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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.
| 1. |
A three hinged parabolic arch rib is acted upon by a single load at the left quarter point. If the central rise is increased and the shape of arch altered to segmental without changing the other details, the horizontal thrust will |
| A. | increase definitely |
| B. | decrease definitely |
| C. | be difficult to predict |
| D. | increase or decrease depending upon the radius of the segmental arch |
| Answer» C. be difficult to predict | |
| 2. |
Change in length of the rod due to change in temperature depends on… |
| A. | original length |
| B. | change in temperature |
| C. | coefficient of thermal expansion |
| D. | all of above |
| Answer» E. | |
| 3. |
According to Eddy's theorem, the vertical intercept between the linear arch and the centreline of actual arch at any point represents to some scale |
| A. | bending moment |
| B. | shear force |
| C. | normal thrust |
| D. | deflection |
| Answer» B. shear force | |
| 4. |
A steel bar ABC (E = 200 GPa) is 1 m long. For AB = 0.7 m, it has cross section P area of 500 mm2 and for BC = 0.3 m the cross section area is 400 mm2. The bar is subjected to an axial pull of 100 kN. The stress is maximum in ___ _ |
| A. | ab |
| B. | bc |
| C. | same throughout |
| D. | none of these |
| Answer» C. same throughout | |
| 5. |
If the rivet value is 16.8 kN and force in the member is 16.3 kN, then the number of rivetsrequired for the connection of the member to a gusset plate is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 6. |
In a three hinged arch, the linear and the actual arch meet at |
| A. | at least three points |
| B. | at least two points |
| C. | all points irrespective of loading |
| D. | nowhere |
| Answer» B. at least two points | |
| 7. |
Modulus of elasticity is defined as the ratio of |
| A. | shear stress to shear strain |
| B. | linear stress to linear strain |
| C. | linear strain to lateral strain |
| D. | lateral strain to linear strain |
| Answer» C. linear strain to lateral strain | |
| 8. |
At a point in a strained body carrying two unequal unlike principal stresses pi and p2 (Pi >P2X the maximum shear stress is given by |
| A. | p,/2 |
| B. | p2/2 |
| C. | (p,-p2)/2 |
| D. | (p, + p2)/2 |
| Answer» E. | |
| 9. |
A steel strip is welded to a copper strip of the same dimensions along the length. The coefficient of thermal expansion for copper is greater than that for steel. If temperature is increased, ___ . |
| A. | copper has tensile stress |
| B. | steel has tensile stress |
| C. | both have tensile stress |
| D. | none of the above |
| Answer» C. both have tensile stress | |
| 10. |
If an axial force of 1 kN is applied to a steel rod of 100 mm2 cross section area, the stress in it will be ___ . |
| A. | 10mpa |
| B. | 10gpa |
| C. | 1mpa |
| D. | 1gpa |
| Answer» B. 10gpa | |
| 11. |
The Poisson’s ratio for steel varies from |
| A. | 0.21 to 0.25 |
| B. | 0.25 to 0.33 |
| C. | 0.33 to 0.38 |
| D. | 0.38 to 0.45 |
| Answer» C. 0.33 to 0.38 | |
| 12. |
While punching a hole in a metal sheet using a punch, stress is developed in the metal sheet. |
| A. | normal compressive |
| B. | normal tensile |
| C. | shear |
| D. | lateral |
| Answer» D. lateral | |
| 13. |
A beam of overall length / rests on two simple supports with equal overhangs on both sides. Two equal loads act at the free ends. If the deflection at the centre of the beam is the same as at either end, then the length of either overhang is |
| A. | 0 152 1 |
| B. | 0.207 1 |
| C. | 0.252 1 |
| D. | 0.277 1 |
| Answer» B. 0.207 1 | |
| 14. |
The tensile force at a distance y from support in a vertical hanging bar of length L whch carries a load P at the bottom is equal to---- where w = weight per unit length |
| A. | p |
| B. | p+wl |
| C. | p+w(l-y) |
| D. | p+wy |
| Answer» D. p+wy | |
| 15. |
Two beams, one of circular cross-section and other of square cross-section, have equal areasof cross-section. If subjected to bending |
