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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 5051. |
The minimum head room over a stair must be |
| A. | 200 cm |
| B. | 205 cm |
| C. | 210 cm |
| D. | 200 cm |
| E. | 230 cm |
| Answer» D. 200 cm | |
| 5052. |
The diameter of the column head support a flat slab, is generally kept |
| A. | 0.25 times the span length |
| B. | 0.25 times the diameter of the column |
| C. | 4.0 cm larger than the diameter of the column |
| D. | 5.0 cm larger than the diameter of the column |
| E. | none of these. |
| Answer» B. 0.25 times the diameter of the column | |
| 5053. |
If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is |
| A. | 37 cm |
| B. | 38 cm |
| C. | 39 cm |
| D. | 40 cm |
| Answer» E. | |
| 5054. |
If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor) |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-5.png"> |
| Answer» F. | |
| 5055. |
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. | <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/73-13-47-4.png"> | |
| 5056. |
Design of R.C.C. cantilever beams, is based on the resultant force at |
| A. | fixed end |
| B. | free end |
| C. | mid span |
| D. | mid span and fixed support. |
| Answer» B. free end | |
| 5057. |
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis |
| A. | remains within the flange |
| B. | remains below the slab |
| C. | coincides the geometrical centre of the beam |
| D. | none of these. |
| Answer» B. remains below the slab | |
| 5058. |
The weight of a foundation is assumed as |
| A. | 5% of wall weight |
| B. | 7% of wall weight |
| C. | 10% of wall weight |
| D. | 12% of wall weight |
| Answer» D. 12% of wall weight | |
| 5059. |
The steel generally used in R.C.C. work, is |
| A. | stainless |
| B. | mildsteel |
| C. | high carbon steel |
| D. | high tension steel. |
| Answer» C. high carbon steel | |
| 5060. |
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-114-4.png"> | |
| 5061. |
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| E. | 30 |
| Answer» D. 25 | |
| 5062. |
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-236-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-236-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-236-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-236-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-236-4.png"> | |
| 5063. |
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is provided at a pitch of |
| A. | one-half lever arm of the section |
| B. | one-third lever arm of the section |
| C. | lever arm of the section |
| D. | one and half lever arm of the section. |
| Answer» D. one and half lever arm of the section. | |
| 5064. |
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-171-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-171-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-171-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-171-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-171-4.png"> | |
| 5065. |
In a cantilever retaining wall without a heel slab |
| A. | thickness of the stem is kept same throughout |
| B. | base slab is made 10 cm thicker than the stem |
| C. | width of the base slab is kept 0.7 time the total height of the wall |
| D. | all the above. |
| Answer» E. | |
| 5066. |
The design of heel slab of a retaining wall, is based on the maximum bending moment due to: |
| A. | its own weight |
| B. | weight of the soil above it, |
| C. | load of the surcharge, if any |
| D. | upward soil reaction |
| E. | all the above. |
| Answer» F. | |
| 5067. |
If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-5.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/69-13-4-3.png"> | |
| 5068. |
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is |
| A. | 5 mm |
| B. | 7.5 mm |
| C. | 10 mm |
| D. | 15 mm |
| E. | 20 mm |
| Answer» D. 15 mm | |
| 5069. |
In a simply supported slab, alternate bars are curtailed at |
| A. | 1/4th of the span |
| B. | 1/5th of the span |
| C. | 1/6th of the span |
| D. | 1/7th of the span |
| E. | none of these. |
| Answer» E. none of these. | |
| 5070. |
The breadth of a ribbed slab containing two bars must be between |
| A. | 6 cm to 7.5 cm |
| B. | 8 cm to 10 cm |
| C. | 10 cm to 12 cm |
| D. | 12 cm to 15 cm |
| E. | none of these. |
| Answer» C. 10 cm to 12 cm | |
| 5071. |
If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-5.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-193-3.png"> | |
| 5072. |
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus |
| A. | triangular load of the wall |
| B. | UDL of wall |
| C. | UDL of wall + load from the roof |
| D. | triangular load + load from the roof. |
| Answer» D. triangular load + load from the roof. | |
| 5073. |
Total pressure on the vertical face of a retaining wall of height h per unit run exerted by the retained earth weighing w per unit volume, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/82-13-164-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/82-13-164-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/82-13-164-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/82-13-164-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/82-13-164-4.png"> | |
| 5074. |
The zone in which transverse bending is likely to occur may be obtained by drawing a line from the faces of the column making an angle with horizontal where is |
| A. | 30 |
| B. | 45 |
| C. | 60 |
| D. | none of these. |
| Answer» C. 60 | |
| 5075. |
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stressess simultaneously, is called |
| A. | balanced section |
| B. | economic section |
| C. | critical section |
| D. | all the above. |
| Answer» E. | |
| 5076. |
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. | |
| 5077. |
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/cm2 respectively. If m = 15, the depth of its neutral axis is |
