MCQOPTIONS
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MCQOPTIONS
This section includes 430 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| Answer» D. 25 | |
| 52. |
If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is |
| A. | 10 mm |
| B. | 12 mm |
| C. | 14 mm |
| D. | 16 mm |
| Answer» E. | |
| 53. |
If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than |
| A. | 4 mm |
| B. | 5 mm |
| C. | 6 mm |
| D. | 8 mm |
| Answer» C. 6 mm | |
| 54. |
The modular ratio m of a concrete whose permissible compressive stress is C, may be obtained from the equation. |
| A. | m = 700/3C |
| B. | m = 1400/3C |
| C. | m = 2800/3C |
| D. | m = 3500/3C |
| Answer» D. m = 3500/3C | |
| 55. |
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds |
| A. | 50 cm |
| B. | 75 cm |
| C. | 100 cm |
| D. | 120 cm |
| Answer» C. 100 cm | |
| 56. |
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is |
| A. | D = W (a - b)/4a bq |
| B. | D = W (a -b )/4a bq |
| C. | D = W (a -b )/8a bq |
| D. | D = W (a - b )/4abq |
| Answer» C. D = W (a -b )/8a bq | |
| 57. |
The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon |
| A. | Breadth of the rib |
| B. | Overall thickness of the rib |
| C. | Centre to centre distance between T-beams |
| D. | All the above |
| Answer» E. | |
| 58. |
If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a |
| A. | Simply supported beam |
| B. | Continuous beam |
| C. | Cantilever beam |
| D. | None of these |
| Answer» D. None of these | |
| 59. |
Steel bars are generally connected together to get greater length than the standard length by providing |
| A. | Straight bar splice |
| B. | Hooked splice |
| C. | Dowel splice |
| D. | All the above |
| Answer» E. | |
| 60. |
With usual notations the depth of the neutral axis of a balanced section, is given by______________? |
| A. | mc/t = (d – n)/n |
| B. | t/mc = (d – n)/n |
| C. | t/mc = (d + n)/n |
| D. | mc/t = n/ (d – n) |
| Answer» E. | |
| 61. |
Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of_____________________? |
| A. | h /4 |
| B. | h/3 |
| C. | h/2 |
| D. | 2h/3 |
| Answer» C. h/2 | |
| 62. |
Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of_______________? |
| A. | 0.1 L from the outer edge of column |
| B. | 0.1 L from the centre edge of column |
| C. | Half the distance of projection |
| D. | One -fourth the distance of projection |
| Answer» C. Half the distance of projection | |
| 63. |
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than________________? |
| A. | b/3 |
| B. | b/4 |
| C. | b/5 |
| D. | b/6 |
| Answer» E. | |
| 64. |
To ensure uniform pressure distribution, the thickness of the foundation, is__________________? |
| A. | Kept uniform throughout |
| B. | Increased gradually towards the edge |
| C. | Decreased gradually towards the edge |
| D. | Kept zero at the edge |
| Answer» D. Kept zero at the edge | |
| 65. |
To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is________________? |
| A. | 0.107 L |
| B. | 0.207 L |
| C. | 0.307 L |
| D. | 0.407 L |
| Answer» C. 0.307 L | |
| 66. |
Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as__________________? |
| A. | 1/8th of the span |
| B. | 1/10th of the span |
| C. | 1/12th of the span |
| D. | 1/16th of the span |
| Answer» D. 1/16th of the span | |
| 67. |
Thickened part of a flat slab over its supporting column, is technically known as_____________? |
| A. | Drop panel |
| B. | Column head |
| C. | Top of the column |
| D. | None of these |
| Answer» B. Column head | |
| 68. |
The Young’s modulus of elasticity of steel, is__________________? |
| A. | 150 KN/mm2 |
| B. | 200 KN/mm2 |
| C. | 250 KN/mm2 |
| D. | 275 KN/mm2 |
