MCQOPTIONS
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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.
| 201. |
A simply supported beam with rectangular cross-section is subjected to a central concentrated load. If the width and depth of the beam are doubled, then the deflection at the centre of the beam will be reduced to |
| A. | 50% |
| B. | 25% |
| C. | 12.5% |
| D. | 6.25% |
| Answer» E. | |
| 202. |
The temperature strain in a bar is ……………..proportional to the change intemperature. |
| A. | directly |
| B. | indirectly |
| C. | either of above |
| D. | none of the above |
| Answer» B. indirectly | |
| 203. |
A beam of rectangular cross-section is 100 mm wide and 200 mm deep. If the section is subjected to a shear force of 20 kN, then the maximum shear stress in the section is |
| A. | 1 N/mm2 |
| B. | 1.125 N/mm2 |
| C. | 1.33 N/mm2 |
| D. | 1.5 N/mm2 |
| Answer» E. | |
| 204. |
If an axial force of 1 kN is applied to a rod of 100 mm cross section area produces change in length of 1 mm over a length of 12 m, the modulus of elasticity of the material will be--------- |
| A. | 120mpa |
| B. | 10gpa |
| C. | 12gpa |
| D. | 120gpa |
| Answer» E. | |
| 205. |
Total elongation produced in a bar due to its self weight is given by……….. Where ρ is the density of material in kg/m3 |
| A. | 9.81ρl2/e |
| B. | 9.81ρl2/2e |
| C. | 9.81ρl/e |
| D. | 9.81ρ2l/2e |
| Answer» C. 9.81ρl/e | |
| 206. |
During free expansion due to temperature rise or fall, |
| A. | no stress is developed |
| B. | no strain is developed |
| C. | both are developed |
| D. | only stress is developed but strain not developed |
| Answer» B. no strain is developed | |
| 207. |
If 1 is subtracted from the ratio of yield stress to working stress the quantity obtained is known as |
| A. | margin of safety |
| B. | f.o.s. |
| C. | modulus of elasticity |
| D. | none of the above |
| Answer» B. f.o.s. | |
| 208. |
A cantilever beam AB of length 1 carries a concentrated load W at its midspan C. If the freeend B is supported on a rigid prop, then there is a point of contraflexure |
| A. | between A and C |
| B. | between C and B |
| C. | one between A and C and other between C and B |
| D. | nowhere in the beam |
| Answer» B. between C and B | |
| 209. |
A beam of triangular cross section is placed with its base horizontal. The maximum shear stress intensity in the section will be |
| A. | at the neutral axis |
| B. | at the base |
| C. | above the neutral axis |
| D. | below the neutral axis |
| Answer» D. below the neutral axis | |
| 210. |
The difference in ordinate of the shear curve between any two sections is equal to the area under |
| A. | load curve between these two sections |
| B. | shear curve between these two sections |
| C. | bending moment curve between these two sections |
| D. | load curve between these two sections plus concentrated loads applied between the sections |
| Answer» E. | |
| 211. |
If a bar of length L m extends by l mm under load W, the strain is |
| A. | 1000 l/l |
| B. | l/l |
| C. | 0.001 l/l |
| D. | none of the above |
| Answer» D. none of the above | |
| 212. |
In a lap riveted joint the rivets are mainly subjected to --------------stress |
| A. | shear |
| B. | tensile |
| C. | bending |
| D. | compressive |
| Answer» B. tensile | |
| 213. |
When the material is loaded with elastic limit , then the stress is ……. tostrain. |
| A. | equal |
| B. | directly proportional |
| C. | inversely proportional |
| D. | not equal |
| Answer» C. inversely proportional | |
| 214. |
Effective throat thickness of a fillet weld is |
| A. | 0.707 x size of weld |
| B. | 1.414 x size of weld |
| C. | a function of the angle between fusion faces |
| D. | equal to the side of the fillet |
| Answer» D. equal to the side of the fillet | |
| 215. |
