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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.
| 301. |
Failure of riverted joints is due to |
| A. | Tearing of the plates between the rivet hole and the edge of the plate |
| B. | Tearing of plates between rivets |
| C. | Shearing of rivets |
| D. | All the above. |
| Answer» E. | |
| 302. |
The distance between the centres of adjacent rivets in the same row, is called |
| A. | pitch |
| B. | lap |
| C. | gauge |
| D. | staggered pitch. |
| Answer» B. lap | |
| 303. |
If the depth of a simply supported beam carrying an isolated load at its centre, is doubled, the deflection of the beam at the centre will be changed by a factor of |
| A. | 2 |
| B. | 1/2 |
| C. | 8 |
| D. | 1/8 |
| Answer» E. | |
| 304. |
A long vertical member, subjected to an axial compressive load, is called |
| A. | a column |
| B. | a strut |
| C. | a tie |
| D. | a stanchion |
| Answer» B. a strut | |
| 305. |
The maximum load to which a fillet joint of length L can be subjected to, is |
| A. | 0.7 x S x fillet size x L |
| B. | 2 x S x fillet size x L |
| C. | permissible shear stress x fillet size x L |
| D. | none of these |
| Answer» B. 2 x S x fillet size x L | |
| 306. |
Pick up the correct assumption of the theory of simple bending |
| A. | The value of the Young's modulus is the same in tension as well as in compression |
| B. | Transverse section of a beam remains plane before and after bending |
| C. | The material of the beam is homogeneous and isotropic |
| D. | All the above. |
| Answer» E. | |
| 307. |
Struts are load carrying members of a frame structure which are subjected to |
| A. | axial tension loads |
| B. | axial compressive loads |
| C. | torsional loads |
| D. | transverse loads. |
| Answer» C. torsional loads | |
| 308. |
A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of |
| A. | 8 |
| B. | 1/8 |
| C. | 1/2 |
| D. | 2 |
| Answer» D. 2 | |
| 309. |
The equivalent length of a column fixed at both ends, is |
| A. | 0.5 l |
| B. | 0.7 l |
| C. | l |
| D. | 2 l |
| Answer» B. 0.7 l | |
| 310. |
For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter |
| A. | d/2 |
| B. | d/3 |
| C. | d/4 |
| D. | d/8 |
| Answer» D. d/8 | |
| 311. |
A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is |
| A. | M |
| B. | M/2 |
| C. | M/3 |
| D. | ML/2 |
| Answer» B. M/2 | |
| 312. |
A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be |
| A. | WL |
| B. | WL/8 |
| C. | WL/24 |
| D. | WL/32 |
| Answer» E. | |
| 313. |
The phenomenon of slow growth of strain under a steady tensile stress, is called |
| A. | yielding |
| B. | creeping |
| C. | breaking |
| D. | none of these. |
| Answer» C. breaking | |
| 314. |
If the stress in each cross-section of a pillar is equal to its working stress, it is called |
| A. | body of equal |
| B. | body of equal section |
| C. | body of equal strength |
| D. | none of these. |
| Answer» D. none of these. | |
| 315. |
The ratio of the maximum deflection of a cantilever beam with an isolated load at its free end and with a uniformly distributed load over its entire length, is |
| A. | 1 |
| B. | 24/15 |
| C. | 3/8 |
| D. | 8/3 |
| Answer» E. | |
| 316. |
For structural analysis, Maxwell's reciprocal theorem can be applied to : |
| A. | plastic structures |
| B. | elastic structures |
| C. | symmetrical structures |
| D. | all the above. |
| Answer» C. symmetrical structures | |
| 317. |
The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a |
| A. | triangle |
| B. | rectangle |
| C. | parabola |
| D. | cubic parabola. |
| Answer» C. parabola | |
| 318. |
The property by which a body returns to its original shape after removal of the force, is called |
| A. | plasticity |
| B. | elasticity |
| C. | ductility |
| D. | malleability. |
| Answer» C. ductility | |
| 319. |
The section modulus of a rectangular section is proportional to |
| A. | area of the section |
| B. | square of the area of the section |
| C. | product of the area and depth |
| D. | product of the area and width |
| Answer» B. square of the area of the section | |
| 320. |
During a tensile test on a ductile material |
| A. | nominal stress at fracture is higher than the ultimate stress |
| B. | true stress at fracture is higher than the ultimate stress |
| C. | true stress at fracture is the same as the ultimate stress |
| D. | none of these. |
| Answer» C. true stress at fracture is the same as the ultimate stress | |
| 321. |
The neutral axis of a beam cross-section must |
| A. | pass through the centroid of the section |
| B. | be equidistant from the top of bottom films |
| C. | be an axis of symmetry of the section |
| D. | none of these. |
| Answer» B. be equidistant from the top of bottom films | |
| 322. |
If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes |
| A. | zero |
| B. | infinite |
| C. | maximum |
| D. | minimum. |
| Answer» C. maximum | |
| 323. |
The section modulus of a rectangular light beam 25 metres long is 12.500 cm³. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is |
| A. | 13.33 kg/cm² tensile |
| B. | 13.33 kg/cm² compressive |
| C. | 26.67 kg/cm² tensile |
| D. | 26.67 kg/cm² compressive |
| Answer» D. 26.67 kg/cm² compressive | |
| 324. |
Along the neutral axis of a simply supported beam |
| A. | fibres do not undergo strain |
| B. | fibres undergo minimum strain |
| C. | fibres undergo maximum strain |
| D. | none of these. |
| Answer» B. fibres undergo minimum strain | |
| 325. |
Shear force for a cantilever carrying a uniformly distributed load over its length, is |
| A. | triangle |
