MCQOPTIONS
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MCQOPTIONS
This section includes 126 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
While designing the pile as a column, the end conditions are nearly_______________? |
| A. | both ends hinged |
| B. | both ends fixed |
| C. | one end fixed and other end hinged |
| D. | one end fixed and other end free |
| Answer» D. one end fixed and other end free | |
| 2. |
Workability of concrete is directly proportional to________________? |
| A. | aggregate cement ratio |
| B. | time of transit |
| C. | grading of the aggregate |
| D. | all of above |
| Answer» D. all of above | |
| 3. |
Workability of concrete is inversely pro¬portional to______________? |
| A. | time of transit |
| B. | water-cement ratio |
| C. | the air in the mix |
| D. | size of aggregate |
| Answer» B. water-cement ratio | |
| 4. |
Which of the following R.C. retaining walls is suitable for heights beyond 6m ? |
| A. | L-shaped wall |
| B. | T-shaped wall |
| C. | counterfort type |
| D. | all of the above |
| Answer» D. all of the above | |
| 5. |
When shear stress exceeds the permissible limit in a slab, then it is reduced by____________? |
| A. | increasing the depth |
| B. | providing shear reinforcement |
| C. | using high strength steel |
| D. | using thinner bars but more in number |
| Answer» B. providing shear reinforcement | |
| 6. |
Ultimate strength of cold drawn high steel wires_______________? |
| A. | increases with increase in diameter of bar |
| B. | decreases with increase in diameter of bar |
| C. | does not depend on diameter of bar |
| D. | none of the above |
| Answer» C. does not depend on diameter of bar | |
| 7. |
To minimise the effect of differential settlement, the area of a footing should be designed for______________? |
| A. | dead load only |
| B. | dead load + live load |
| C. | dead load + fraction of live load |
| D. | live load + fraction of dead load |
| Answer» D. live load + fraction of dead load | |
| 8. |
To determine the modulus of rupture, the size of test specimen used is_______________? |
| A. | 150 x150 x500 mm |
| B. | 100 x100 x700 mm |
| C. | 150 x150 x700 mm |
| D. | 100 x100 x500 mm |
| Answer» D. 100 x100 x500 mm | |
| 9. |
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is______________? |
| A. | not needed |
| B. | provided equally on inner and front faces |
| C. | provided more on inner face than on front face |
| D. | provided more on front face than on inner face |
| Answer» E. | |
| 10. |
The strength of concrete after one year as compared to 28 days strength is about_______________? |
| A. | 10 to 15% more |
| B. | 15 to 20% more |
| C. | 20 to 25% more |
| D. | 25 to 50% more |
| Answer» D. 25 to 50% more | |
| 11. |
The slab is designed as one way if the ratio of long span to short span is_____________? |
| A. | less than 1 |
| B. | between 1 and 1.5 |
| C. | between 1.5 and 2 |
| D. | greater than 2 |
| Answer» E. | |
| 12. |
The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by_______________? |
| A. | fcr=0.35Vf7 |
| B. | fcr=0.57f7 |
| C. | fcr=0.7Vf7 |
| D. | fcr=1.2Vf7 |
| Answer» D. fcr=1.2Vf7 | |
| 13. |
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________? |
| A. | tcr – rcs = tct |
| B. | fcr>fcs>fc |
| C. | fcr |
| D. | fc5>fcr>fC |
| Answer» C. fcr | |
| 14. |
The recommended value of modular ratio for reinforced brick work is______________? |
| A. | 18 |
| B. | 30 |
| C. | 40 |
| D. | 58 |
| Answer» D. 58 | |
| 15. |
The ratio of the diameter of reinforcing bars and the slab thickness is_______________? |
| A. | 1/4 |
| B. | 1/5 |
| C. | 1/6 |
| D. | 1/8 |
| Answer» E. | |
| 16. |
The purpose of reinforcement in prestressed concrete is________________? |
| A. | to provide adequate bond stress |
| B. | to resist tensile stresses |
| C. | to impart initial compressive stress in concrete |
| D. | all of the above |
| Answer» D. all of the above | |
| 17. |
The property of the ingredients to separate from each other while placing the concrete is called____________? |
| A. | segregation |
