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MCQOPTIONS
This section includes 948 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The units of stress in the SI system are |
| A. | kg/m2 |
| B. | n/m2 |
| C. | kg/mm2 |
| D. | none of the above |
| Answer» C. kg/mm2 | |
| 152. |
The ratio of ultimate tensile stress to the design stress is known as |
| A. | elastic limit |
| B. | strain |
| C. | factor of safety |
| D. | bulk modulus |
| Answer» D. bulk modulus | |
| 153. |
stress does not depend upon |
| A. | applied force |
| B. | area of c/s |
| C. | change in length |
| D. | none |
| Answer» D. none | |
| 154. |
If the member shown in Fig. 1.1 has a square cross section of 25 mm25 mm and E = 200 GPa, the change in length of portion AB is mm. |
| A. | 0.24 |
| B. | -0.24 |
| C. | 0.32 |
| D. | -0.32 |
| Answer» B. -0.24 | |
| 155. |
Strain is defined as deformation per unit |
| A. | area |
| B. | length |
| C. | load |
| D. | volume |
| Answer» C. load | |
| 156. |
Deflection in a leaf spring is more if its |
| A. | strength is more |
| B. | strength is less |
| C. | stiffness is less |
| D. | stiffness is more |
| Answer» D. stiffness is more | |
| 157. |
Effective length of a weld is equal to |
| A. | overall length - weld size |
| B. | overall length - throat thickness |
| C. | overall length - 2 x weld size |
| D. | overall length - 2 x throat thickness |
| Answer» D. overall length - 2 x throat thickness | |
| 158. |
If L and dL are are length and change in length respectively, then strain is equal to |
| A. | dl/l |
| B. | l/dl |
| C. | lxdl |
| D. | none |
| Answer» B. l/dl | |
| 159. |
The ratio of linear strain to lateral strain is known as |
| A. | modulus of elasticity |
| B. | modulus of rigidity |
| C. | poisson's ratio |
| D. | none of above |
| Answer» E. | |
| 160. |
A beam ABC rests on simple supports at A and B with BC as an overhang. D is centre of span AB. If in the first case a concentrated load P acts at C while in the second case load P actsat D, then the |
| A. | deflection at D in the first case will be equal to the deflection at C in the second case |
| B. | deflection at C in the first case is equal to the deflection at D in the second case |
| C. | deflection at D in the first case will always be smaller than the deflection at C in the second case |
| D. | deflection at D in the first case will always be greater than the deflection at C in the second case |
| Answer» B. deflection at C in the first case is equal to the deflection at D in the second case | |
| 161. |
If the length of a simply supported beam carrying a concentrated load at the centre isdoubled, the defection at the centre will become |
| A. | two times |
| B. | four times |
| C. | eight times |
| D. | sixteen times |
| Answer» D. sixteen times | |
| 162. |
For a determinate pin-jointed plane frame, the relation between the number of joints j andmembers m is given by |
| A. | m = 2j - 3 |
| B. | m = 3j-6 |
| C. | m > 2j - 3 |
| D. | m > 3j - 6 |
| Answer» B. m = 3j-6 | |
| 163. |
A stepped bar of steel consists of a pmormtion with cross section area 500 mm2 connected to a portion with cross section area 1000 2. Each portion has a length of 1 m. The modulus of elasticity of steel is200 GPa. The maximum elongation of the bar by applying an axial tensile force at the ends without exceeding a stress of 100 MPa is mm. |
| A. | 0.5 |
| B. | 0.75 |
| C. | 0.1 |
| D. | 0.15 |
| Answer» C. 0.1 | |
| 164. |
A metal plate of length L and width b has a circle drawn on it. If it is subjected to a compressive stress acting along its width, the circle will |
| A. | remain circle of same radius |
| B. | become ellipse with major axis along its width |
| C. | become ellipse with major axis along its length |
| D. | become circle of smaller radius |
| Answer» D. become circle of smaller radius | |
| 165. |
