of soil |
C. | all of the mentioned |
D. | none of the mentioned |
Answer» A. characteristic of pile and spacing of pile |
122. |
In which of the following rule, the value of each pile is reduced by one-sixteenth? |
A. | converse labarre formulae |
B. | feld’s formulae |
C. | seiler-keeney formulae |
D. | all of the mentioned |
Answer» B. feld’s formulae |
123. |
The bearing capacity of a single pile in clay is mainly due to |
A. | friction |
B. | shear strength of soil |
C. | allowable load |
D. | ultimate load |
Answer» A. friction |
124. |
The area of the pile group along the failure surface is equal to |
A. | perimeter × area of cross section |
B. | breadth × length |
C. | perimeter × length |
D. | perimeter/area of cross section |
Answer» C. perimeter × length |
125. |
diameter of the pile. |
A. | four |
B. | five |
C. | three |
D. | ten |
Answer» C. three |
126. |
The settlement of a group of friction piles can be computed on the assumption that |
A. | clay is incompressible |
B. | pile below the lower level is ignored |
C. | qug = n qup / ηg |
D. | none of the mentioned |
Answer» B. pile below the lower level is ignored |
127. |
The pile load test should be performed on |
A. | working pile |
B. | test pile |
C. | all of the mentioned |
D. | none of the mentioned |
Answer» C. all of the mentioned |
128. |
For pile in cohesive soil is neglected for individual pile action. |
A. | frictional resistance |
B. | surface area of pile |
C. | shear strength of soil |
D. | all of the mentioned |
Answer» B. surface area of pile |
129. |
The result of Dutch cone penetration test can be applied to determine |
A. | ultimate skin fraction |
B. | total ultimate point |
C. | ultimate bearing capacity |
D. | none of the mentioned |
Answer» C. ultimate bearing capacity |
130. |
The separation of Q at any stage of loading into Rp and Rf in cyclic test is based on experimental value found out by |
A. | hailey |
B. | a.f. van weele |
C. | a.m. wellington |
D. | macarthur |
Answer» B. a.f. van weele |
131. |
The test which can be used for separating load carried by the pile is |
A. | cyclic load test |
B. | pile load test |
C. | penetration test |
D. | all of the mentioned |
Answer» A. cyclic load test |
132. |
Explanation: The cyclic load test is |
A. | terzaghi’s theory |
B. | hooke’s law |
C. | meyerhof’s theory |
D. | hiley’s formula |
Answer» B. hooke’s law |
133. |
Under-reamed pile foundation is most suitable for type of condition. |
A. | seasonal moisture change |
B. | dry conditioned soil |
C. | cohesive type of soil |
D. | all of the mentioned |
Answer» A. seasonal moisture change |
134. |
The under-reamed piles are connected by a beam known as |
A. | capping beam and grade beam |
B. | reamed beam |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. capping beam and grade beam |
135. |
The maximum spacing of the under-reamed pile should not normally exceed |
A. | 2 meters |
B. | 2½ meters |
C. | 1.5 meters |
D. | 30 centimeters |
Answer» B. 2½ meters |
136. |
The load carrying capacity of a under- reamed pile may be determined by |
A. | safe load test |
B. | penetration test |
C. | pile load test |
D. | cyclic load test |
Answer» A. safe load test |
137. |
Explanation: The load carrying capacity of an under-reamed pile may be determined |
A. | cast-in-situ piles |
B. | pre-cast-piles |
C. | steel piles |
D. | composite piles |
Answer» A. cast-in-situ piles |
138. |
The spacing of the piles in under-reamed pile foundation depends on which of the following factor? |
A. | nature of the ground and type of pile |
B. | load acting on the pile |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. nature of the ground and type of pile |
139. |
The theory of plasticity pertaining to soils is based on |
A. | mohr’s theory |
B. | rankine’s method |
C. | mohr-coulomb theory |
D. | none of the mentioned |
Answer» A. mohr’s theory |
140. |
On designing retaining walls it is necessary to take care of exerted by soil mass. |
A. | erosion |
B. | lateral pressure |