| B. | compaction |
| C. | shrinkage |
| D. | bulking |
| Answer» B. compaction | |
| 18. |
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called________________? |
| A. | segregation |
| B. | bleeding |
| C. | bulking |
| D. | creep |
| Answer» C. bulking | |
| 19. |
The permissible diagonal tensile stress in reinforced brick work is_____________? |
| A. | about 0.1 N/mm2 |
| B. | zero |
| C. | 0.3 N/mm2 to 0.7 N/mm2 |
| D. | about 1.0 N/mm2 |
| Answer» B. zero | |
| 20. |
The percentage of voids in cement is approximately_______________? |
| A. | 25% |
| B. | 40% |
| C. | 60% |
| D. | 80% |
| Answer» C. 60% | |
| 21. |
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________? |
| A. | 0.15 |
| B. | 0.12 |
| C. | 0.30 |
| D. | 1.00 |
| Answer» C. 0.30 | |
| 22. |
The most commonly used admixture which prolongs the setting and hardening time is_______________? |
| A. | gypsum |
| B. | calcium chloride |
| C. | sodium silicate |
| D. | all of the above |
| Answer» B. calcium chloride | |
| 23. |
The minimum diameter of longitudinal bars in a column is________________? |
| A. | 6 mm |
| B. | 8 mm |
| C. | 12 mm |
| D. | 16 mm |
| Answer» D. 16 mm | |
| 24. |
The minimum cover to the ties or spirals should not be less than________________? |
| A. | 15 mm |
| B. | 20 mm |
| C. | 25 mm |
| D. | 50mm |
| Answer» D. 50mm | |
| 25. |
The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________? |
| A. | 10 mm |
| B. | 15 mm |
| C. | 25 mm |
| D. | 13 mm |
| Answer» C. 25 mm | |
| 26. |
The maximum value of hoop compression in a dome is given by___________________? |
| A. | wR / 4d |
| B. | wR/2d |
| C. | wR/d |
| D. | 2wR/d |
| Answer» C. wR/d | |
| 27. |
The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on_______________?_x005F_x000D_1. top face parallel to the wall_x005F_x000D_2. top face perpendicular to the wall_x005F_x000D_3. bottom face paralleUo the wall_x005F_x000D_4. bottom face perpendicular to the wall_x005F_x000D_The correct answer is ? |
| A. | only (2) is correct |
| B. | (1) and (2)are correct |
| C. | (3) and (4) are correct |
| D. | only (4) is correct |
| Answer» E. | |
| 28. |
The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on______________? |
| A. | top face perpendicular to wall |
| B. | bottom face perpendicular to wall |
| C. | both top and bottom faces perpendicular to wall |
| D. | none of the above |
| Answer» B. bottom face perpendicular to wall | |
| 29. |
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone_________________? |
| A. | compressive stress |
| B. | shear stress |
| C. | bond stress |
| D. | tensile stress |
| Answer» D. tensile stress | |
| 30. |
The load factors for live load and dead load are taken respectively as_________________? |
| A. | 1.5 and 2.2 |
| B. | 2.2 and 1.5 |
| C. | 1.5 and 1.5 |
| D. | 2.2 and 2.2 |
| Answer» C. 1.5 and 1.5 | |
| 31. |
The load carrying capacity of a helically reinforced column as compared to that of a tied column is about________________? |
| A. | 5% less |
| B. | 10% less |
| C. | 5% more |
| D. | 10% more |
| Answer» D. 10% more | |
| 32. |
The limits of percentage p of the longitudinal reinforce-ment in a column is given by_____________? |
| A. | 0.15% to 2% |
| B. | 0.8% to 4% |
| C. | 0.8% to 6% |
| D. | 0.8% to 8% |
| Answer» D. 0.8% to 8% | |
| 33. |
The individual variation between test strength of sample should not be more than______________? |
| A. | ±5% of average |
| B. | ± 10% of average |
| C. | ± 15% of average |
| D. | ±20% of average |
| Answer» D. ±20% of average | |
| 34. |
The fineness modulus of fine aggregate is in the range of______________? |
| A. | 2.0 to 3.5 |
| B. | 3.5 to 5.0 |
| C. | 5.0 to 7.0 |
| D. | 6.0 to 8.5 |
| Answer» B. 3.5 to 5.0 | |
| 35. |
The factor of safety for______________? |
| A. | steel and concrete are same |
| B. | steel is lower than that for concrete |
| C. | steel is higher than that for concrete |
| D. | none of the above |
| Answer» C. steel is higher than that for concrete | |
| 36. |
The effect of creep on modular ratio is__________________? |