If a three hinged parabolic arch carries a uniformly distributed load over the entire span, thenany section of the arch is subjected to |
| A. | normal thrust only |
| B. | normal thrust and shear force |
| C. | normal thrust and bending moment |
| D. | normal thrust, shear force and bending moment |
| Answer» B. normal thrust and shear force | |
| 166. |
If a prismatic member with area of cross-section A is subjected to a tensile load P, then the maximum shear stress and its inclination with the direction of load respectively are |
| A. | P/A and 45° |
| B. | P/2Aand45° |
| C. | P/2A and 60° |
| D. | P/A and 30° |
| Answer» C. P/2A and 60° | |
| 167. |
For a certain material, E = 3K . The value of Poisson's ratio for the material will be__ _. |
| A. | 0 |
| B. | 0.25 |
| C. | 0.5 |
| D. | 0.75 |
| Answer» B. 0.25 | |
| 168. |
Euler's formula for a mild steel long column hinged at both ends is not valid for slendernessratio |
| A. | greater than 80 |
| B. | less than 80 |
| C. | greater than 180 |
| D. | greater than 120 |
| Answer» C. greater than 180 | |
| 169. |
The value of K for perfectly rigid body is |
| A. | zero |
| B. | 1 |
| C. | -1 |
| D. | infinity |
| Answer» E. | |
| 170. |
A prismatic beam fixed at both ends carries a uniformly distributed load. The ratio of bending moment at the supports to the bending moment at mid-span is |
| A. | 0.5 |
| B. | 1.0 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» E. | |
| 171. |
If the Young's modulus of elasticity of a material is twice its modulus of rigidity, then thePoisson's ratio of the material is |
| A. | -1 |
| B. | -0.5 |
| C. | 0.5 |
| D. | zero |
| Answer» E. | |
| 172. |
Stress does not depand upon |
| A. | applied force |
| B. | area of c/s |
| C. | modulus of elasticity |
| D. | none |
| Answer» D. none | |
| 173. |
The ratio of shear stress to shear strain is known as |
| A. | poisson's ratio |
| B. | bulk modulus |
| C. | modulus of rigidity |
| D. | modulus of elasticity |
| Answer» D. modulus of elasticity | |
| 174. |
The axially loaded composite rod shown in Fig. 1.2 has a uniform cross- sectional area of 500 mm 2 . The modulii of elasticity are Est = 200 GPa, Eal = 70 GPa and Ecu = 120 GPa. The change in length of the composite rod is mm. |
| A. | 0.95 |
| B. | -0.95 |
| C. | 0.5 |
| D. | -0.5 |
| Answer» C. 0.5 | |
| 175. |
The modulus of elasticity in terms of bulk modulus and modulus of rigidity is given by |
| A. | 9kg/(3k+g) |
| B. | 9kg/(k+3g) |
| C. | (3k+g)/9kg |
| D. | (k+3g)/9kg |
| Answer» B. 9kg/(k+3g) | |
| 176. |
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 beams is |
| A. | 1.118 |
| B. | 1.342 |
| C. | 1.000 |
| D. | 0.793 |
| Answer» B. 1.342 | |
| 177. |
The axially loaded composite rod shown in Fig. 1.2 has a uniform cross- sectional area of 500 mm 2 . The modulii of elasticity are Est = 200 GPa, Eal = 70 GPa and Ecu = 120 GPa. The change in length of CD is mm. |
| A. | 0.15 |
| B. | -0.15 |
| C. | 0.24 |
| D. | -0.24 |
| Answer» B. -0.15 | |
| 178. |
Two rods have uniform cross section areas in the ratio 1 : 2 and are subjected to axial tensile forces of the same magnitude. The stresses induced in the two rods will be in the ratio __ _ . |
| A. | 1 : 2 |
| B. | 2 : 1 |
| C. | 1 : 1 |
| D. | 4 : 1 |
| Answer» C. 1 : 1 | |
| 179. |
In a body, thermal stress is one which arises because of the existence of |
| A. | latent heat |
| B. | temperature gradient |
| C. | total heat |
| D. | specific heat |
| Answer» C. total heat | |
| 180. |
Poisson’s ratio for rubber is……that for steel. |
| A. | larger than |
| B. | equal to |
| C. | smaller than |
| D. | any of the above |
| Answer» B. equal to | |
| 181. |
Figure out the odd point in the following |
| A. | proportional limit |
| B. | elastic limit |
| C. | yield point |
| D. | fracture point |
| Answer» E. | |
| 182. |
The variation of the bending moment in the portion of a beam carrying linearly varying load is |
| A. | linear |
| B. | parabolic |
| C. | cubic |
