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.
| 201. |
If is the sectional area of a pre-stressed rectangular beam provided with a tendon pre -stressed by a force through its centroidal longitudinal axis, the compressive stress in concrete, is_______________? |
| A. | P/A |
| B. | A/P |
| C. | P/2A |
| D. | 2A/P |
| Answer» B. A/P | |
| 202. |
If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________? |
| A. | 0.3 H |
| B. | 0.4 H |
| C. | 0.5 H |
| D. | 0.7 H |
| Answer» E. | |
| 203. |
If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by_________________? |
| A. | B.M = pb (c – a)/4 |
| B. | B.M = pb (b – a)²/4 |
| C. | B.M = pb (b – a)²/8 |
| D. | B.M = pb (b + a)/8 |
| Answer» D. B.M = pb (b + a)/8 | |
| 204. |
If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________? |
| A. | 4d |
| B. | 8d |
| C. | 12d |
| D. | 16d |
| Answer» E. | |
| 205. |
If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is________________? |
| A. | 200 cm |
| B. | 300 cm |
| C. | 150 cm |
| D. | 100 cm |
| Answer» D. 100 cm | |
| 206. |
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young’s modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is________________? |
| A. | (1 – C) mf – eE |
| B. | (C – 1)mf + eE |
| C. | (C – 1)mf – eE |
| D. | (1 – C)mf + eE |
| Answer» C. (C – 1)mf – eE | |
| 207. |
If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________? |
| A. | cAc + m cAsc |
| B. | c(A – Asc) + m cAsc |
| C. | c[A + (m – 1)ASC] |
| D. | All the above |
| Answer» E. | |
| 208. |
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be_________________? |
| A. | 5 cm |
| B. | 10 cm |
| C. | 15 cm |
| D. | 20 cm |
| Answer» C. 15 cm | |
| 209. |
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 )/(1 + sin )]_________________? |
| A. | h = (W/Aw) [(1 – |
| B. | h = (W/Aw) [(1 + )/(1 + sin )] |
| C. | h = (W/Aw) [(1 – )/(1 + sin )]² |
| D. | h W/Aw) [(1 – )/(1 + sin )]² |
| Answer» D. h W/Aw) [(1 – )/(1 + sin )]² | |
| 210. |
If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least________________? |
| A. | WL /P |
| B. | WL/2P |
| C. | WL/3P |
| D. | WL/4P |
| Answer» E. | |
| 211. |
High strength concrete is used in pre-stressed member________________? |
| A. | To overcome high bearing stresses developed at the ends |
| B. | To overcome bursting stresses at the ends |
| C. | To provide high bond stresses |
| D. | All the above |
| Answer» E. | |
| 212. |
foundation is assumed as The weight of a_____________? |
| 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 | |
| 213. |
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. | 25 |
| D. | 20 |
| Answer» E. | |
| 214. |
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. | wl²/4 |
| B. | wl²/8 |
| C. | wl²/12 |
| D. | wl²/16 |
| Answer» E. | |
| 215. |
For stairs spanning horizontally, the minimum waist provided is________________? |
| A. | 4 cm |
| B. | 6 cm |
| C. | 8 cm |
| D. | 12 cm |
| Answer» E. | |
| 216. |
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 | |
| 217. |
For M 150 mix concrete, according to I.S. specifications, local bond stress, is_________________? |
| A. | 5 kg/cm2 |
| B. | 10 kg/cm 2 |
| C. | 15 kg/cm2 |
| D. | 20 kg/cm2 |
| Answer» C. 15 kg/cm2 | |
| 218. |
For M 150 grade concrete (1:2:4) the moment of resistance factor is_________________? |
| A. | 0.87 |
| B. | 8.50 |
| C. | 7.50 |
| D. | 5.80 |
| Answer» C. 7.50 | |
| 219. |
For initial estimate for a beam design, the width is assumed__________________? |
| A. | 1/15th of span |
| B. | 1/20th of span |
| C. | 1/25th of span |
| D. | 1/30th of span |
| Answer» E. | |
| 220. |
For a ribbed slab______________? |
| A. | Clear spacing between ribs shall not be greater than 4.5 cm |
| B. | Width of the rib shall not be less than 7.5 cm |
| C. | Overall depth of the slab shall not exceed four times the breadth of the rib |
| D. | All the above |
| Answer» E. | |
| 221. |
For a number of columns constructed in a rcjw, the type of foundation provided, is_______________? |
| A. | Footing |
| B. | Raft |
| C. | Strap |
| D. | Strip |
| Answer» E. | |
| 222. |
For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is____________________? |
| A. | 0.6 |
| B. | 0.7 |
| C. | 0.8 |
| D. | 0.9 |
| Answer» E. | |
| 223. |
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is___________________? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 224. |
Enlarged head of a supporting column of a flat slab is technically known as______________? |
| A. | Supporting end of the column |
| B. | Top of the column |
| C. | Capital |
| D. | Drop panel |
| Answer» D. Drop panel | |
| 225. |
effective depth and depth of the neutral axis respectively of a singly reinforced If d and n are the beam, the lever arm of the beam, is_________________? |
| A. | d |
| B. | n |
| C. | d + n/3 |
| D. | d – n/3 |
| Answer» E. | |
| 226. |
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. | |
| 227. |
Distribution of shear intensity over a rectangular section of a beam, follows_________________? |
| A. | A circular curve |
| B. | A straight line |
| C. | A parabolic curve |
| D. | An elliptical curve |
| Answer» D. An elliptical curve | |
| 228. |
Dimensions of a beam need be changed if the shear stress is more than_______________? |