| A. | to decrease it |
| B. | to increase it |
| C. | either to decrease or to increase it |
| D. | to keep it unchanged |
| Answer» C. either to decrease or to increase it | |
| 37. |
The effect of adding calcium chloride in concrete is________________?_x005F_x000D_1. to increase shrinkage_x005F_x000D_2. to decrease shrinkage_x005F_x000D_3. to increase setting time_x005F_x000D_4. to decrease setting time_x005F_x000D_The correct answer is? |
| A. | (1) and (3) |
| B. | (1)and(4) |
| C. | (2)and (3) |
| D. | (2)and (4) |
| Answer» C. (2)and (3) | |
| 38. |
The diameter of ties in a column should be_______________? |
| A. | more than or equal to one fourth of diameter of main bar |
| B. | more than or equal to 5 mm |
| C. | more than 5 mm but less than one-fourth of diameter of main bar |
| D. | more than 5 mm and also more than one-fourth of diameter of main bar |
| Answer» E. | |
| 39. |
The design yield stress of steel according to IS: 456-1978 is_______________? |
| A. | 0.37 fy |
| B. | 0.57 fy |
| C. | 0.67 fy |
| D. | 0.87 fy |
| Answer» E. | |
| 40. |
The depth of footing for an isolated column is governed by______________?_x005F_x000D_1. maximum bending moment_x005F_x000D_2. shear force_x005F_x000D_3. punching shear_x005F_x000D_The correct answer is? |
| A. | only (1) |
| B. | (1) and (2) |
| C. | (1) and (3) |
| D. | (1), (2) and (3) |
| Answer» E. | |
| 41. |
The critical section for finding maximum bending moment for footing under masonry wall is located_______________? |
| A. | at the middle of the wall |
| B. | at the edge of the wall |
| C. | halfway between the middle and edge of the wall |
| D. | at a distance equal to effective depth of footing from the edge of the wall |
| Answer» D. at a distance equal to effective depth of footing from the edge of the wall | |
| 42. |
The compressive strength of 100 mm cube as compared to 150 mm cube is always_______________? |
| A. | less |
| B. | more |
| C. | equal |
| D. | none of the above |
| Answer» C. equal | |
| 43. |
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of__________________? |
| A. | 0.367 xu |
| B. | 0.416 xu |
| C. | 0.446 xu |
| D. | 0.573 xu |
| Answer» C. 0.446 xu | |
| 44. |
The average permissible stress in bond for plain bars in tension is_______________? |
| A. | increased by 10% for bars in compression |
| B. | increased by 25% for bars in compression |
| C. | decreased by 10% for bars in compression |
| D. | decreased by 25% for bars in compression |
| Answer» C. decreased by 10% for bars in compression | |
| 45. |
The approximate value of the ratio between direct tensile strength and flexural strength is_____________? |
| A. | 0.33 |
| B. | 0.5 |
| C. | 0.75 |
| D. | 1.0 |
| Answer» C. 0.75 | |
| 46. |
Ratio of permissible stress in direct compression and bending compression is______________? |
| A. | less than 1 |
| B. | between 1 and 1.5 |
| C. | between 1.5 and 2.0 |
| D. | greater than 2 |
| Answer» B. between 1 and 1.5 | |
| 47. |
Prestress loss due to friction occurs________________? |
| A. | only in post-tensioned beams |
| B. | only in pretensioned beams |
| C. | in both post-tensioned and preten-sioned beams |
| D. | none of the above |
| Answer» B. only in pretensioned beams | |
| 48. |
Poisson’s ratio for concrete_______________? |
| A. | remains constant |
| B. | increases with richer mixes |
| C. | decreases with richer mixes |
| D. | none of the above |
| Answer» C. decreases with richer mixes | |
| 49. |
One of the criteria for the effecvve width of flange of T-beam is bf =—+ bw +6Df 6 In above formula, l0 signifies_______________? |
| A. | effective span of T-beam |
| B. | distance between points of zero moments in the beam |
| C. | distance between points of maximum moments in the beam |
| D. | clear span of the T-beam |
| Answer» C. distance between points of maximum moments in the beam | |
| 50. |
Normally prestressing wires are arranged in the_______________? |
| A. | upper part of the beam |
| B. | lower part of the beam |
| C. | center |
| D. | anywhere |
| Answer» C. center | |