| B. | rectangle |
| C. | parabola |
| D. | cubic parabola. |
| Answer» C. parabola | |
| 326. |
A member which does not regain its original shape after removed of load producing deformation is said |
| A. | plastic |
| B. | elastic |
| C. | rigid |
| D. | none of these. |
| Answer» B. elastic | |
| 327. |
The reaction at the supports will be vertical to the plane of the support if the frame structure rests on |
| A. | roller supports |
| B. | free supports |
| C. | hinged supports |
| D. | all the above. |
| Answer» E. | |
| 328. |
The law which states, "within elastic limits strain produced is proportional to the stress producing it", is known as |
| A. | Bernoulli's law |
| B. | Stress law |
| C. | Hooke's law |
| D. | Poisson's law |
| Answer» D. Poisson's law | |
| 329. |
A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm². The depth of the beam is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm. |
| Answer» D. 30 cm. | |
| 330. |
A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at |
| A. | mid point of the cantilever |
| B. | fixed point of the cantilever |
| C. | 1/4th length from free end |
| D. | 3/4th length from free end |
| Answer» E. | |
| 331. |
In a shaft rotated by a couple, the shear force varies |
| A. | from zero at the centre to a maximum at the circumference |
| B. | from minimum at the centre of maximum at the circumference |
| C. | from maximum at the centre to zero at the circumference |
| D. | equally throughout the section |
| Answer» B. from minimum at the centre of maximum at the circumference | |
| 332. |
A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is |
| A. | 0.107 L |
| B. | 0.207 L |
| C. | 0.307 L |
| D. | 0.407 L |
| Answer» C. 0.307 L | |
| 333. |
In a solid arch, shear force acts |
| A. | vertically upwards |
| B. | along the axis of the arch |
| C. | perpendicular to the axis of arch |
| D. | tangentially to the arch |
| Answer» D. tangentially to the arch | |
| 334. |
In a continuous bending moment curve the point where it changes sign, is called |
| A. | point of inflexion |
| B. | point of contraflexture |
| C. | point of virtual hinge |
| D. | all the above. |
| Answer» E. | |
| 335. |
The maximum bending moment due to a moving load on a simply supported beam, occurs |
| A. | at the mid span |
| B. | at the supports |
| C. | under the load |
| D. | anywhere on the beam |
| Answer» D. anywhere on the beam | |
| 336. |
For a simply supported beam of length L, the bending moment M is described as M = a (x - x³/L²), 0 ≤ x < L; where a is a constant. The shear force will be zero at |
| A. | the supports |
| B. | x = L/2 |
| C. | x = L/√3 |
| D. | x = L/3 |
| Answer» D. x = L/3 | |
| 337. |
For a beam having fixed ends, the unknown element of the reactions, is |
| A. | horizontal components at either end |
| B. | vertical components at either end |
| C. | horizontal component at one end and vertical component at the other |
| D. | horizontal and vertical components at both the ends. |
| Answer» E. | |
| 338. |
The shiftness factor for a prismatic beam of length L and moment of inertia I, is |
| A. | IE/L |
| B. | 2IE/L |
| C. | 2IE/L |
| D. | 3IE/L |
| Answer» B. 2IE/L | |
| 339. |
A reinforced concrete beam is assumed to be made of |
| A. | homogeneous material |
| B. | heterogeneous material |
| C. | isotropic material |
| D. | none of these. |
| Answer» C. isotropic material | |
| 340. |
An arch with three hinges, is a structure |
| A. | statically determinate |
| B. | statically indeterminate |
| C. | geometrically unstable |
| D. | structurally sound but indeterminate |
| Answer» B. statically indeterminate | |
| 341. |
In a tension test, the yield stress is 300 kg/cm², in the octa hedral shear stress at the point is: |
| A. | 100 √2 kg/cm² |
| B. | 150 √2 kg/cm² |
| C. | 200 √2 kg/cm |
| D. | 250 √2 kg/cm². |
| Answer» B. 150 √2 kg/cm² | |
| 342. |
In a three hinged arch, the bending moment will be zero |
| A. | at right hinge only |
| B. | at left hinge only |
| C. | at both right and left hinges |
| D. | at all the three hinges. |
| Answer» E. | |
| 343. |
A beam is said to be of uniform strength, if |
| A. | B.M. is same throughout the beam |
| B. | deflection is same throughout the beam |
| C. | bending stress is same throughout the beam |
| D. | shear stress is same throughout the beam |
| Answer» D. shear stress is same throughout the beam | |
| 344. |
The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to |
| A. | r |
| B. | 1/r |
| C. | r² |
| D. | 1/r² |
| Answer» B. 1/r | |
| 345. |
If a shaft is simultaneously subjected to a toque T and a bending moment M, the ratio of maximum bending stress and maximum shearing stress is |
| A. | M/T |
| B. | T/M |
| C. | 2M/T |
| D. | 2T/M |
| Answer» D. 2T/M | |
| 346. |
If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. |
| A. | compressive force |
| B. | tensile force |
| C. | shear force |
| D. | bending moment. |
| Answer» B. tensile force | |
| 347. |
If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by |
| A. | 8 |
| B. | 1/8 |
| C. | 1/3 |
| D. | 2 |
| Answer» B. 1/8 | |
| 348. |
The type of butt joints in common use, is : |
| A. | single inverted V-butt joint |
| B. | double V-butt joint |
| C. | double U-butt joint |
| D. | single V-butt joint. |
| Answer» B. double V-butt joint | |
| 349. |
The maximum deflection of |
| A. | A |
| B. | B |
| C. | Both C and D |
| D. | All of these |
| Answer» E. | |
| 350. |
The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is |
| A. | 1/4 |
| B. | 1/2 |
| C. | 1/16 |
| D. | 15/16 |
| Answer» E. | |