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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.
| 251. |
For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is |
| A. | WL/4 |
| B. | WL/8 |
| C. | WL/2 |
| D. | WL/3 |
| Answer» C. WL/2 | |
| 252. |
The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always |
| A. | linear |
| B. | parabolic |
| C. | cubical |
| D. | circular. |
| Answer» D. circular. | |
| 253. |
A simply supported beam of span L carries a concentrated load W at its mid-span. The maximum bending moment M is |
| A. | WL/2 |
| B. | WL/4 |
| C. | WL/8 |
| D. | Wl/12 |
| Answer» C. WL/8 | |
| 254. |
The weakest section of a diamond riveting, is the section which passes through |
| A. | first row |
| B. | second row |
| C. | central raw |
| D. | one rivet hole of end row. |
| Answer» B. second row | |
| 255. |
In a beam, the neutral plane |
| A. | may be its centre |
| B. | passes through the C.G. of the area of cross-section |
| C. | does not change during deformation |
| D. | none of these. |
| Answer» D. none of these. | |
| 256. |
A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when |
| A. | x = 1 |
| B. | x = 2 |
| C. | x = 3 |
| D. | x = 4 |
| Answer» D. x = 4 | |
| 257. |
At either end of a plane frame, maximum number of possible bending moments, are |
| A. | one |
| B. | two |
| C. | three |
| D. | zero. |
| Answer» E. | |
| 258. |
Strain energy of any member may be defined as work done on it |
| A. | to deform it |
| B. | to resist elongation |
| C. | to resist shortening |
| D. | all the above. |
| Answer» E. | |
| 259. |
The equivalent length of a column fixed at one end and free at the other end, is |
| A. | 0.5 l |
| B. | 0.7 l |
| C. | l |
| D. | 2 l |
| Answer» E. | |
| 260. |
A cylinder is said to be thin if the ratio of its thickness and diameter, is less than |
| A. | 1/25 |
| B. | 1/20 |
| C. | 1/15 |
| D. | 1/10 |
| Answer» E. | |
| 261. |
If the shear force along a section of a beam is zero, the bending moment at the section is |
| A. | zero |
| B. | maximum |
| C. | minimum |
| D. | average of maximum-minimum |
| Answer» C. minimum | |
| 262. |
Stress in members of statically determinate simple frames, can be determined by |
| A. | method of joints |
| B. | method of sections |
| C. | graphical solution |
| D. | all the above. |
| Answer» E. | |
| 263. |
As the elastic limit reaches, tensile strain |
| A. | increases more rapidly |
| B. | decreases more rapidly |
| C. | increases in proportion to the stress |
| D. | decreases in proportion to the stress. |
| Answer» B. decreases more rapidly | |
| 264. |
For structural analysis of forces, the method refers to |
| A. | moment-area-theorem |
| B. | three-moment equation |
| C. | Maxwell's reciprocal theorem |
| D. | none of these. |
| Answer» B. three-moment equation | |
| 265. |
The deflection of any rectangular beam simply supported, is |
| A. | directly proportional to its weight |
| B. | inversely proportional to its width |
| C. | inversely proportional to the cube of its depth |
| D. | directly proportional to the cube of its length |
| Answer» D. directly proportional to the cube of its length | |
| 266. |
The stress necessary to initiate yielding, is considerably |
| A. | more than that necessary to continue it |
| B. | less than that necessary to continue it |
| C. | more than that necessary to stop it |
| D. | less than that necessary to stop it. |
| Answer» B. less than that necessary to continue it | |
| 267. |
Pick up the incorrect statement |
| A. | The cross-sectional area of the welded member is effective |
| B. | A welded joint develops strength of its parent metal |
| C. | Welded joints provide rigidity |
| D. | Welding takes more time than riveting. |
| Answer» E. | |
| 268. |
Influence lines are drawn for structures |
| A. | of any type |
| B. | statically determinate |
| C. | pin-jointed truss |
| D. | none of these. |
| Answer» B. statically determinate | |
| 269. |
When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as |
| A. | lap joint |
| B. | butt join |
| C. | single riveted single cover butt joint |
| D. | double riveted double cover butt joint. |
| Answer» E. | |
| 270. |
A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be |
| A. | 10.8 tonnes |
| B. | 1.08 tonnes |
| C. | 1.8 tonnes |
| D. | 0.8 tonnes |
| Answer» C. 1.8 tonnes | |
| 271. |
If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm². The intensity of the load per metre length, is |
| A. | 240 kg |
| B. | 250 kg |
| C. | 260 kg |
| D. | 270 kg |
| Answer» C. 260 kg | |
| 272. |
A column is said to be of medium size if its slenderness ratio is between |
| A. | 20 and 32 |
| B. | 32 and 120 |
| C. | 120 and 160 |
| D. | 160 and 180 |
| Answer» C. 120 and 160 | |
| 273. |
The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 1/2 |
| Answer» C. 3 | |
| 274. |
The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are : |
| A. | b = 57.73 cm d = 81.65 cm |
| B. | b = 81.65 cm d = 57.73 cm |
| C. | b = 50.00 cm d = 50.00 cm |
| D. | b = 40.00 cm d = 80.00 cm |
| Answer» B. b = 81.65 cm d = 57.73 cm | |
| 275. |
The property of a material by which it can be drawn to a smaller section, due to tension, is called |
| A. | plasticity |
| B. | ductility |
| C. | elasticity |
| D. | malleability. |
| Answer» C. elasticity | |
| 276. |
For a simply supported beam with a central load, the bending moment is |
| A. | least at the centre |
| B. | least at the supports |
| C. | maximum at the supports |
| D. | maximum at the centre. |