| A. | 10 kg/cm2 |
| B. | 15 kg/cm2 |
| C. | 20 kg/cm2 |
| D. | 25 kg/cm2 |
| Answer» D. 25 kg/cm2 | |
| 229. |
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 | |
| 230. |
Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at________________? |
| A. | Supports |
| B. | Mid span |
| C. | Every section |
| D. | Quarter span |
| Answer» C. Every section | |
| 231. |
Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by_________________? |
| A. | Rankine formula |
| B. | Marcus formula |
| C. | Rankine Grashoff formula |
| D. | Grashoff formula |
| Answer» D. Grashoff formula | |
| 232. |
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension_______________? |
| A. | Two times |
| B. | Three times |
| C. | Four times |
| D. | Five times |
| Answer» D. Five times | |
| 233. |
carrying a uniformly distributed load per metre length is suspended at the A pile of length centre and from other two points 0.15 L from either end ; the maximum hogging moment will be_______________? |
| A. | WL²/15 |
| B. | WL²/30 |
| C. | WL²/60 |
| D. | WL²/90 |
| Answer» E. | |
| 234. |
carrying a uniformly distributed load per metre length is suspended at two A pile of length points, the maximum, B.M. at the centre of the pile or at the points of suspension, is_________________? |
| A. | WL/8 |
| B. | WL²/24 |
| C. | WL²/47 |
| D. | WL²/16 |
| Answer» D. WL²/16 | |
| 235. |
Cantilever retaining walls can safely be used for a height not more than_______________? |
| A. | 3 m |
| B. | 4 m |
| C. | 5 m |
| D. | 6 m |
| Answer» E. | |
| 236. |
By over-reinforcing a beam, the moment of resistance can be increased not more than________________? |
| A. | 10 % |
| B. | 15 % |
| C. | 20 % |
| D. | 25 % |
| Answer» E. | |
| 237. |
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than____________? |
| A. | 42 diameters from the centre of the column |
| B. | 42 diameters from the inner edge of the column |
| C. | 42 diameters from the outer edge of the column |
| D. | 24 diameters from the centre of the column |
| Answer» D. 24 diameters from the centre of the column | |
| 238. |
bending moment of a simply supported slab is M Kg.cm, the effective depth of the If the maximum slab is (where Q is M.R. factor)________________? |
| A. | M/100Q |
| B. | M/ Q |
| C. | M/Q) |
| D. | (M/100Q) |
| Answer» E. | |
| 239. |
Based on punching shear consideration, the overall depth of a combined footing under a column A, is_______________? |
| A. | (Area of the column A × Safe punching stress)/Load on column A |
| B. | (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column) |
| C. | (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column) |
| D. | None of these |
| Answer» C. (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column) | |
| 240. |
As the percentage of steel increases________________? |
| A. | Depth of neutral axis decreases |
| B. | Depth of neutral axis increases |
| C. | Lever arm increases |
| D. | Lever arm decreases |
| Answer» C. Lever arm increases | |
| 241. |
As per I.S. 456 – 1978, the pH value of water shall be_______________? |
| A. | Less than 6 |
| B. | Equal to 6 |
| C. | Not less than 6 |
| D. | Equal to 7 |
| Answer» D. Equal to 7 | |
| 242. |
As per IS : 456, the reinforcement in a column should not be less than________________? |
| A. | 0.5% and not more than 5% of cross-sectional area |
| B. | 0.6% and not more than 6% of cross-sectional area |
| C. | 0.7% and not more than 7% of cross-sectional area |
| D. | 0.8% and not more than 8% of cross-sectional area |
| Answer» E. | |
| 243. |
An under-reinforced section means_________________? |
| A. | Steel is provided at the underside only |
| B. | Steel provided is insufficient |
| C. | Steel provided on one face only |
| D. | Steel will yield first |
| Answer» E. | |
| 244. |
An R.C.C. roof slab is designed as a two way slab if________________? |
| A. | It supports live loads in both directions |
| B. | The ratio of spans in two directions is less than 2 |
| C. | The slab is continuous over two supports |
| D. | The slab is discontinuous at edges |
| Answer» C. The slab is continuous over two supports | |
| 245. |
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 | |
| 246. |
An R.C.C. column is treated as short column if its slenderness ratio is less than_______________? |
| A. | 30 |
| B. | 35 |
| C. | 40 |
| D. | 50 |
| Answer» E. | |
| 247. |
An R.C.C. column is treated as long if its slenderness ratio is greater than____________? |
| A. | 30 |
| B. | 35 |
| C. | 40 |
| D. | 50 |
| Answer» E. | |
| 248. |
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam________________? |
| A. | Is safe in shear |
| B. | Is safe with stirrups |
| C. | Is safe with stirrups and inclined bars |
| D. | Needs revision of section |
| Answer» E. | |
| 249. |
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is__________________? |
| A. | Safe in shear |
| B. | Is safe with stirrups |
| C. | Is safe with stirrups and inclined members |
| D. | Needs revision of the section |
| Answer» B. Is safe with stirrups | |
| 250. |
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is_______________? |
| A. | 8.3 kg/cm2 |
| B. | 7.6 kg/cm2 |
| C. | 21.5 kg/cm 2 |
| D. | 11.4 kg/cm2 |
| Answer» B. 7.6 kg/cm2 | |