McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 1. |
Steel is mainly an alloy of |
| A. | iron and carbon |
| B. | sulphur and zinc |
| C. | zinc and tin |
| D. | phosphorous and tin |
| Answer» A. iron and carbon | |
| 2. |
Which of the following is a disadvantage of Steel? |
| A. | high strength per unit mass |
| B. | high durability |
| C. | fire and corrosion resistance |
| D. | reusable |
| Answer» C. fire and corrosion resistance | |
| 3. |
Elastic Modulus of Steel is |
| A. | 1.5 x 109 n/mm2 |
| B. | 2.0 x 105 n/mm2 |
| C. | 2.0 x 105 n/m2 |
| D. | 1.5 x 109 n/m2 |
| Answer» B. 2.0 x 105 n/mm2 | |
| 4. |
Poisson’s ratio of steel is |
| A. | 0.1 |
| B. | 1.0 |
| C. | 0.3 |
| D. | 2.0 |
| Answer» C. 0.3 | |
| 5. |
Structural Steel normally has carbon content less than |
| A. | 1.0% |
| B. | 0.6% |
| C. | 3.0% |
| D. | 5.0% |
| Answer» B. 0.6% | |
| 6. |
What happens when Manganese is added to steel? |
| A. | decreases strength and hardness of steel |
| B. | improves corrosion resistance |
| C. | decreases ductility |
| D. | improves strength and hardness of steel |
| Answer» D. improves strength and hardness of steel | |
| 7. |
Phosphorous in Steel ? |
| A. | yields high strength |
| B. | affects weldability |
| C. | increases resistance to corrosion |
| D. | improves resistance to high temperature |
| Answer» B. affects weldability | |
| 8. |
Which of the following is added to steel to increase resistance to corrosion? |
| A. | carbon |
| B. | manganese |
| C. | sulphur |
| D. | copper |
| Answer» D. copper | |
| 9. |
(i) tensile strength and yield property (ii) Ductility (iii) Welding (iv) Corrosion resistance |
| A. | i and ii only |
| B. | i and iii only |
| C. | i, ii, iii |
| D. | i and iv only |
| Answer» C. i, ii, iii | |
| 10. |
Chrome and Nickel are added to Steel to improve |
| A. | corrosion resistance and high temperature resistance |
| B. | strength |
| C. | ductility |
| D. | weldablity |
| Answer» A. corrosion resistance and high temperature resistance | |
| 11. |
What does R.C.C. stand for? |
| A. | reinforced cement concrete |
| B. | reinforced concrete cement |
| C. | reinforced combined cement |
| D. | reinforced constituent cement |
| Answer» A. reinforced cement concrete | |
| 12. |
The maximum area of tension reinforcement in beams shall not exceed |
| A. | 2% |
| B. | 4% |
| C. | 0.15% |
| D. | 1.5% |
| Answer» B. 4% | |
| 13. |
Thickened part of a flat slab over its supporting column, is technically known as |
| A. | drop panel |
| B. | capital |
| C. | column head |
| D. | cannot be determined |
| Answer» A. drop panel | |
| 14. |
The minimum cube strength of concrete used for a prestressed member, is |
| A. | 50 kg/cm2 |
| B. | 150 kg/cm2 |
| C. | 350 kg/cm2 |
| D. | 100 kg/cm2 |
| Answer» C. 350 kg/cm2 | |
| 15. |
For initial estimate for a beam design, the width is assumed |
| A. | 1/15th of span |
| B. | 1/10th of span |
| C. | 1/20th of span |
| D. | 1/30th of span |
| Answer» D. 1/30th of span | |
| 16. |
A foundation rests on |
| A. | base of the foundation |
| B. | subgrade |
| C. | foundation soil |
| D. | base of the foundation, subgrade and foundation soil |
| Answer» D. base of the foundation, subgrade and foundation soil | |
| 17. |
Which of the following is correct criteria to be considered while designing? |
| A. | structure should be aesthetically pleasing but structurally unsafe |
| B. | structure should be cheap in cost even though it may be structurally unsafe |
| C. | structure should be structurally safe but less durable |
| D. | structure should be adequately safe, should have adequate serviceability |
| Answer» D. structure should be adequately safe, should have adequate serviceability | |
| 18. |
What is serviceability? |
| A. | it refers to condition when structure is not usable |
| B. | it refers to services offered in the structure |
| C. | it means that the structure should perform satisfactorily under different loads, without discomfort to user |
| D. | it means that structure should be economically viable |
| Answer» C. it means that the structure should perform satisfactorily under different loads, without discomfort to user | |
| 19. |
Analysis is referred to |