A prismatic bar when subjected to pure bending assumes the shape of |
| A. | catenary |
| B. | cubic parabola |
| C. | quadratic parabola |
| D. | arc of a circle |
| Answer» E. | |
| 216. |
The change in length of a rod of uniform cross section was found to be2 mm for some applied force. The change in length of a rod of the same material and length but of twice the cross section area subjected to the same force will be__ mm. |
| A. | 1 |
| B. | 2 |
| C. | 0.5 |
| D. | 4 |
| Answer» B. 2 | |
| 217. |
Two rods have uniform cross section areas in the ratio 1 : 2 and are subjected to axial tensile forces with magnitudes in the ratio 1 : 2. The stresses induced in the two rods will be in the ratio ____ _. |
| A. | 1:1 |
| B. | 1:2 |
| C. | 1:1 |
| D. | 4:1 |
| Answer» D. 4:1 | |
| 218. |
The ratio of linear stress to linear strain is known as |
| A. | poisson's ratio |
| B. | bulk modulus |
| C. | modulus of rigidity |
| D. | modulus of elasticity |
| Answer» E. | |
| 219. |
For any material, the minimum value of E in terms of G is E |
| A. | g |
| B. | 2g |
| C. | 3g |
| D. | 2.5g |
| Answer» C. 3g | |
| 220. |
Simple stress is often called |
| A. | direct stress |
| B. | transverse stress |
| C. | total stress |
| D. | any of above |
| Answer» B. transverse stress | |
| 221. |
A localized compressive stress at the area of contact between the two surfaces is called as |
| A. | tensile stress |
| B. | bending stress |
| C. | bearing stress |
| D. | shear stress |
| Answer» D. shear stress | |
| 222. |
A bar of 30 mm diameter is subjected to an axial force 280 KN length of bar is 400 m and E= 200GPa. Determine volumetric strain if m=4. |
| A. | 1.46x10-3 |
| B. | 9.9 x 10-4 |
| C. | 2.9 x 10-3 |
| D. | 1.48 x 10-4 |
| Answer» C. 2.9 x 10-3 | |
| 223. |
A material has modulus of rigidity equal to 0.4x105 N/mm2 and Bulk modulus equal to 0.95 x105 N/mm2 The Young’s modulus value in GPa is.. |
| A. | 115 |
| B. | 105 |
| C. | 145 |
| D. | 175 |
| Answer» C. 145 | |
| 224. |
Factor of safety is defined as ratio of |
| A. | ultimate stress to allowable stress |
| B. | ultimate stress to yield stress |
| C. | allowable stress to yield stress |
| D. | allowable stress to ultimate stress |
| Answer» B. ultimate stress to yield stress | |
| 225. |
If an axial force of 15 kN is applied to a rod of 25 mm diameter, length 300 mm, the change in length of the rod was observed to be 0.045 mm. The modulus of elasticity of the material is 200 GPa. The strain in the rod will be ____ _. |
| A. | 1.5 |
| B. | 1.5*10-4 |
| C. | 1.33*10-3 |
| D. | 0.0455 |
| Answer» C. 1.33*10-3 | |
| 226. |
The ratio of lateral strain to linear strain is known as |
| A. | modulus of elasticity |
| B. | modulus of rigidity |
| C. | poisson's ratio |
| D. | elastic limit |
| Answer» D. elastic limit | |
| 227. |
A material with identical properties in all directions is known as |
| A. | homogeneous |
| B. | isotropic |
| C. | elastic |
| D. | none of the above |
| Answer» B. isotropic | |
| 228. |
For the stepped rod shown in Fig. 1.3,the in . |
| A. | aluminum |
| B. | copper |
| C. | steel |
| D. | none of these |
| Answer» B. copper | |
| 229. |
If a composite bar of steel and copper is heated, then the copper bar will be under |
| A. | tension |
| B. | compression |
| C. | shear |
| D. | torsion |
| Answer» C. shear | |
| 230. |
Temperature stress is a function of |
| A. | modulus of elasticity |
| B. | coefficient of linear expansion |
| C. | change in temperature |
| D. | all of the above |
| Answer» E. | |
| 231. |
Shearing strain is represented by……… |
| A. | angle of twist |
| B. | angle of shear |
| C. | deforming force |
| D. | deforming torque |
| Answer» C. deforming force | |
| 232. |
If the member shown in Fig. 1.1 has asquare cross section of 25 mm 25 mm and E = 200 GPa, the change in length of portion CD is ------mm |