| Answer» E. | |
| 277. |
Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to |
| A. | very long columns |
| B. | long columns |
| C. | short columns |
| D. | intermediate columns |
| Answer» E. | |
| 278. |
In a three hinged arch, the third hinge is generally kept at |
| A. | crown of the arch |
| B. | midpoint of the crown and left support hinge |
| C. | midpoint of the crown and right support hinge |
| D. | none of these. |
| Answer» B. midpoint of the crown and left support hinge | |
| 279. |
The stress at which extension of a material takes place more quickly as compared to the increase in load, is called |
| A. | elastic point |
| B. | plastic point |
| C. | breaking point |
| D. | yielding point. |
| Answer» E. | |
| 280. |
The shear stress at any section of a shaft is maximum |
| A. | at the centre of the section |
| B. | at a distance r/2 from the centre |
| C. | at the top of the surface |
| D. | at a distance 3/4 r from the centre |
| Answer» D. at a distance 3/4 r from the centre | |
| 281. |
If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio |
| A. | 1 : n |
| B. | n : 1 |
| C. | 1 : 1/n |
| D. | 1/n : 1 |
| Answer» C. 1 : 1/n | |
| 282. |
A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be |
| A. | half the distributed load |
| B. | 3/8th the distributed load |
| C. | 5/8th the distributed load |
| D. | distributed load. |
| Answer» D. distributed load. | |
| 283. |
In a shaft shear stress intensity at a point is not |
| A. | directly proportional to the distance from the axis |
| B. | inversely proportional to the distance from the axis |
| C. | inversely proportional to the polar moment of inertia |
| D. | directly proportional to the applied torque. |
| Answer» C. inversely proportional to the polar moment of inertia | |
| 284. |
A diagram which shows the variations of the axial load for all sections of the span of a beam, is called |
| A. | bending moment diagram |
| B. | shear force diagram |
| C. | thrust diagram |
| D. | stress diagram |
| Answer» D. stress diagram | |
| 285. |
According to Unwin's formula, the diameter d of a rivet of plate of thickness t is : |
| A. | d = 6.05 √t |
| B. | d = 1.5 t + 4 |
| C. | d = √5 t |
| D. | d = √t + 1.5 |
| Answer» B. d = 1.5 t + 4 | |
| 286. |
Ties are load carrying members of a frame, which are subjected to |
| A. | transverse loads |
| B. | axial tension loads |
| C. | axial compressive loads |
| D. | torsional loads. |
| Answer» C. axial compressive loads | |
| 287. |
A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be three times the maximum tensile stress, centre of gravity of the section from flange side is |
| A. | h/4 |
| B. | h/3 |
| C. | h/2 |
| D. | 2/3 h. |
| Answer» B. h/3 | |
| 288. |
An arch may be subjected to |
| A. | shear and axial force |
| B. | bending moment and shear force |
| C. | bending moment and axial force |
| D. | thrust, shear force and bending moment. |
| Answer» E. | |
| 289. |
Stress in a beam due to simple bending, is |
| A. | directly proportional |
| B. | inversely proportional |
| C. | curvilinearly related |
| D. | none of these. |
| Answer» B. inversely proportional | |
| 290. |
In a loaded beam, the point of con-traflexture occurs at a section where |
| A. | bending moment is minimum |
| B. | bending moment is zero or changes sign |
| C. | bending moment is maximum |
| D. | shearing force is maximum |
| Answer» C. bending moment is maximum | |
| 291. |
The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and |
| A. | moment of inertia |
| B. | polar moment of inertia |
| C. | polar modulus |
| D. | modulus of rigidly. |
| Answer» D. modulus of rigidly. | |
| 292. |
Every material obeys the Hooke's law within its |
| A. | elastic limit |
| B. | plastic point |
| C. | limit of proportionality |
| D. | none of these. |
| Answer» D. none of these. | |
| 293. |
n and j are numbers of members and joints in a frame. It contains redundant members if |
| A. | n = 2j - 3 |
| B. | n = 3j - 2 |
| C. | n < 2j - 3 |
| D. | n > 2j - 3 |
| Answer» E. | |
| 294. |
The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is called |
| A. | creeping |
| B. | yielding |
| C. | breaking |
| D. | none of these. |
| Answer» B. yielding | |
| 295. |
The bending moment is maximum on a section where shearing force |
| A. | is maximum |
| B. | is minimum |
| C. | is equal |
| D. | changes sign. |
| Answer» E. | |
| 296. |
The ratio of the maximum deflections of a beam simply supported at its ends with an isolated central load and that of with a uniformly distributed load over its entire length, is |
| A. | 1 |
| B. | 15/24 |
| C. | 24/15 |
| D. | 2/3 |
| Answer» D. 2/3 | |
| 297. |
A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be |
| A. | 3° |
| B. | 45° |
| C. | 60° |
| D. | 120° |
| Answer» E. | |
| 298. |
For a stable frame structure, number of members required, is |
| A. | three times the number of joints minus three |
| B. | twice the number of joints minus three |
| C. | twice the number of joints minus two |
| D. | twice the number of joints minus one |
| Answer» C. twice the number of joints minus two | |
| 299. |
Along the principal plan subjected to maximum principal stress |
| A. | maximum shear stress acts |
| B. | minimum shear stress acts |
| C. | no shear stress acts |
| D. | none of these. |
| Answer» D. none of these. | |
| 300. |
If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called |
| A. | chain riveting |
| B. | zig-zag riveting |
| C. | diamond riveting |
| D. | none of these. |
| Answer» D. none of these. | |