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MCQOPTIONS
This section includes 719 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
In the below figure, the point E represents the maximum stress. |
| A. | True |
| B. | False |
| Answer» C. | |
| 152. |
In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents |
| A. | elastic limit |
| B. | upper yield-point |
| C. | lower yield point |
| D. | breaking point |
| Answer» B. upper yield-point | |
| 153. |
In the below figure, the point B represents upper yield point. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 154. |
In the below figure, the point C represents |
| A. | elastic limit |
| B. | upper yield point |
| C. | lower yield point |
| D. | breaking point |
| Answer» D. breaking point | |
| 155. |
The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 156. |
In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 157. |
In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis. |
| A. | same as |
| B. | less than |
| C. | greater than |
| Answer» C. greater than | |
| 158. |
The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 159. |
The assumption made in the theory of the reinforced cement concrete beam is that |
| A. | all the tensile stresses are taken up by the steel reinforcement only |
| B. | there is a sufficient bond between steel and concrete |
| C. | the steel and concrete are stressed within its elastic limit |
| D. | all of the above |
| Answer» E. | |
| 160. |
The steel bars in a reinforced cement concrete beam are embedded __________ of the beam. |
| A. | in the centre |
| B. | near the bottom |
| C. | near the top |
| D. | at any position |
| Answer» C. near the top | |
| 161. |
A reinforced cement concrete beam is considered to be made of |
| A. | homogeneous material |
| B. | hetrogeneous material |
| C. | composite material |
| D. | isotropic material |
| Answer» C. composite material | |
| 162. |
The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (φ) = Angle of repose of the retained earth) |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 163. |
When the retained material is subjected to some superimposed or surcharged load, the total horizontal pressure due to surcharged load is (where p = Intensity of the supercharged load) |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 164. |
The Rankine's theory for active earth pressure is based on the assumption that |
| A. | the retained material is homogeneous and cohesionless |
| B. | the frictional resistance between the retaining wall and the retained material is neglected |
| C. | the failure of the retained material takes place along a plane called rupture plane |
| D. | all of the above |
| Answer» E. | |
| 165. |
In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length. |
| A. | equal to |
| B. | 1.5 times |
| C. | double |
| D. | 2.5 times |
| Answer» C. double | |
| 166. |
In case of eccentrically loaded struts __________ is preferred. |
| A. | solid section |
| B. | hollow section |
| C. | composite section |
| D. | reinforced section |
| Answer» D. reinforced section | |
| 167. |
The Rankine's formula holds good for |
| A. | short columns |
| B. | long columns |
| C. | both short and long columns |
| D. | weak columns |
| Answer» D. weak columns | |
| 168. |
The Rankine's constant for a mild steel column with both ends hinged is |
| A. | 1/750 |
| B. | 1/1600 |
| C. | 1/7500 |
| D. | 1/9000 |
| Answer» D. 1/9000 | |
| 169. |
A column is said to be a short column, when |
| A. | its length is very small |
| B. | its cross-sectional area is small |
| C. | the ratio of its length to the least radhis of gyration is less than 80. |
| D. | the ratio of its length to the least radius of gyration is more than 80. |
| Answer» D. the ratio of its length to the least radius of gyration is more than 80. | |
| 170. |
A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the |
| A. | axis of load |
| B. | perpendicular to the axis of load |
| C. | maximum moment of inertia |
| D. | minimum moment of inertia |
| Answer» E. | |
| 171. |
The columns whose slenderness ratio is less than 80, are known as |
| A. | short columns |
| B. | long columns |
| C. | weak columns |
| D. | medium columns |
| Answer» B. long columns | |
| 172. |
The slenderness ratio is the ratio of |
| A. | area of column to least radius of gyration |
| B. | length of column to least radius of gyration |
| C. | least radius of gyration to area of column |
| D. | least radius of gyration to length of column |
| Answer» C. least radius of gyration to area of column | |
| 173. |
The relation between equivalent length (L) and actual length (l) of a column for one end fixed and the other end hinged is |
| A. | L = l/2 |
| B. | L = l/2 |
