MCQOPTIONS
Saved Bookmarks
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.
| 451. |
The section modulus of a rectangular section about an axis through its C.G., is |
| A. | b/2 |
| B. | d/2 |
| C. | bd2/2 |
| D. | bd2/6 |
| Answer» E. | |
| 452. |
The assumption made in the theory of the reinforced cement concrete beam is that |
| A. | all the tensile stresses are taken up by the steel reinforcement only |
| B. | there is a sufficient bond between steel and concrete |
| C. | the steel and concrete are stressed within its elastic limit |
| D. | all of the above |
| Answer» E. | |
| 453. |
The maximum deflection of a fixed beam carrying a central point load lies at |
| A. | fixed ends |
| B. | centre of beam |
| C. | l/3 from fixed ends |
| D. | none of these |
| Answer» C. l/3 from fixed ends | |
| 454. |
The distance between the centre of a rivet hole to the nearest edge of plate, is called |
| A. | margin |
| B. | pitch |
| C. | back pitch |
| D. | diagonal pitch |
| Answer» B. pitch | |
| 455. |
The unit of strain is |
| A. | N-mm |
| B. | N/mm |
| C. | mm |
| D. | no unit |
| Answer» E. | |
| 456. |
The maximum shear stress of a beam of triangular section occurs above the neutral axis, |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 457. |
According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is |
| A. | 1/4 |
| B. | 1/2 |
| C. | 1 |
| D. | 2 |
| Answer» D. 2 | |
| 458. |
Within elastic limit, shear stress is __________ shear strain. |
| A. | equal to |
| B. | less than |
| C. | directly proportional to |
| D. | inversely proportional to |
| Answer» D. inversely proportional to | |
| 459. |
The assumption, generally, made in the theory of simple bending is that |
| A. | the beam material is perfectly homogenous and isotropic |
| B. | the beam material is stressed within its elastic limit |
| C. | the plane sections before bending remain plane after bending |
| D. | all of the above |
| Answer» E. | |
| 460. |
The strength of the un-riveted or solid plate per pitch length is |
| A. | d.t.σc |
| B. | p.t.σt |
| C. | (p - d)t.σt |
| D. | π/2 x d2 x τ |
| Answer» C. (p - d)t.σt | |
| 461. |
For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section. ) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 462. |
The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is |
| A. | 30 GPa |
| B. | 50 GPa |
| C. | 80 GPa |
| D. | 100 GPa |
| Answer» C. 80 GPa | |
| 463. |
The unit of stress in S.I. units is |
| A. | N/mm² |
| B. | kN/mm² |
| C. | N/m² |
| D. | any one of these |
| Answer» E. | |
| 464. |
The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called |
| A. | compressive stress |
| B. | shear stress |
| C. | bending stress |
| D. | elastic modulus |
| Answer» D. elastic modulus | |
| 465. |
In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the |
| A. | normal stress remains constant in all directions |
| B. | normal stress varies linearly in the material |
| C. | elastic constants are same in all the directions |
| D. | elastic constants varies linearly in the material |
| Answer» D. elastic constants varies linearly in the material | |
| 466. |
A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at |
| A. | point A |
| B. | point B |
| C. | point C |
| D. | between points B and C |
| Answer» E. | |
| 467. |
When a body is subjected to a direct tensile stress (σ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle θ to the normal of the section is |
| A. | σ sin 2θ |
| B. | σ cos 2θ |
| C. | σ/2 sin 2θ |
| D. | σ/2 cos 2θ |
| Answer» D. σ/2 cos 2θ | |
| 468. |
The springs in cars are used to store strain energy. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 469. |
The slenderness ratio is the ratio of |
| A. | area of column to least radius of gyration |
| B. | length of column to least radius of gyration |
| C. | least radius of gyration to area of column |
| D. | least radius of gyration to length of column |
| Answer» C. least radius of gyration to area of column | |
| 470. |
In calculating the strength of a riveted joint in tearing, shearing and crushing, the |
| A. | actual diameter of rivet is used |
| B. | actual diameter of hole drilled for rivet is used |
| C. | mean diameter of hole drilled and rivet is used |
| D. | smaller of the rivet diameter and hole diameter is used |
| Answer» C. mean diameter of hole drilled and rivet is used | |
| 471. |
At the neutral axis of a beam, the shear stress is |
| A. | zero |
| B. | minimum |
| C. | maximum |
| D. | infinity |
| Answer» D. infinity | |
| 472. |
A body is subjected to two normal stresses 20 kN/m² (tensile) and 10 kN/m² (compressive) acting perpendicular to each other. The maximum shear stress is |
| A. | 5 kN/m² |
| B. | 10 kN/m² |
| C. | 15 kN/m² |
| D. | 20 kN/m² |
| Answer» D. 20 kN/m² | |
| 473. |
For riveting, the size of hole drilled in plates is __________ shank diameter of rivet. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» D. None of these | |
| 474. |
Hook's law holds good up to |
| A. | yield point |
| B. | elastic limit |
| C. | plastic limit |
| D. | breaking point |
| Answer» C. plastic limit | |
| 475. |
The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the free end. |