| A. | 0.16 |
| B. | -0.16 |
| C. | 0.24 |
| D. | -0.24 |
| Answer» C. 0.24 | |
| 233. |
The stress at which elongation of a material is quite large as compared to increase in load is known as |
| A. | ultimate point |
| B. | yield point |
| C. | elastic limit |
| D. | rupture point |
| Answer» C. elastic limit | |
| 234. |
The modulus of rigidity in terms of modulus of elasticity is given by |
| A. | e/2(1-γ) |
| B. | e/2(1+γ) |
| C. | 2e/(1-γ) |
| D. | 2e/(1+γ) |
| Answer» C. 2e/(1-γ) | |
| 235. |
If a material has identical properties in all directions, it is said to be |
| A. | homogeneous |
| B. | isotropic |
| C. | elastic |
| D. | orthotropic |
| Answer» C. elastic | |
| 236. |
Beams of uniform strength are preferred to those of uniform section because these are economical for |
| A. | large spans |
| B. | heavy weights |
| C. | light weights |
| D. | short spans. |
| Answer» B. heavy weights | |
| 237. |
The materials which have the same elastic properties in all directions, are called |
| A. | isotropic |
| B. | brittle |
| C. | homogeneous |
| D. | hard. |
| Answer» B. brittle | |
| 238. |
The maximum resistance against rotation, is offered by the weld at a point |
| A. | most distant |
| B. | least distant |
| C. | at either end |
| D. | centrally located. |
| Answer» B. least distant | |
| 239. |
In rectangular columns (cross-section b x h), the core is a |
| A. | rectangle of lengths b/2 and h/2 |
| B. | square of length b/2 |
| C. | rhombus of length h/2 |
| D. | rhombus of diagonals b/3 and h/3 |
| Answer» E. | |
| 240. |
The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a |
| A. | triangle |
| B. | rectangle |
| C. | parabola |
| D. | cubic parabola. |
| Answer» E. | |
| 241. |
When a rectangular beam is loaded transversely, the maximum compressive stress develops on |
| A. | bottom fibre |
| B. | top fibre |
| C. | neutral axis |
| D. | every cross-section. |
| Answer» C. neutral axis | |
| 242. |
In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be |
| A. | at the lower cross-section |
| B. | at the built-in upper cross-section |
| C. | at the central cross-section |
| D. | at every point of the bar. |
| Answer» C. at the central cross-section | |
| 243. |
The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is |
| A. | 1/2 |
| B. | 1/3 |
| C. | 1/4 |
| D. | 1/5 |
| Answer» C. 1/4 | |
| 244. |
If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is |
| A. | 9.5541 kg/cm² |
| B. | 95.541 kg/cm² |
| C. | 955.41 kg/cm² |
| D. | 9554.1 kg/cm². |
| Answer» D. 9554.1 kg/cm². | |
| 245. |
The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known |
| A. | buckling factor |
| B. | slenderness ratio |
| C. | crippling factor |
| D. | none of these. |
| Answer» C. crippling factor | |
| 246. |
Strain energy of a member may be equated to |
| A. | average resistance x displacement |
| B. | 1/2stress x strain x area of its cross-section |
| C. | 1/2stress x strain x volume of the member |
| D. | 1/2(stress)² x volume of the member + Young's modulus E. |
| Answer» E. | |
| 247. |
For a given material Young's modulus is 200 GN/m² and modulus of rigidity is 80 GN/m². The value of Poisson's ratio is |
| A. | 0.15 |
| B. | 0.20 |
| C. | 0.25 |
| D. | 0.30 |
| Answer» D. 0.30 | |
| 248. |
A three-hinged arch is said to be : |
| A. | statically determinate structure |
| B. | statically indeterminate structure |
| C. | a bent beam |
| D. | none of these. |
| Answer» B. statically indeterminate structure | |
| 249. |
A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be |
| A. | 5 tonnes metre |
| B. | 10 tonnes metre |
| C. | 15 tonnes metre |
| D. | 20 tonnes metre |
| Answer» E. | |
| 250. |
The under mentioned type is simple strain |
| A. | tensile strain |
| B. | compressive strain |
| C. | shear strain |
| D. | all the above. |
| Answer» E. | |