MCQOPTIONS
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MCQOPTIONS
This section includes 208 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The shape factor of standard rolled beam section varies from |
| A. | 1.10 to 1.20 |
| B. | 1.20 to 1.30 |
| C. | 1.30 to 1.40 |
| D. | 1.40 to 1.50 |
| Answer» B. 1.20 to 1.30 | |
| 2. |
A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If αsteel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is |
| A. | 80 N/mm² |
| B. | 100 N/mm² |
| C. | 120 N/mm² |
| D. | 150 N/mm² |
| Answer» D. 150 N/mm² | |
| 3. |
A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is |
| A. | π |
| B. | π/2 |
| C. | π/3 |
| D. | π/4 |
| Answer» C. π/3 | |
| 4. |
Keeping breadth constant, depth of a cantilever of length l of uniform strength loaded with uniformly distributed load w varies from zero at the free end and |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 5. |
The normal and tangential components of stress on an inclined plane through θ° to the direction of the force, will be equal if θ is |
| A. | 45° |
| B. | 30° |
| C. | 60° |
| D. | 90° |
| Answer» B. 30° | |
| 6. |
A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm² and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are: |
| A. | σb = 10 N/mm², σs = 20 N/mm² |
| B. | σb = 8 N/mm², σs = 16 N/mm² |
| C. | σb = 6 N/mm², σs = 12 N/mm² |
| D. | σb = 5 N/mm², σs = 10 N/mm² |
| Answer» B. σb = 8 N/mm², σs = 16 N/mm² | |
| 7. |
If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: |
| A. | Q = S + F |
| B. | Q = S - F |
| C. | Q = F - S |
| D. | Q = S x F |
| Answer» E. | |
| 8. |
A short column (30 cm x 20 cm) carries a load P1 at 4 cm on one side and another load P2 at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be |
| A. | 2/3 |
| B. | 3/2 |
| C. | 8/5 |
| D. | 5/8 |
| Answer» D. 5/8 | |
| 9. |
The equivalent length is of a column of length L having both the ends fixed, is |
| A. | 2L |
| B. | L |
| C. | L/2 |
| D. | L/√2 |
| Answer» D. L/√2 | |
| 10. |
The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is |
| A. | 2π/15 |
| B. | 3π/16 |
| C. | 3π/8 |
| D. | π/16 |
| Answer» C. 3π/8 | |
| 11. |
The force in CD of the truss shown in given figure, is |
| A. | 3t compression |
| B. | 3t tension |
| C. | zero |
| D. | 1.5t compression |
| Answer» D. 1.5t compression | |
| 12. |
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm², the side of the rod, is |
| A. | 1 cm |
| B. | 1.5 cm |
| C. | 2 cm |
| D. | 2.5 cm |
| Answer» D. 2.5 cm | |
| 13. |
In plastic analysis, the shape factor for rectangular section, is |
| A. | 1.4 |
| B. | 1.5 |
| C. | 1.6 |
| D. | 1.7 |
| Answer» C. 1.6 | |
| 14. |
The normal component of a force inclined through θ° is obtained by multiplying the force by |
| A. | sin θ |
| B. | cos θ |
| C. | tan θ |
| D. | sin θ cos θ |
| Answer» E. | |
| 15. |
The force in BC of the truss shown in the given figure, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 16. |
A truss containing j joints and m members, will be a simple truss if |
| A. | m = 2j - 3 |
| B. | j = 2m - 3 |
| C. | m = 3j - 2 |
| D. | j = 3m - 2 |
| Answer» B. j = 2m - 3 | |
| 17. |
In plastic analysis, the shape factor for a triangular section, is |
| A. | 1.5 |
| B. | 1.34 |
| C. | 2.34 |
| D. | 2.5 |
| Answer» D. 2.5 | |
| 18. |
In plastic analysis, the shape factor for a circular section, is |
| A. | 1.5 |
| B. | 1.6 |
| C. | 1.7 |
| D. | 1.75 |
| Answer» D. 1.75 | |
| 19. |
For determining the support reactions at A and B of a three hinged arch, points B and C are joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» E. | |
| 20. |
In the truss shown in given figure, the force in member BD is |
| A. | 100 t compressive |
| B. | 100 t tensile |
| C. | zero |
| D. | indeterminate |
| Answer» B. 100 t tensile | |
| 21. |
If a concrete column 200 x 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and Es is 15 Ec |
| A. | 264 MN |
| B. | 274 MN |
| C. | 284 MN |
| D. | 294 MN |
| Answer» D. 294 MN | |
| 22. |
Pick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional to |
| A. | modulus of rigidity |
| B. | angle of twist |
| C. | reciprocal of the length of the shaft |
| D. | moment of inertia of the shaft section. |
| Answer» E. | |
| 23. |
A steel plate d x b is sandwiched rigidly between two timber joists each D x B/2 in section. The moment of resistance of the beam for the same maximum permissible stress σ in timber and steel will be (where Young's modulus of steel is m times that of the timber). |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 24. |
The assumption in the theory of bending of beams, is : |
| A. | material is homogeneous |
| B. | material is isotropic |
| C. | Young's modulus is same in tension as well as in compression |
| D. | all the above. |
| Answer» E. | |
| 25. |
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 x 10⁶ N/mm², the depth of the joist, is |