| A. | 20 cm |
| B. | 25 cm |
| C. | 30 cm |
| D. | 35 cm |
| E. | 40 cm |
| Answer» D. 35 cm | |
| 5078. |
If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-92-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-92-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-92-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-92-4.png"> |
| E. | none of these. |
| Answer» E. none of these. | |
| 5079. |
Based on punching shear consideration, the overall depth of a combined footing under a column A, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-140-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-140-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-140-3.png"> |
| D. | None of these. |
| Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-140-3.png"> | |
| 5080. |
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes |
| A. | with the horizontal |
| B. | with the vertical |
| C. | with the perpendicular to. the inclined plane of the soil |
| D. | none of these. |
| Answer» B. with the vertical | |
| 5081. |
Pick up the assumption for the design of a prestressed concrete member from the following : |
| A. | A transverse plane section remains a plane after bending |
| B. | During deformation limits, Hook's law is equally applicable to concrete as well as to steel |
| C. | Variation of stress in reinforcement due to changes in external loading is negligible |
| D. | All the above. |
| Answer» E. | |
| 5082. |
A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| E. | 30 |
| Answer» C. 20 | |
| 5083. |
An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is |
| A. | 300 cm |
| B. | 233 cm |
| C. | 176 cm |
| D. | 236 cm |
| E. | 255 cm |
| Answer» D. 236 cm | |
| 5084. |
If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is |
| A. | 12 mm |
| B. | 13 mm |
| C. | 14 mm |
| D. | 15 mm |
| E. | 16 mm |
| Answer» F. | |
| 5085. |
Distribution reinforcement in a simply supported slab, is provided to distribute |
| A. | load |
| B. | temperature stress |
| C. | shrinkage stress |
| D. | all the above. |
| Answer» E. | |
| 5086. |
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. | |
| 5087. |
The maximum ratio of span to depth of a cantilever slab, is |
| A. | 8 |
| B. | 10 |
| C. | 12 |
| D. | 14 |
| E. | 16 |
| Answer» D. 14 | |
| 5088. |
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 |
| E. | 12 cm to 18 cm |
| Answer» C. 8 cm to 10 cm | |
| 5089. |
If bending moment is M, shear force is F effecive depth is d, lever arm is la area of reinforcement is As and sum of the circumferences of main reinforcement is 0, the bond stress based on working stress method, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-244-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-244-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-244-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-244-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/rcc-structures-design/89-13-244-2.png"> | |
| 5090. |
The horizontal portion of a step in a stairs case, is known as |
| A. | rise |
| B. | flight |
| C. | winder |
| D. | tread. |
| Answer» E. | |
| 5091. |
The length of lap in tension reinforcement should not be less than the bar diameter x (actual tension / four times the permissible average bond stress) if it is more than |
| A. | 18 bar diameters |
| B. | 24 bar diameters |
| C. | 30 bar diameters |
| D. | 36 bar diameters |
| Answer» D. 36 bar diameters | |
| 5092. |
Steel beam theory is used for |
| A. | design of simple steel beams |
| B. | steel beams encased in concrete |
| C. | doubly reinforced beams ignoring compressive stress in concrete |
| D. | beams if shear exceeds 4 times allowable shear stress. |
| Answer» D. beams if shear exceeds 4 times allowable shear stress. | |
| 5093. |
If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-90-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-90-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-90-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-90-4.png"> |
| E. | All the above. |
| Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/76-13-90-3.png"> | |
| 5094. |
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-103-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-103-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-103-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-103-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-103-4.png"> | |
| 5095. |
The toe projection of foundation slabs is taken |
| A. | as one third of the base |
| B. | as one sixth of overall height of the wall |
| C. | equal to heel slab |
| D. | below ground surface. |
| Answer» B. as one sixth of overall height of the wall | |
| 5096. |
For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is |
| A. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-1.png"> |
| B. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-2.png"> |
| C. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-3.png"> |
| D. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-4.png"> |
| E. | <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-5.png"> |
| Answer» F. | |
| 5097. |
In a simply supported slab the minimum spacing of distribution reinforcement, should be four times the effective thickness of the slab or |
| A. | 20 cm |
| B. | 30 cm |
| C. | 40 cm |
| D. | 50 cm |
| E. | 60 cm |
| Answer» F. | |
| 5098. |
The advantage of reinforced concrete, is due to |
| A. | monolithic character |
| B. | fire-resisting and durability |
| C. | economy because of less maintenance cost |
| D. | moulding in any desired shape |
| E. | All the above. |
| Answer» F. | |
| 5099. |
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. | |
| 5100. |
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by |
| A. | 0.2 |
| B. | 0.3 |
| C. | 0.4 |
| D. | 0.5 |
| E. | 0.7 |
| Answer» E. 0.7 | |