| A. | determination of cost of structure |
| B. | determination of axial forces, bending moment, shear force etc. |
| C. | determination of factor of safety |
| D. | drafting architectural plans and drawings |
| Answer» B. determination of axial forces, bending moment, shear force etc. | |
| 20. |
The structure is statically indeterminate when |
| A. | static equilibrium equations are insufficient for determining internal forces and reactions on that structure |
| B. | static equilibrium equations are sufficient for determining internal forces and reactions on that structure |
| C. | structure is economically viable |
| D. | structure is environment friendly |
| Answer» A. static equilibrium equations are insufficient for determining internal forces and reactions on that structure | |
| 21. |
Which of the following is one of the methods of analysis prescribed in the code for steel structures? |
| A. | hinge analysis |
| B. | limit analysis |
| C. | roller analysis |
| D. | dynamic analysis |
| Answer» D. dynamic analysis | |
| 22. |
Which method is mainly adopted for design of steel structures as per IS code? |
| A. | limit state method |
| B. | working stress method |
| C. | ultimate load method |
| D. | earthquake load method |
| Answer» A. limit state method | |
| 23. |
Which IS code is used for general construction of steel? |
| A. | is 456 |
| B. | is 256 |
| C. | is 800 |
| D. | is 100 |
| Answer» C. is 800 | |
| 24. |
Which of the following relation is correct? |
| A. | permissible stress = yield stress x factor of safety |
| B. | permissible stress = yield stress / factor of safety |
| C. | yield stress = permissible stress / factor of safety |
| D. | permissible stress = yield stress – factor of safety |
| Answer» B. permissible stress = yield stress / factor of safety | |
| 25. |
In Working Stress Method, which of the following relation is correct? |
| A. | working stress ≤ permissible stress |
| B. | working stress ≥ permissible stress |
| C. | working stress = permissible stress |
| D. | working stress > permissible stress |
| Answer» A. working stress ≤ permissible stress | |
| 26. |
(i) tension members, (ii) long column, (iii) short column, (iv) connections |
| A. | i < ii < iii < iv |
| B. | i < iv < ii < iii |
| C. | i = iii < ii < iv |
| D. | iv = i < iii < ii |
| Answer» C. i = iii < ii < iv | |
| 27. |
What is Load Factor? |
| A. | ratio of working load to ultimate load |
| B. | product of working load and ultimate load |
| C. | product of working load and factor of safety |
| D. | ratio of ultimate load to working load |
| Answer» D. ratio of ultimate load to working load | |
| 28. |
Which of the following is not a main element of framed structure? |
| A. | beam |
| B. | column |
| C. | shear connector |
| D. | lattice member |
| Answer» C. shear connector | |
| 29. |
Which of the following are subjected to both axial loads and bending moments? |
| A. | beam-column |
| B. | column |
| C. | lattice member |
| D. | beam |
| Answer» A. beam-column | |
| 30. |
How much percentage increase of permissible stress is allowed when dead load, live load and wind load are considered together in working stress method? |
| A. | 50% |
| B. | 33% |
| C. | 40% |
| D. | 60% |
| Answer» B. 33% | |
| 31. |
Limit State Method is based on |
| A. | calculations on service load conditions alone |
| B. | calculations on ultimate load conditions alone |
| C. | calculations at working loads and ultimate loads |
| D. | calculations on earthquake loads |
| Answer» C. calculations at working loads and ultimate loads | |
| 32. |
What is limit state? |
| A. | acceptable limits for safety and serviceability requirements before failure occurs |
| B. | acceptable limits for safety and serviceability requirements after failure occurs |
| C. | acceptable limits for safety after failure occurs |
| D. | acceptable limits for serviceability after failure occurs |
| Answer» A. acceptable limits for safety and serviceability requirements before failure occurs | |
| 33. |
Which of the following format is used in limit state method? |
| A. | single safety factor |
| B. | multiple safety factor |
| C. | load factor |
| D. | wind factor |