| Answer» E. | |
| 69. |
The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon____________________? |
| A. | Breadth of the rib |
| B. | Overall thickness of the rib |
| C. | Centre to centre distance between T-beams |
| D. | All the above |
| Answer» E. | |
| 70. |
The width of the rib of a T-beam, is generally kept between_______________? |
| A. | 1/7 to 1/3 of rib depth |
| B. | 1/3 to 1/2 of rib depth |
| C. | 1/2 to 3/4 of rib depth |
| D. | 1/3 to 2/3 of rib depth |
| Answer» E. | |
| 71. |
The width of the flange of a T-beam should be less than_________________? |
| A. | One- third of the effective span of the T -beam |
| B. | Distance between the centres of T-beam |
| C. | Breadth of the rib plus twelve times the thickness of the slab |
| D. | Least of the above |
| Answer» E. | |
| 72. |
The width of the flange of a L-beam, should be less than______________? |
| A. | One- sixth of the effective span |
| B. | Breadth of the rib + four times thickness of the slab |
| C. | Breadth of the rib + half clear distance between ribs |
| D. | Least of the above |
| Answer» E. | |
| 73. |
The weight of reinforced concrete, is generally taken as______________? |
| A. | 2200 kg/m3 |
| B. | 2300 kg/m3 |
| C. | 2400 kg/m3 |
| D. | 2500 kg/m3 |
| Answer» D. 2500 kg/m3 | |
| 74. |
The transverse reinforcements provided at right angles to the main reinforcement_______________? |
| A. | Distribute the load |
| B. | Resist the temperature stresses |
| C. | Resist the shrinkage stress |
| D. | All the above |
| Answer» E. | |
| 75. |
The thickness of the topping of a ribbed slab, varies between________________? |
| A. | 3 cm to 5 cm |
| B. | 5 cm to 8 cm |
| C. | 8 cm to 10 cm |
| D. | 12 cm to 15 cm |
| Answer» C. 8 cm to 10 cm | |
| 76. |
The thickness of base slab of a retaining wall generally provided, is_____________? |
| A. | One half of the width of the stem at the bottom |
| B. | One -third of the width of the stem at the bottom |
| C. | One fourth of the width of the steam at the bottom |
| D. | Width of the stem at the bottom |
| Answer» E. | |
| 77. |
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________? |
| A. | Freyssinet system |
| B. | Magnel-Blaton system |
| C. | C.C.L. standard system |
| D. | Lee-McCall system |
| Answer» E. | |
| 78. |
The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm 2 respectively. If m = 15, the depth of its neutral axis is_______________? |
| A. | 20 cm |
| B. | 25 cm |
| C. | 30 cm |
| D. | 35 cm |
| Answer» D. 35 cm | |
| 79. |
The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is_______________? |
| A. | 51.5 |
| B. | 52.5 |
| C. | 53.5 |
| D. | 54.5 |
| Answer» D. 54.5 | |
| 80. |
The steel generally used in R.C.C. work, is_________________? |
| A. | Stainless |
| B. | Mild steel |
| C. | High carbon steel |
| D. | High tension steel |
| Answer» C. High carbon steel | |
| 81. |
The spacing of transverse reinforcement of column is decided by the following consideration_______________? |
| A. | The least lateral dimension of the column |
| B. | Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column |
| C. | Forty-eight times the diameter of transverse reinforcement |
| D. | All the above |
| Answer» E. | |
| 82. |
The shear reinforcement in R.C.C. is provided to resist__________________? |
| A. | Vertical shear |
| B. | Horizontal shear |
| C. | Diagonal compression |
| D. | Diagonal tension |
| Answer» E. | |
| 83. |
The self-weight of the footing, is_____________? |
| A. | Not considered for calculating the upward pressure on footing |
| B. | Also considered for calculating the upward pressure on footing |
| C. | Not considered for calculating the area of the footing |
| D. | Both B. and C |
| Answer» B. Also considered for calculating the upward pressure on footing | |
| 84. |
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called_________________? |
| A. | Balanced section |
| B. | Economic section |
| C. | Critical section |
| D. | All the above |
| Answer» E. | |
| 85. |
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________? |
| A. | Is safe in shear |
| B. | Is unsafe in shear |
| C. | Is over safe in shear |
| D. | Needs redesigning |
| Answer» C. Is over safe in shear | |
| 86. |
The ratio of the breadth to effective depth of a beam is kept_______________? |
| A. | 0.25 |
| B. | 0.50 |
| C. | 0.70 |
| D. | 0.75 |
| Answer» C. 0.70 | |
| 87. |
The radius of a bar bend to form a hook, should not be less than_______________? |
| A. | Twice the diameter |
| B. | Thrice the diameter |
| C. | Four times the diameter |
| D. | Five times the diameter |
| Answer» B. Thrice the diameter | |
| 88. |
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by_____________? |
| A. | Three times |
| B. | Four times |
| C. | Five times |
| D. | Six times |
| Answer» E. | |
| 89. |
The percentage of minimum reinforcement of the gross sectional area in slabs, is________________? |
| A. | 0.10 % |
| B. | 0.12 % |
| C. | 0.15 % |
| D. | 0.18 % |
| Answer» D. 0.18 % | |
| 90. |
The number of treads in a flight is equal to_______________? |
| A. | Risers in the flight |
| B. | Risers plus one |
| C. | Risers minus one |
| D. | None of these |
| Answer» D. None of these | |
| 91. |
The neutral axis of a T-beam exists_________________? |
| A. | Within the flange |
| B. | At the bottom edge of the slab |
| C. | Below the slab |
| D. | All the above |
| Answer» E. | |
| 92. |
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of___________________? |
| A. | 10 mm |
| B. | 15 mm |
| C. | 20 mm |
| D. | 25 mm |
| Answer» E. | |
| 93. |
The minimum thickness of a flat slab is taken_________________? |
| A. | L/32 for end panels without drops |
| B. | L/36 for end panels without drops |
| C. | L/36 for interior panels without drop |
| D. | All the above |
| Answer» E. | |
| 94. |
The minimum number of main steel bars provided in R.C.C________________? |
| A. | Rectangular columns is 4 |
| B. | Circular columns is 6 |
| C. | Octagonal columns is 8 |
| D. | All the above |
| Answer» E. | |
| 95. |
The minimum head room over a stair must be_______________? |
| A. | 200 cm |
| B. | 205 cm |
| C. | 210 cm |
| D. | 230 cm |
| Answer» D. 230 cm | |
| 96. |
The minimum cube strength of concrete used for a pre-stressed member, is________________? |
| A. | 50 kg/cm2 |
| B. | 150 kg/cm 2 |
| C. | 250 kg/cm2 |
| D. | 350 kg/cm2 |
| Answer» E. | |
| 97. |
The minimum clear cover for R.C.C. columns shall be_________________? |
| A. | Greater of 40 mm or diameter |
| B. | Smaller of 40 mm or diameter |
| C. | Greater of 25 mm or diameter |
| D. | Smaller of 25 mm or diameter |
| Answer» D. Smaller of 25 mm or diameter | |
| 98. |
The maximum shear stress (qmax) in a rectangular beam is_______________? |
| A. | 1.25 times the average |
| B. | 1.50 times the average |
| C. | 1.75 times the average |
| D. | 2.0 times the average |
| Answer» C. 1.75 times the average | |
| 99. |
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is_____________? |
| A. | Shear force/(Lever arm × Width) |
| B. | Lever arm/(Shear force × Width) |
| C. | Width/(Lever arm × Shear force) |
| D. | (Shear force × Width)/Lever arm |
| Answer» B. Lever arm/(Shear force × Width) | |
| 100. |
The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is_________________? |
| A. | 25 |
| B. | 30 |
| C. | 35 |
| D. | 40 |
| Answer» D. 40 | |