| C. | L = l |
| D. | L = 4l |
| Answer» C. L = l | |
| 174. |
The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free. |
| A. | Agree |
| B. | Disagree |
| Answer» C. | |
| 175. |
The relation between equivalent length (L) and actual length (l) of a column for both ends fixed is |
| A. | L = l/2 |
| B. | L = l/2 |
| C. | L = l |
| D. | L = 2l |
| Answer» B. L = l/2 | |
| 176. |
The values of equivalent length (L) and actual length (l) of a column for both ends hinged is the same |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 177. |
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free. |
| A. | l/8 |
| B. | l/4 |
| C. | l/2 |
| D. | l |
| Answer» C. l/2 | |
| 178. |
The buckling load for a given column depends upon |
| A. | area of cross-section of the column |
| B. | length and least radius of gyration of the column |
| C. | modulus of elasticity for the material of the column |
| D. | all of the above |
| Answer» E. | |
| 179. |
The equivalent length, of a given column with given end conditions, is the length of an equivalent column of the same material and cross-section with hinged ends, and having the value of crippling load equal to that of the given column. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 180. |
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. |
| A. | l/8 |
| B. | l/4 |
| C. | l/2 |
| D. | l |
| Answer» D. l | |
| 181. |
According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2. In the Euler's formula, the value of C for a column with one end fixed and the other end free, is |
| A. | 1/2 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» E. | |
| 182. |
According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2. In the Euler's formula, the value of C for a column with both ends fixed is 4. |
| A. | Agree |
| B. | Disagree |
| Answer» C. | |
| 183. |
According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2. In the Euler's formula, the value of C for a column with one end fixed and the other end hinged, is 1/2. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 184. |
According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is |
| A. | 1/4 |
| B. | 1/2 |
| C. | 1 |
| D. | 2 |
| Answer» D. 2 | |
| 185. |
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends. |
| A. | equal to |
| B. | less than |
| C. | more than |
| Answer» C. more than | |
| 186. |
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end hinged, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 187. |
A column that fails due to direct stress, is called |
| A. | short column |
| B. | long column |
| C. | weak column |
| D. | medium column |
| Answer» B. long column | |
| 188. |
According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. |
| A. | equal to |
| B. | two times |
| C. | four times |
| D. | eight times |
| Answer» D. eight times | |
| 189. |
The assumption made in Euler's column theory is that |
| A. | the failure of column occurs due to buckling alone |
| B. | the length of column is very large as compared to its cross-sectional dimensions |
| C. | the column material obeys Hooke's law |
| D. | all of the above |
| Answer» E. | |
| 190. |
According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 191. |
The direct stress induced in a long column is __________ as compared to bending stress. |
| A. | same |
| B. | more |
| C. | less |
| D. | negligible |
| Answer» E. | |
| 192. |
For long columns, thevalue of buckling load is __________ crushing load. |
| A. | equal to |
| B. | less than |
| C. | more than |
| Answer» C. more than | |
| 193. |
Compression members always tend to buckle in the direction of the |
| A. | axis of load |
| B. | perpendicular to the axis of load |
| C. | minimum cross section |
| D. | least radius of gyration |
| Answer» E. | |
| 194. |
The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is |
| A. | d/4 |
| B. | d/8 |
| C. | d/12 |
| D. | d/16 |
| Answer» C. d/12 | |
| 195. |
For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle. |
| A. | one-half |
| B. | one-third |
| C. | one-fourth |
| D. | one-eighth |
| Answer» D. one-eighth | |
| 196. |
The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| Answer» D. | |
| 197. |
When a column is subjected to an eccentric load, the stress induced in the column will be |
| A. | direct stress only |
| B. | bending stress only |
| C. | shear stress only |
| D. | direct and bending stress both |
| Answer» E. | |
| 198. |
If the magnitude of direct stress and bending stress is equal, then there will be zero stress at one of the extreme ends of a column. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 199. |
A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 200. |
A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |