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.
| 351. |
The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test. |
| A. | increases |
| B. | decreases |
| C. | remains same |
| D. | None of these |
| Answer» B. decreases | |
| 352. |
In a leaf spring, the deflection at the centre is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 353. |
The bending moment at the ends of a simply supported beam will be zero. |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» B. No | |
| 354. |
A pressure vessel is said to be a thick shell, when |
| A. | it is made of thick sheets |
| B. | the internal pressure is very high |
| C. | the ratio of wall thickness of the vessel to its diameter is less than 1/10. |
| D. | the ratio of wall thickness of the vessel to its diameter is greater than 1/10. |
| Answer» E. | |
| 355. |
The total strain energy stored in a body is called proof resilience. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 356. |
The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 357. |
The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a |
| A. | point load at the free end |
| B. | point load at the middle of its length |
| C. | uniformly distributed load over the whole length |
| D. | none of the above |
| Answer» D. none of the above | |
| 358. |
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 | |
| 359. |
The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be |
| A. | a horizontal line |
| B. | a vertical line |
| C. | an inclined line |
| D. | a parabolic curve |
| Answer» E. | |
| 360. |
The springs in brakes and clutches are used to |
| A. | to apply forces |
| B. | to measure forces |
| C. | to store strain energy |
| D. | to absorb shocks |
| Answer» B. to measure forces | |
| 361. |
The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress. |
| A. | equal to |
| B. | 4/3 times |
| C. | 1.5 times |
| D. | twice |
| Answer» D. twice | |
| 362. |
A thin cylindrical shell of diameter (d), length (l) and thickness (t)is subjected to an internal pressure (p). The hoop stress in the shell is |
| A. | pd/t |
| B. | pd/2t |
| C. | pd/4t |
| D. | pd/6t |
| Answer» C. pd/4t | |
| 363. |
The unit of modulus of elasticity is same as those of |
| A. | stress, strain and pressure |
| B. | stress, force and modulus of rigidity |
| C. | strain, force and pressure |
| D. | stress, pressure and modulus of rigidity |
| Answer» E. | |
| 364. |
The planes, which carry no shear stress, are known as principal planes. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 365. |
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 |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 366. |
Factor of safety is defined as the ratio of |
| A. | ultimate stress to working stress |
| B. | working stress to ultimate stress |
| C. | breaking stress to ultimate stress |
| D. | ultimate stress to breaking stress |
| Answer» B. working stress to ultimate stress | |
| 367. |
The bending moment in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length is |
| A. | zero |
| B. | wl²/2 |
| C. | wl²/4 |
| D. | wl²/8 |
| Answer» E. | |
| 368. |
A body is subjected to a direct tensile stress (σ) in one plane. The shear stress is maximum at a section inclined at __________ to the normal of the section. |
| A. | 45° and 90° |
| B. | 45° and 135° |
| C. | 60° and 150° |
| D. | 30° and 135° |
| Answer» C. 60° and 150° | |
| 369. |
The torque transmitted by a hollow shaft of outer diameter (D) and inner diameter (d) is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 370. |
A simply supported beam is one which is supported on more than two supports. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 371. |
In the above question, the normal stress on an oblique section will be maximum, when θ is equal to |
| A. | 0° |
| B. | 30° |
| C. | 45° |
| D. | 90° |
| Answer» B. 30° | |
| 372. |
The pull required to shear off a rivet, in double shear, per pitch length is |
| A. | π/4 x d2 x σt |
| B. | π/4 x d2 x τ |
| C. | π/2 x d2 x σt |
| D. | π/2 x d2 x τ |
| Answer» E. | |
| 373. |
The ratio of linear stress to the linear strain is called |
| A. | modulus of rigidity |
| B. | modulus of elasticity |
| C. | bulk modulus |
| D. | Poisson's ratio |
| Answer» C. bulk modulus | |
| 374. |
On one side of a neutral axis of a beam, there is a tensile stress and on the other side of the beam there is a compressive stress. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of these |
| Answer» B. Disagree | |
| 375. |
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 |
| C. | Can't say |
| D. | None of these |
| Answer» B. Disagree | |
| 376. |