| A. | circular section is more economical |
| B. | square section is more economical |
| C. | both sections are equally strong |
| D. | both sections are equally stiff |
| Answer» C. both sections are equally strong | |
| 16. |
The specimen in a Charpy impact test is supported as a |
| A. | cantilever beam |
| B. | simply supported beam |
| C. | fixed beam |
| D. | continuous beam |
| Answer» C. fixed beam | |
| 17. |
Thermal stress is developed in a temperature when _. |
| A. | allowed to expand freely |
| B. | not allowed to expand freely |
| C. | either a) or b) |
| D. | none of the above |
| Answer» C. either a) or b) | |
| 18. |
A three hinged arch is carrying uniformly distributed load over the entire span. The arch isfree from shear force and bending moment if its shape is |
| A. | circular |
| B. | parabolic |
| C. | elliptical |
| D. | none of the above |
| Answer» C. elliptical | |
| 19. |
The units of modulus of elasticity are the same as of |
| A. | stress |
| B. | modulus of rigidity |
| C. | pressure |
| D. | any of the above |
| Answer» E. | |
| 20. |
If the working load is one third of the ultimate load, the factor of safety is |
| A. | 0.333 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» C. 2 | |
| 21. |
The relation between E (modulus of elasticity) and C (modulus of rigidity) is given by |
| A. | e = c (1+µ) |
| B. | e =2 c (1+µ) |
| C. | e = c (1+2µ) |
| D. | e =2 c (1+2µ) |
| Answer» C. e = c (1+2µ) | |
| 22. |
The stress below which a material has a high probability of not failing under reversal ofstress is known as |
| A. | tolerance limit |
| B. | elastic limit |
| C. | proportional limit |
| D. | endurance limit |
| Answer» C. proportional limit | |
| 23. |
The basic perfect frame is a |
| A. | triangle |
| B. | rectangle |
| C. | square |
| D. | hexagon |
| Answer» B. rectangle | |
| 24. |
Of the several prismatic beams of equal lengths, the strongest in flexure is the one havingmaximum |
| A. | moment of inertia |
| B. | section modulus |
| C. | tensile strength |
| D. | area of cross-section |
| Answer» C. tensile strength | |
| 25. |
The factor of safety depends on i)Magnitude of external forceii) Properties of materialiii) Dimension of the componentiv) All of the above |
| A. | i) and ii) |
| B. | ii) and iii) |
| C. | i) , ii) and iii) |
| D. | iv |
| Answer» E. | |
| 26. |
For a Poisson's ratio of 0.4 for a material the ratio of shear modulus of elasticity to modulus of rigidity is |
| A. | 14/5 |
| B. | 5/7 |
| C. | 7/5 |
| D. | 5/14 |
| Answer» E. | |
| 27. |
The ratio of linear stress to linear strain is called as |
| A. | modulus of elasticity |
| B. | modulus of rigidity |
| C. | bulk modulus |
| D. | poisson's ratio |
| Answer» B. modulus of rigidity | |
| 28. |
The resistance to deformation of a body per unit area is known as |
| A. | stress |
| B. | strain |
| C. | modulus of elasticity |
| D. | modulus of rigidity |
| Answer» B. strain | |
| 29. |
The property of material by virtue of which a material can be beaten into plates is called |
| A. | ductility |
| B. | malleability |
| C. | resilience |
| D. | plasticity |
| Answer» C. resilience | |
| 30. |
The longitudinal stress developed in a rod of cross section area 50 mm2 is 100 MPa. The force acting along its axis is ------- |
| A. | 2n |
| B. | 2.5kn |
| C. | 5n |
| D. | 5.5kn |
| Answer» E. | |
| 31. |
A beam of uniform strength has at every cross-section same |
| A. | bending moment |
| B. | bending stress |
| C. | deflection |
| D. | stiffness |
| Answer» C. deflection | |
| 32. |
Hooke's law holds good up to.. |
| A. | yield point |
| B. | proportional limit |
| C. | plastic limit |
| D. | breaking point |
| Answer» C. plastic limit | |
| 33. |
If the deflection at the free end of a uniformly loaded cantilever beam is 15mm and the slope of the deflection curve at the free end is 0.02 radian, then the length of the beam is |
| A. | 0.8 m |
| B. | lm |
| C. | 1.2 m |
| D. | 1.5m |
| Answer» C. 1.2 m | |
| 34. |