| A. | 200 mm |
| B. | 250 mm |
| C. | 300 mm |
| D. | 400 mm |
| Answer» E. | |
| 26. |
If the normal stresses due to longitudinal and transverse loads on a bar are σ1 and σ2 respectively, the tangential component of the stress on an inclined plane through θ°, the longitudinal load is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 27. |
m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if |
| A. | m = m1 + m2 |
| B. | m = m1 + m2 + 1 |
| C. | m = m1 + m2 + 2 |
| D. | m = m1 + m2 + 3 |
| Answer» E. | |
| 28. |
The equation of a parabolic arch of span l and rise h, is given by |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 29. |
The moment of inertia of a rectangular section of width B and depth D about an axis passing through C.G. and parallel to its width is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 30. |
If normal stresses due to longitudinal and transverse loads on a bar are σ1 and σ2 respectively, the normal component of the stress on an inclined plane θ° to the longitudinal load, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 31. |
In the truss shown in given figure the force in member DC is |
| A. | 100 t compressive |
| B. | 100 t tensile |
| C. | zero |
| D. | indeterminate |
| Answer» D. indeterminate | |
| 32. |
A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ω per unit run at the right end. The horizontal thrust is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 33. |
If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of elasticity stress and the depth of the neutral axis at section, then |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 34. |
By applying the static equations i.e. ΣH = 0, ΣV = 0 and ΣM = 0, to a determinate structure, we may determine |
| A. | supporting reactions only |
| B. | shear forces only |
| C. | bending moments only |
| D. | all the above. |
| Answer» E. | |
| 35. |
There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of |
| A. | 1 : 1 1/2 : 2 |
| B. | 2 : 1 1/2 : 1 |
| C. | 1 : 1 : 2 |
| D. | none of these. |
| Answer» D. none of these. | |
| 36. |
Total strain energy theory for the failure of a material at elastic limit, is known |
| A. | Guest's or Trecas' theory |
| B. | St. Venant's theory |
| C. | Rankine's theory |
| D. | Haig's theory |
| Answer» E. | |
| 37. |
The deflection of a uniform circular bar of diameter d and length l, which extends by an amount e under a tensile pull W, when it carries the same load at its mid-span, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 38. |
The force in EC of the truss shown in the given figure, is |
| A. | zero |
| B. | 5t tension |
| C. | 5t compression |
| D. | 4t tension |
| Answer» D. 4t tension | |
| 39. |
Shear centre of a half circular section of radius r and of constant thickness, lies at a distance of x from the centre where x is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 40. |
The deflection curve for the portal frame shown in the given figure is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 41. |
The force in AC of the truss shown in the given figure, is |
| A. | 5t tension |
| B. | 4t tension |
| C. | 4t compression |
| D. | 5t compression |
| Answer» C. 4t compression | |
| 42. |
If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 43. |
Ab and Ac are the cross sections of bronze and copper bars of equal length, σb, σc are their respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii). |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 44. |
The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is |
| A. | 1/7 |
| B. | 2/7 |
| C. | 3/7 |
| D. | 2/5 |
| Answer» C. 3/7 | |
| 45. |
The moment of inertia of a circular section about any diameter D, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 46. |
A simply supported beam A carries a point load at its midspan. An other identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be |
| A. | 2/3 |
| B. | 3/2 |
| C. | 5/8 |
| D. | 8/5 |
| Answer» E. | |
| 47. |
For calculating the allowable stress of long columns the following empirical formula, known as |
| A. | Straight line formula |
| B. | Parabolic formula |
| C. | Perry's formula |
| D. | Rankine's formula |
| Answer» C. Perry's formula | |
| 48. |
A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is : |
| A. | 4.0 mm |
| B. | 4.5 mm |
| C. | 5.0 mm |
| D. | 5.5 mm |
| Answer» D. 5.5 mm | |
| 49. |
If ΣH and ΣV are the algebraic sums of the forces resolved horizontally and vertically respectively, and ΣM is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon |
| A. | ΣH = 0 |
| B. | ΣV = 0 |
| C. | ΣM = 0 |
| D. | all the above. |
| Answer» E. | |
| 50. |
A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 x 10⁶ N/mm², the deflection of the free end, is |
| A. | 2 mm |
| B. | 3 mm |
| C. | 4 mm |
| D. | 5 mm |
| Answer» E. | |