MCQOPTIONS
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MCQOPTIONS
This section includes 112 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. |
A steel beam supporting loads from the floor slab as well as from wall is termed as~! |
| A. | stringer beam |
| B. | lintel beam |
| C. | spandrel beam |
| D. | header beam |
| Answer» D. header beam | |
| 2. |
The range of economical spacing of trusses varies from~! |
| A. | L/3 to L/5 |
| B. | L/4to2L/5 |
| C. | L/3 to L/2 |
| D. | 2L/5 to 3L/5 where L is span |
| Answer» B. L/4to2L/5 | |
| 3. |
Maximum pitch of rivets, used in steel stacks, is limited to (where t is thickness of thinner plate being connected)%! |
| A. | 6t |
| B. | 101 |
| C. | 121 |
| D. | 161 |
| Answer» C. 121 | |
| 4. |
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be%! |
| A. | 40mm |
| B. | 60mm |
| C. | 80mm |
| D. | 100mm |
| Answer» C. 80mm | |
| 5. |
*$_Bending compressive and tensile stresses respectively are calculated based on? |
| A. | net area and gross area |
| B. | gross area and net area |
| C. | net area in both cases |
| D. | gross area in both cases |
| Answer» C. net area in both cases | |
| 6. |
*$_The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as? |
| A. | 0.65 kN/m2 |
| B. | 0.75 kN/m2 |
| C. | 1.35 kN/m2 |
| D. | 1.50 kN/m2 |
| Answer» B. 0.75 kN/m2 | |
| 7. |
*$_The capacity of the smallest pressed steel tank is? |
| A. | 1000 litre |
| B. | 1650 litre |
| C. | 1950 litre |
| D. | 2450 litre |
| Answer» D. 2450 litre | |
| 8. |
*$_Lug angles? |
| A. | are used to reduce the length of connection. |
| B. | are unequal angles. |
| C. | increases shear lag. |
| D. | all the above |
| Answer» B. are unequal angles. | |
| 9. |
*$_The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:? |
| A. | 4.5 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» D. 10 mm | |
| 10. |
*$_The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)? |
| A. | 3t |
| B. | 4t |
| C. | 6t |
| D. | 8t |
| Answer» C. 6t | |
| 11. |
*$_Generally the purlins are placed at the panel points so as to avoid? |
| A. | Axial force in rafter |
| B. | Shear force in rafter |
| C. | Deflection of rafter |
| D. | Bending moment in rafter |
| Answer» E. | |
| 12. |
*/*_Which of the following sections should preferably be used at places where torsion occurs?? |
| A. | Angle section |
| B. | Channel section |
| C. | Box type section |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 13. |
*/*_Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)? |
| A. | d/4 |
| B. | d/3 |
| C. | d/2 |
| D. | 2d/3 |
| Answer» C. d/2 | |
| 14. |
*/*_The maximum slenderness ratio of a compression member carrying both dead and superimposed load is? |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 350 |
| Answer» B. 200 | |
| 15. |
*/*_As per IS : 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)? |
| A. | 121 |
| B. | 161 |
| C. | 201 |
| D. | 251 |
| Answer» C. 201 | |
| 16. |
*/*_Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)? |
| A. | 1.5 d |
| B. | 2.0 d |
| C. | 2.5 d |
| D. | 3.0 d |
| Answer» D. 3.0 d | |
| 17. |
*/*_If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be? |
| A. | 40mm |
| B. | 60mm |
| C. | 80mm |
| D. | 100mm |
| Answer» C. 80mm | |
| 18. |
*/*_Maximum pitch of rivets, used in steel stacks, is limited to (where t is thickness of thinner plate being connected)? |
| A. | 6t |
| B. | 101 |
| C. | 121 |
| D. | 161 |
| Answer» C. 121 | |
| 19. |
*/*_If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as? |
| A. | 0 |
| B. | 0.5 |
| C. | between 0.5 and 1.0 |
| D. | 1.0 |
| Answer» D. 1.0 | |
| 20. |
*/*_Diameter of a bolt hole is usually taken as? |
| A. | gross diameter of bolt |
| B. | nominal diameter + 1.5 mm |
| C. | nominal diameter + 2.0 mm |
| D. | nominal diameter of bolt |
| Answer» C. nominal diameter + 2.0 mm | |
| 21. |
*/*_The forces acting on the web splice of a plate girder are? |
| A. | Axial forces |
| B. | Shear and axial forces |
| C. | Shear and bending forces |
| D. | Axial and bending forces |
| Answer» D. Axial and bending forces | |
| 22. |
*/*_The effective length of a fillet weld should not be less than? |
| A. | Two times the weld size |
| B. | Four times the weld size |
| C. | Six times the weld size |
| D. | Weld size |
| Answer» C. Six times the weld size | |
| 23. |
*/*_For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?? |
| A. | equal angles back to back |
| B. | unqual legged angles with long legs back to back |
| C. | unequal legged angles with short legs back to back |
| D. | both (b) or (c) |
| Answer» C. unequal legged angles with short legs back to back | |
| 24. |
*/*_The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as? |
| A. | 1.8 L |
| B. | 1.3 L |
| C. | 1.1 L |
| D. | 1.5 L |
| Answer» D. 1.5 L | |
| 25. |
*/*_Bearing stiffeners are provided ati) the supportsii) the mid spaniii) the point of application of concentrated loads The correct answer is? |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |
| 26. |
*/*_As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into? |
| A. | 4 zones |
| B. | 5 zones |
| C. | 6 zones |
| D. | 7 zones |
| Answer» D. 7 zones | |
| 27. |
*/*_The number of seismic zones in which the country has been divided are? |
| A. | 3 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 28. |
%_Which of the following conditions is to be satisfied both in elastic and plastic analysis ?_% |
| A. | equilibrium condition |
| B. | yield condition |
| C. | plastic moment condition |
| D. | mechanism condition |
| Answer» B. yield condition | |
| 29. |
%_For a standard 45° fillet, the ratio of size of fillet to throat thickness is_% |
| A. | 1:1 |
| B. | 1 : V2 |
| C. | V2 : 1 |
| D. | 2: 1 |
| Answer» D. 2: 1 | |
| 30. |
%_Horizontal stiffener in a plate girder is provided to safeguard against_% |
| A. | shear buckling of web plate |
| B. | compression buckling of web plate |
| C. | yielding |
| D. | all of the above |
| Answer» C. yielding | |
| 31. |
%_Load factor is_% |
| A. | always equal to factor of safety |
| B. | always less than factor of safety |
| C. | always greater than factor of safety |
| D. | sometimes greater than factor of safety |
| Answer» D. sometimes greater than factor of safety | |
| 32. |
%_When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)_% |
| A. | is at the maximum distance from CG of the rivet group |
| B. | is at the minimum distance from CG of the rivet group |
| C. | gives the maximum angle between the two forces Fa and Fm |
| D. | gives the minimum angle between the two forces Fa and Fm |
| Answer» E. | |
| 33. |
%_The least dimension in case of a circular column of diameter D is taken as_% |
| A. | 0.5 D |
| B. | 0.68 D |
| C. | 0.88 D |
| D. | 0.78 D |
| Answer» D. 0.78 D | |
| 34. |
%_According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_% |
| A. | 1.0 |
| B. | 1.4 |
| C. | 1.8 |
| D. | 2.0 |
| Answer» C. 1.8 | |
| 35. |
_ As compared to field rivets, the shop rivets are$? |
| A. | stronger |
| B. | weaker |
| C. | equally strong |
| D. | any of the above |
| Answer» B. weaker | |
| 36. |
_ The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)$? |
| A. | 1.33 d |
| B. | 1.25 d |
| C. | 1.5 d |
| D. | 1.75 d |
| Answer» D. 1.75 d | |
| 37. |
_ Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between$? |
| A. | 10° to 30° |
| B. | 30° to 40° |
| C. | 40° to 70° |
| D. | 90° |
| Answer» D. 90¬¨‚àû | |
| 38. |
_ In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)$? |
| A. | 0.55 Awfy |
| B. | 0.65 Awfy |
| C. | 0.75 Awfy |
| D. | 0.85 Awfy |
| Answer» B. 0.65 Awfy | |
| 39. |
_ The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is$? |
| A. | 10 m |
| B. | 20 m |
| C. | 25 m |
| D. | 50 m |
| Answer» B. 20 m | |
| 40. |
_ The relation between intensity of wind pressure p and velocity of wind V is taken as$? |
| A. | pa V |
| B. | paV2 |
| C. | p a (1/V) |
| D. | paV”2 |
| Answer» C. p a (1/V) | |
| 41. |
_ The number of seismic zones in which the country has been divided are$? |
| A. | 3 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 42. |
_ The external wind pressure acting on a roof depends on$? |
| A. | degree of permeability of roof |
| B. | slope of roof |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» C. both (a) and (b) | |
| 43. |
_ The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of(where, t = the web thickness in mm h = the outstand of stiffener in mm)$? |
| A. | 75 t2/h |
| B. | 125 t3/h2 |
| C. | 125 t2/h |
| D. | 175 t2/h |
| Answer» D. 175 t2/h | |
| 44. |
_ The moment-curvature relation at a plastic hinge is$? |
| A. | linear |
| B. | parabolic |
| C. | constant moment for all curvatures |
| D. | constant curvature for all moments |
| Answer» D. constant curvature for all moments | |
| 45. |
_ The use of tie plates in laced columns is$? |
| A. | prohibited |
| B. | not prohibited |
| C. | permitted at start and end of lacing system only |
| D. | permitted between two parts of the lacing |
| Answer» D. permitted between two parts of the lacing | |
| 46. |
_ The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)$? |
| A. | decrease in h/t ratio |
| B. | increase in h/t ratio |
| C. | decrease in thickness |
| D. | increase in height |
| Answer» C. decrease in thickness | |
| 47. |
_ In case of timber structures, the form factor for solid circular cross-section is taken as$? |
| A. | 1.18 |
| B. | 1.414 |
| C. | 1.67 |
| D. | 1.81 |
| Answer» B. 1.414 | |
| 48. |
_ Battening is preferable when thei) column carries axial load onlyii) space between the two main components is not very largeiii) column is eccentrically loaded The correct answer is$? |
| A. | only (i) |
| B. | only (iii) |
| C. | (i) and (ii) |
| D. | (ii) and (iii) |
| Answer» D. (ii) and (iii) | |
| 49. |
_ In case of timber structures, the simple bending formula M = fz may be applied for$? |
| A. | rectangular beams up to 300 mm depth |
| B. | all rectangular beams |
| C. | solid circular beams only |
| D. | all square cross-section beams |
| Answer» B. all rectangular beams | |
| 50. |
_The shape factor of an isosceles triangle for bending about the axis parallel to the base is:$? |
| A. | 1.5 |
| B. | 1.7 |
| C. | 2.0 |
| D. | 2.34 |
| Answer» E. | |