A shaft revolving at ω rad / s transmits torque (T) in N-m. The power developed is |
| A. | T.ω watts |
| B. | 2 π Tω watts |
| C. | watts |
| D. | watts |
| Answer» B. 2 π Tω watts | |
| 377. |
The ratio of the largest load in a test to the original cross-sectional area of the test piece is called |
| A. | elastic limit |
| B. | yield stress |
| C. | ultimate stress |
| D. | breaking stress |
| Answer» D. breaking stress | |
| 378. |
A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of |
| A. | 1/d |
| B. | 1/D |
| C. | D/d |
| D. | d/D |
| Answer» D. d/D | |
| 379. |
A simply supported beam 'A' of length l, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be __________ as that of beam 'A'. |
| A. | one-fourth |
| B. | one-half |
| C. | double |
| D. | four times |
| Answer» D. four times | |
| 380. |
The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the fixed end. |
| A. | zero |
| B. | wl/4 |
| C. | wl/2 |
| D. | wl |
| Answer» E. | |
| 381. |
Modular ratio of the two materials is the ratio of |
| A. | linear stress to linear strain |
| B. | shear stress to shear strain |
| C. | their modulus of elasticities |
| D. | their modulus of rigidities |
| Answer» D. their modulus of rigidities | |
| 382. |
The deformation of the bar per unit length in the direction of the force is known as |
| A. | linear strain |
| B. | lateral strain |
| C. | volumetric strain |
| D. | shear strain |
| Answer» B. lateral strain | |
| 383. |
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. | |
| 384. |
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 |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 385. |
Strain is equal to (where l = Original length, and δl = Change in length) |
| A. | l/δl |
| B. | δl/l |
| C. | l.δl |
| D. | l + δl |
| Answer» C. l.δl | |
| 386. |
A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» B. less than | |
| 387. |
If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then |
| A. | the material A is more ductile than material B |
| B. | the material B is more ductile than material A |
| C. | the ductility of material A and B is equal |
| D. | the material A is brittle and material B is ductile |
| Answer» B. the material B is more ductile than material A | |
| 388. |
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, l = Original length of the body, A = Cross-sectional area of the body, and E = Young's modulus for the material of the body) |
| A. | P.I.A/E |
| B. | PI/AE |
| C. | E/P.I.A |
| D. | AE/PI |
| Answer» C. E/P.I.A | |
| 389. |
In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure |
| A. | lies in the centre of the beam |
| B. | lies at the ends of the beam |
| C. | depends upon the length of beam |
| D. | does not exist |
| Answer» E. | |
| 390. |
The maximum shear stress is equal to the radius of Mohr's circle. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 391. |
A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 392. |
When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under |
| A. | tensile stress |
| B. | compressive stress |
| C. | shear stress |
| D. | bending stress |
| Answer» D. bending stress | |
| 393. |
The stress developed in the material without any permanent set is called |
| A. | elastic limit |
| B. | yield stress |
| C. | ultimate stress |
| D. | breaking stress |
| Answer» B. yield stress | |
| 394. |
When a load on the free end of a cantilever beam is increased, failure will occur |
| A. | at the free end |
| B. | at the fixed end |
| C. | in the middle of the beam |
| D. | at a distance 2l/3 from free end |
| Answer» C. in the middle of the beam | |
| 395. |
When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis. |
| A. | equal to |
| B. | directly proportional to |
| C. | inversely proportional to |
| D. | independent of |
| Answer» C. inversely proportional to | |
| 396. |
In a stress-strain diagram as shown in the below figure, the curve A represents |
| A. | mild steel |
| B. | soft brass |
| C. | low carbon steel |
| D. | cold rolled steel |
| Answer» C. low carbon steel | |
| 397. |
An overhanging beam must overhang on both sides. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 398. |
The compression test is carried on __________ materials. |
| A. | ductile |
| B. | brittle |
| C. | malleable |
| D. | plastic |
| Answer» C. malleable | |
| 399. |
The unit of Young's modulus is same as that of stress. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 400. |
When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as |
| A. | Young's modulus |
| B. | modulus of rigidity |
| C. | bulk modulus |
| D. | Poisson's ratio |
| Answer» D. Poisson's ratio | |