A flat carrying a pull of 69C kN is con-nected to a gusset plate using rivets. If the pulls required to shear the rivet, to crush the rivet and to tear the plate per pitch length are 68.5 kN, 46 kN and 69 kN respectively, then the number of rivets required is |
| A. | 10 |
| B. | 12 |
| C. | 15 |
| D. | 20 |
| Answer» D. 20 | |
| 35. |
The modulus of elasticity of a material is 210 GPa and its Poisson's ratio is 0.4. The modulus of rigidity of the material is |
| A. | 210 |
| B. | 75 |
| C. | 350 |
| D. | 300 |
| Answer» C. 350 | |
| 36. |
The property of metal which allows it to deform continuously at slow rate without any further increase in stress is known as |
| A. | fatigue |
| B. | creep |
| C. | plasticity |
| D. | resilience |
| Answer» C. plasticity | |
| 37. |
A beam of square cross-section with side 100 mm is placed with one diagonal vertical. If the shear force acting on the section is 10 kN, the maximum shear stress is |
| A. | 1 N/mm2 |
| B. | 1.125 N/mm2 |
| C. | 2 N/mm2 |
| D. | 2.25 N/mm2 |
| Answer» C. 2 N/mm2 | |
| 38. |
Rankine's formula for column is valid when slenderness ratio |
| A. | lies between 0 and 140 |
| B. | lies between 0 and 100 |
| C. | is less than 80 |
| D. | has any value |
| Answer» E. | |
| 39. |
In a tensile test of specimen,the ratio of maximum load to the original cross sectional area of test piece is called |
| A. | yield stress |
| B. | ultimate stress |
| C. | safe stress |
| D. | breaking stress |
| Answer» C. safe stress | |
| 40. |
A prismatic beam of length 1 and fixed at both ends carries a uniformly distributed load. Thedistance of points of contraflexure from either end is |
| A. | 0.2071 |
| B. | 0.2111 |
| C. | 0.2771 |
| D. | 0.251 |
| Answer» C. 0.2771 | |
| 41. |
In a thin cylindrical shell, the ratio of longitudinal stress to hoop stress is |
| A. | 0.5 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» D. 4 | |
| 42. |
At a point in a steel member, the major principal stress is 2000 kg/cm2 and the minor principal stress is compressive. If the uni-axial tensile yield stress is 2500 kg/cm2, then the magnitude of the minor principal stress at which yielding will commence, according to the maximum shearing stress theory, is |
| A. | 1000 kg/cm2 |
| B. | 2000 kg/cm2 |
| C. | 2500 kg/cm2 |
| D. | 500 kg/cm2 |
| Answer» E. | |
| 43. |
Hooke's law holds good up to |
| A. | proportional limit |
| B. | yield point |
| C. | elastic limit |
| D. | plastic limit |
| Answer» B. yield point | |
| 44. |
Approximate value of Young's modulus for mild steel is |
| A. | 100gpa |
| B. | 205mpa |
| C. | 205gpa |
| D. | 100mpa |
| Answer» D. 100mpa | |
| 45. |
Impact test enables one to estimate the property of |
| A. | hardness |
| B. | toughness |
| C. | strength |
| D. | creep |
| Answer» C. strength | |
| 46. |
The property of material by virtue of which a body returns to its original shape after removal of load is known as |
| A. | ductility |
| B. | plasticity |
| C. | elasticity |
| D. | resilience |
| Answer» D. resilience | |
| 47. |
A flitched beam consists of a wooden joist 150 mm wide and 300 mm deep strengthened by steel plates 10 mm thick and 300 mm deep one on either side of the joist. If modulus of elasticity of steel is 20 times that of wood, then the width of equivalent wooden section will be |
| A. | 150 mm |
| B. | 350 mm |
| C. | 500 mm |
| D. | 550 mm |
| Answer» E. | |
| 48. |
The ratio between change in volume to original volume of body is called………… strain. |
| A. | tensile |
| B. | compressive |
| C. | shear |
| D. | volumetric |
| Answer» E. | |
| 49. |
When both ends of a column are fixed, the crippling load is P. If one end of the column is made free, the value of crippling load will be changed to |
| A. | P/16 |
| B. | P/4 |
| C. | P/2 |
| D. | 4P |
| Answer» B. P/4 | |
| 50. |
For the design of a cast iron member, the most appropriate theory of failure is |
| A. | Mohr's theory |
| B. | Rankine's theory |
| C. | Maximum strain theory |
| D. | Maximum shear energy theory |
| Answer» C. Maximum strain theory | |