| D. | constant |
| Answer» D. constant | |
| 183. |
Size of fillet weld with unequal legs is equal to |
| A. | smaller leg length |
| B. | longer leg length |
| C. | throat thickness |
| D. | average of smaller and longer leg lengths |
| Answer» B. longer leg length | |
| 184. |
Temperature stress developed in a bar depends on which of the following? |
| A. | coefficient of linear expansion |
| B. | change of temperature |
| C. | young's modulus |
| D. | all of above |
| Answer» E. | |
| 185. |
The Unit of stress in SI unit is |
| A. | mn/mm2 |
| B. | kn/mm2 |
| C. | n/mm2 |
| D. | all of above |
| Answer» E. | |
| 186. |
………….Load is one which is considered to act at a point. |
| A. | triangular |
| B. | uniformly distributed load |
| C. | point |
| D. | none |
| Answer» D. none | |
| 187. |
A prismatic bar of volume V is subjected to a tensile force in longitudinal direction. If Poisson's ratio of the material is u and longitudinal strain is e, then the final volume of the bar becomes |
| A. | (l + e)(l-u)2V |
| B. | (l-e)2(l + ue)V |
| C. | (l + e)(l-ne)2V |
| D. | (l-ue)3V |
| Answer» D. (l-ue)3V | |
| 188. |
According to Rankine's hypothesis, the criterion of failure of a brittle material is |
| A. | maximum principal stress |
| B. | maximum shear stress |
| C. | maximum strain energy |
| D. | maximum shear strain energy |
| Answer» B. maximum shear stress | |
| 189. |
…………….Strain is the deformation of the bar per unit length in thedirection of force. |
| A. | volumetric |
| B. | shear |
| C. | lateral |
| D. | linear |
| Answer» E. | |
| 190. |
A steel tube (E= 200Gpa) has an internal diameter of 40 mm, thickness 10 mm and a length of 2 m. If it is subjected to an axial pull of 80 kN, the change in length of the tube will be__ _mm. |
| A. | 0.283 |
| B. | 0.5 |
| C. | 0.85 |
| D. | 0.113 |
| Answer» C. 0.85 | |
| 191. |
Limiting values of Poisson's ratio are |
| A. | - 1 and 0.5 |
| B. | -land-0.5 |
| C. | 1 and - 0.5 |
| D. | 0 and 0.5 |
| Answer» B. -land-0.5 | |
| 192. |
The radius of Mohr's circle for two equal unlike principal stresses of magnitude p is |
| A. | p |
| B. | p/2 |
| C. | zero |
| D. | none of the above |
| Answer» B. p/2 | |
| 193. |
the extension per unit length of the rod due to suddenly applied load as compare to same load gradually applied to same rod is |
| A. | same |
| B. | double |
| C. | three times |
| D. | half |
| Answer» C. three times | |
| 194. |
The axial force in the portion AB of the member shown in Fig. 1.1 is kN. |
| A. | 50 |
| B. | -50 |
| C. | 40 |
| D. | -40 |
| Answer» B. -50 | |
| 195. |
The relationship between Young's, modulus of elasticity E, bulk modulus K and Poisson'sratio u is given by |
| A. | E = 2K(l-2u.) |
| B. | E = 3K(l + u) |
| C. | E = 3K(l-2u) |
| D. | E = 2K(l + u) |
| Answer» D. E = 2K(l + u) | |
| 196. |
Four wires of same material are applied the same load. In which of the following cases, the elongation will be maximum (length, diameter)? |
| A. | 2m, 1mm |
| B. | 4m, 2mm |
| C. | 8m, 4mm |
| D. | 12m, 6mm |
| Answer» B. 4m, 2mm | |
| 197. |
Strain in a direction at right angles to the direction of applied force is known as |
| A. | lateral strain |
| B. | shear strain |
| C. | volumetric strain |
| D. | none of the above |
| Answer» B. shear strain | |
| 198. |
A laminated spring is supported at |
| A. | ends and loaded at centre |
| B. | centre and loaded at ends |
| C. | ends and loaded anywhere |
| D. | centre and loaded anywhere |
| Answer» C. ends and loaded anywhere | |
| 199. |
The portion, which should be removed from top and bottom of a circular cross section ofdiameter d in order to obtain maximum section modulus, is |
| A. | 0.01 d |
| B. | 0.1 d |
| C. | 0.011 d |
| D. | 0.11 d |
| Answer» D. 0.11 d | |
| 200. |
Laminated springs are subjected to |
| A. | direct stress |
| B. | bending stress |
| C. | shear stress |
| D. | none of the above |
| Answer» C. shear stress | |