C. | surcharge |
D. | lateral stress |
Answer» B. lateral pressure |
141. |
The material retained or supported by the retaining structure is called |
A. | surcharge |
B. | support wall |
C. | back fill |
D. | all of the mentioned |
Answer» C. back fill |
142. |
The wedge-shaped portion of the backfill tending to move with the wall is called |
A. | wedge fall |
B. | active fall |
C. | failure wedge |
D. | none of the mentioned |
Answer» C. failure wedge |
143. |
In active stress, the major principal stress σ1 acting on the wall will be in plane. |
A. | vertical |
B. | horizontal |
C. | inclined |
D. | zero |
Answer» B. horizontal |
144. |
Explanation: In an active state, the major principal stress σ1 is vertical and the minor principal stress σ3 is horizontal. |
A. | active state |
B. | plasticity |
C. | surcharge |
D. | slip lines |
Answer» C. surcharge |
145. |
What will be the co-efficient of passive earth pressure, at a depth of 8m in cohesion less soil sand with an angle of internal friction of 30° when the water rises to the ground level? |
A. | 4 |
B. | 5 |
C. | 3 |
D. | 1 |
Answer» C. 3 |
146. |
Originally, Rankine’s theory of lateral earth pressure can be applied to only |
A. | cohesion less soil |
B. | cohesive soil |
C. | fine grained soil |
D. | coarse grained soil |
Answer» A. cohesion less soil |
147. |
Rankine’s theory of lateral pressure was extended to other soil by |
A. | resal and bell |
B. | mohr |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. resal and bell |
148. |
Based on the assumptions of Rankine’s theory, the soil mass is |
A. | stratified |
B. | submerged |
C. | homogeneous |
D. | all of the mentioned |
Answer» C. homogeneous |
149. |
Which of the following cases for cohesion less backfill in Rankine’s theory is considered? |
A. | submerged backfill |
B. | moist backfill with no surcharge |
C. | backfill with sloping surface |
D. | all of the mentioned |
Answer» D. all of the mentioned |
150. |
The factor that is responsible for inclination of resultant pressure to the retaining wall is |
A. | frictional force |
B. | surcharge |
C. | earth pressure |
D. | weight of the wall |
Answer» A. frictional force |
151. |
If the sand filled behind the retaining wall with saturated water with water, then the possible lateral pressure is |
A. | lateral pressure due to submerged weight and lateral pressure due to water |
B. | lateral pressure due to retaining wall |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. lateral pressure due to submerged weight and lateral pressure due to water |
152. |
The earth pressure at rest exerted on a retaining structure can be calculated using |
A. | theory of plasticity |
B. | theory of elasticity |
C. | mohr’s theory of rupture |
D. | none of the mentioned |
Answer» B. theory of elasticity |
153. |
Explanation: The earth pressure at rest, exerted on the back of the rigid, unyielding retaining structure, can be calculated using theory of elasticity. |
A. | 0.6 |
B. | 0.5 |
C. | 0.4 |
D. | 0.8 |
Answer» C. 0.4 |
154. |
The expression for K0 as given by Jacky is |
A. | k0 = 1 – sin φ |
B. | k0 = sin φ |
C. | k0 = 1 – cos φ |
D. | k0 = 1 + sin φ |
Answer» A. k0 = 1 – sin φ |
155. |
What will be the coefficient of earth pressure at rest for a rigid retaining wall, If the backfill consists of cohesion less soil having φ = 26°? |
A. | 0.1295 |
B. | 0.6552 |
C. | 0.5616 |
D. | 0.7383 |
Answer» C. 0.5616 |
156. |
The wedge theory of earth pressure is based on the concept of |
A. | active earth pressure |
B. | sliding wedge |
C. | wall friction |
D. | all of the mentioned |
Answer» B. sliding wedge |
157. |
Which of the following is a basic assumption of the wedge theory? |
A. | the slip surface is plane |
B. | the backfill is dry |
C. | the backfill is homogeneous |
D. | all of the mentioned |
Answer» D. all of the mentioned |
158. |
The active lateral pressure of intact saturated clays is calculated by assuming |
A. | φ=0 and φc=0 |
B. | φ=90 |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. φ=0 and φc=0 |
159. |
The forces acting on the trial wedge which is used for finding Rankine’s active earth pressure is |
A. | weight w of the wedge |
B. | resultant force |
C. | resultant reaction between wedge and sol |
D. | all of the mentioned |
Answer» D. all of the mentioned |
160. |
In Coulomb’s wedge theory, the angle λ is referred as |
A. | angle of wall friction |
B. | surcharge angle |
C. | critical slip angle |
D. | none of the mentioned |
Answer» C. critical slip angle |
161. |
The φ-line in wedge theory can also be called as |
A. | surcharge line |
B. | natural slope line and repose line |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» B. natural slope line and repose line |
162. |
The Belli equation at the ground surface is given by |
A. | pa=γzcot2 α-2c cotα |
B. | pa=γzcot2 α+2c cotα |
C. | pa=-2c cotα |
D. | pa=γzcot2 α/2c cotα |
Answer» C. pa=-2c cotα |
163. |
The effect of cohesion in the soil is to |
A. | reduce pressure intensity |
B. | increase pressure intensity by 3 |
C. | double the pressure intensity |
D. | increase pressure intensity by 4 |
Answer» A. reduce pressure intensity |
164. |
wall to a depth Zo in cohesive soils, then the total net pressure is zero for a depth of |
A. | 2zo |
B. | 3zo |
C. | 4zo |
D. | 5zo |
Answer» A. 2zo |
165. |
For an inclined back and surcharge, if P1, is horizontal pressure and W is weight of soil wedge, then the total pressure is given by |
A. | p=p1+w |
B. | p = √p 2 + w 2 |
C. | p=(p1+w)2 |
D. | p=p1-w |
Answer» B. p = √p 2 + w 2 |
166. |
The lateral pressure for cohesive backfill with surcharge q is |
A. | pa=γzcot2 α-2c cotα+qcot2 α |
B. | pa=γzcot2 α+2c cotα+cot2α |
C. | pa=-2c cotα-cot2 α |
D. | pa=γzcot2 α/2c cotα |
Answer» A. pa=γzcot2 α-2c cotα+qcot2 α |
167. |
Rebhann’s graphical method can be used for the location of |
A. | slip plane and total active earth pressure |
B. | passive earth pressure |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. slip plane and total active earth pressure |
168. |
Culmann’s solution can be conveniently used for |
A. | various type of surcharge loads |
B. | ground surface of any shape |
C. | backfill of different densities |
D. | all of the mentioned |
Answer» D. all of the mentioned |
169. |
theory. |
A. | coulomb’s |
B. | rebhann’s |
C. | mohr |
D. | rankine’s |
Answer» A. coulomb’s |
170. |
Which of the following effect of line load can be taken into account by Culmann’s graphical method? |
A. | railway track and long wall of a building |
B. | road alignment |
C. | none of the mentioned |
D. | all of the mentioned |
Answer» A. railway track and long wall of a building |
171. |
Earth pressure for retaining walls, of less than 6m are obtained by |
A. | analytical method |
B. | graphical method |
C. | considering approximate value |
D. | all of the mentioned |
Answer» B. graphical method |
172. |
All available graphs and tables, used for finding earth pressure is based on |
A. | rankine’s theory |
B. | coulomb’s theory |
C. | culmann’s theory |
D. | rebhann’s graphical method |
Answer» A. rankine’s theory |
173. |
Which of the following is not one of the criteria, for design of gravity dam? |
A. | the wall must be safe against sliding |
B. | the wall must be safe against overturning |
C. | the wall must be thinner in section |
D. | no tension should be developed in the wall |
Answer» C. the wall must be thinner in section |
174. |
For the design of gravity dam, the minimum value of F(factor of safety) against sliding should be |
A. | 2.0 |
B. | 1.5 |
C. | 0.5 |
D. | 4.0 |
Answer» B. 1.5 |
175. |
The load carrying capacity of a pile can be determined by which of the following methods? |
A. | dynamic formulae |
B. | static formulae |
C. | plate load test |
D. | all of the mentioned |
Answer» D. all of the mentioned |
176. |
type of soil. |
A. | fine grained soil |
B. | coarse grained soil |
C. | cohesive soil |
D. | none of the mentioned |
Answer» B. coarse grained soil |
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