| A. | zero |
| B. | wl/4 |
| C. | wl/2 |
| D. | wl |
| Answer» B. wl/4 | |
| 476. |
A continuous beam is one which is |
| A. | fixed at both ends |
| B. | fixed at one end and free at the other end |
| C. | supported on more than two supports |
| D. | extending beyond the supports |
| Answer» D. extending beyond the supports | |
| 477. |
Poisson's ratio is the ratio of linear stein to the volumetric strain. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 478. |
If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to |
| A. | 2C |
| B. | 3C |
| C. | 2C/3 |
| D. | 3C/2 |
| Answer» D. 3C/2 | |
| 479. |
The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is |
| A. | in the vertical plane |
| B. | in the horizontal plane |
| C. | in the same plane in which the beam bends |
| D. | at right angle to the plane in which the beam bends |
| Answer» E. | |
| 480. |
In a thick cylindrical shell subjected to an internal pressure (p), the maximum radial stress at the inner surface of the shell is |
| A. | zero |
| B. | p (tensile) |
| C. | -p (compressive) |
| D. | 2p (tensile) |
| Answer» D. 2p (tensile) | |
| 481. |
The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length. |
| A. | equal to |
| B. | half |
| C. | one-third |
| D. | two-third |
| Answer» D. two-third | |
| 482. |
The ductility of the material __________ with the decrease in percentage elongation of a specimen under tensile test. |
| A. | increases |
| B. | decreases |
| C. | remains same |
| D. | None of these |
| Answer» C. remains same | |
| 483. |
The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A. |
| A. | same |
| B. | double |
| C. | four times |
| D. | six times |
| Answer» D. six times | |
| 484. |
A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension. |
| A. | True |
| B. | False |
| C. | May be true or false |
| D. | Can't say |
| Answer» C. May be true or false | |
| 485. |
The hoop stress in a thin cylindrical shell is |
| A. | longitudinal stress |
| B. | compressive stress |
| C. | radial stress |
| D. | circumferential tensile stress |
| Answer» E. | |
| 486. |
When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is |
| A. | compressive stress, tensile strain |
| B. | tensile stress, compressive strain |
| C. | tensile stress, tensile strain |
| D. | compressive stress, compressive strain |
| Answer» D. compressive stress, compressive strain | |
| 487. |
In a watch, the spring is used to store strain energy. This energy is released |
| A. | to stop the watch |
| B. | to run the watch |
| C. | to change the time |
| D. | all of these |
| Answer» C. to change the time | |
| 488. |
A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ 1/10. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» C. greater than | |
| 489. |
A simply supported beam 'A' of length l, breadth b and depth d carries a central point load W. Another bream 'B' has the same length and breadth but its depth is doubled. The deflection of beam 'B' will be double as compared to beam 'A'. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 490. |
In a beam subjected to pure bending, the intensity of stress in any fibre is __________ the distance of the fibre from the neutral axis. |
| A. | equal to |
| B. | less than |
| C. | more than |
| D. | directly proportional to |
| Answer» E. | |
| 491. |
In the below figure, curve C represents soft brass. |
| A. | True |
| B. | False |
| C. | May be true or false |
| D. | None of the above |
| Answer» C. May be true or false | |
| 492. |
Modulus of resilience is the proof resilience per unit volume of a material. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 493. |
The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 494. |
In the below figure, the point E represents the maximum stress. |
| A. | True |
| B. | False |
| C. | May be true or false |
| D. | Can't say |
| Answer» C. May be true or false | |
| 495. |
A localised compressive stress at the area of contact between two members is known as |
| A. | tensile stress |
| B. | bending stress |
| C. | crushing stress |
| D. | shear stress |
| Answer» D. shear stress | |
| 496. |
According to Unwin's formula, the relation between diameter of rivet hole (d) and thickness of plate (t) is given by (where d and t are in mm) |
| A. | d = t |
| B. | d = 1.6 t |
| C. | d = 2t |
| D. | d = 6 t |
| Answer» E. | |
| 497. |
In spring balances, the spring is used |
| A. | to apply forces |
| B. | to measure forces |
| C. | to absorb shocks |
| D. | to store strain energy |
| Answer» C. to absorb shocks | |
| 498. |
A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is |
| A. | 1/2 |
| B. | 1 |
| C. | 1/1.12 |
| D. | 1/2 |
| Answer» D. 1/2 | |
| 499. |
A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at |
| A. | apex of the triangle |
| B. | mid of the height |
| C. | centre of gravity of the triangle |
| D. | base of the triangle |
| Answer» C. centre of gravity of the triangle | |
| 500. |
A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the |
| A. | top of the section |
| B. | bottom of the section |
| C. | neutral axis of the section |
| D. | junction of web and flange |
| Answer» D. junction of web and flange | |