| Answer» B. multiple safety factor | |
| 34. |
Which of the following factors is included in the limit state of strength? |
| A. | fire |
| B. | failure by excessive deformation |
| C. | corrosion |
| D. | repairable damage or crack due to fatigue |
| Answer» B. failure by excessive deformation | |
| 35. |
What is permanent action according to classification of actions by IS code? |
| A. | due to self weight |
| B. | due to construction and service stage loads |
| C. | due to accidents |
| D. | due to earthquake loads |
| Answer» A. due to self weight | |
| 36. |
What is variable action according to classification of actions by IS code? |
| A. | due to self weight |
| B. | due to accidents |
| C. | due to construction and service stage loads |
| D. | due to earthquake loads |
| Answer» C. due to construction and service stage loads | |
| 37. |
Which of the following criteria is to be satisfied in selection of member in limit state method? |
| A. | factored load > factored strength |
| B. | factored load ≤ factored strength |
| C. | factored load ≥ factored strength |
| D. | sometimes factored load < factored strength (or) factored load > factored strength |
| Answer» B. factored load ≤ factored strength | |
| 38. |
The partial factor of safety for resistance governed by yielding is : |
| A. | 1.10 |
| B. | 1.5 |
| C. | 2.0 |
| D. | 1.25 |
| Answer» A. 1.10 | |
| 39. |
The partial factor of safety for resistance governed by ultimate strength is : |
| A. | 1.10 |
| B. | 1.5 |
| C. | 2.0 |
| D. | 1.25 |
| Answer» D. 1.25 | |
| 40. |
In the case of composite sections, the percentage of tensioned reinforcement is less than? |
| A. | simple beams |
| B. | complex beams |
| C. | tee beams |
| D. | edge beams |
| Answer» A. simple beams | |
| 41. |
If the compression zone contains part of precast element, the computation is done by considering? |
| A. | grades of concrete |
| B. | cross section |
| C. | durability |
| D. | strength characteristics |
| Answer» B. cross section | |
| 42. |
The effective bonding between the two parts of composite beams is developed by |
| A. | smoothing |
| B. | roughening |
| C. | painting |
| D. | detacahing |
| Answer» B. roughening | |
| 43. |
The design of shear connections depends upon the strength of |
| A. | ex situ cast concrete |
| B. | in situ cast concrete |
| C. | tampered concrete |
| D. | prestressed concrete |
| Answer» B. in situ cast concrete | |
| 44. |
When ties are not provided the permissible values of the horizontal shear stress is? |
| A. | 0.6n/mm2 |
| B. | 4.6n/mm2 |
| C. | 1.6n/mm2 |
| D. | 8.6n/mm2 |
| Answer» A. 0.6n/mm2 | |
| 45. |
The ties consisting of single bars and multiple leg stirrups should have a spacing not exceeding |
| A. | 600mm |
| B. | 400mm |
| C. | 1100mm |
| D. | 900mm |
| Answer» A. 600mm | |
| 46. |
If the surface is rough tamped and without links to withstand a horizontal shear stress of 0.6n/mm2 and assuming the moduli of elasticity of precast and insitu cast concrete to be equal the centroid of the composite section is located 110mm from the top of the slab, second moment area of composite section is 2487×105mm4, calculate ultimate shearing resistance? |
| A. | 14 |
| B. | 12 |
| C. | 18 |
| D. | 21 |
| Answer» B. 12 | |
| 47. |
Design ultimate horizontal shear stress with nominal links and the contact surface are as cast (assume τ = 1.2n/mm2)? |
| A. | 15kn |
| B. | 23kn |
| C. | 12kn |
| D. | 24kn |
| Answer» D. 24kn | |
| 48. |
Which type of cables are advantages in reducing the effective shear? |
| A. | straight |
| B. | curved |
| C. | trapezoidal |
| D. | longitudinal |
| Answer» B. curved | |
| 49. |
Which type of shear reinforcement should be provided for members with thin webs? |
| A. | maximum shear reinforcement |
| B. | minimum shear reinforcement |
| C. | nominal shear reinforcement |
| D. | tensile reinforcement |
| Answer» C. nominal shear reinforcement | |
| 50. |
The various codes recommend empirical relations to estimate |
| A. | ultimate shear resistance |
| B. | ultimate torsional resistance |
| C. | ultimate bending resistance |
| D. | ultimate load |
| Answer» A. ultimate shear resistance | |
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