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MCQOPTIONS
This section includes 367 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
A pre-cast pile generally used, is |
| A. | Circular |
| B. | Square |
| C. | Octagonal |
| D. | Square with corners chamfered |
| Answer» E. | |
| 302. |
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. | (5/6) (r/1 + r²) M |
| B. | (5/6) (r²/1 + r²) M |
| C. | (5/6) (r²/1 + r³) M |
| D. | (5/6) (r²/1 + r⁴) M |
| Answer» E. | |
| 303. |
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is |
| A. | W - 2P cos θ |
| B. | W - P cos θ |
| C. | W - P sin θ |
| D. | W - 2P sin θ |
| Answer» E. | |
| 304. |
If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance ‘x’ from either end where, ‘x’ is |
| A. | 50 cm |
| B. | 100 cm |
| C. | 150 cm |
| D. | 200 cm |
| Answer» D. 200 cm | |
| 305. |
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is |
| A. | WR²/16 |
| B. | 2WR²/16 |
| C. | 3WR²/16 |
| D. | Zero |
| Answer» D. Zero | |
| 306. |
If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is |
| A. | WR²/16 |
| B. | 2WR²/16 |
| C. | 3WR²/16 |
| D. | 5WR²/16 |
| Answer» D. 5WR²/16 | |
| 307. |
The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is |
| A. | 30° |
| B. | 40° |
| C. | 45° |
| D. | All the above |
| Answer» E. | |
| 308. |
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is |
| A. | bn (fc/2) (d - n/3) |
| B. | Atft (d - n/3) |
| C. | ½ n₁ (1 - n₁/3) cbd² |
| D. | All the above |
| Answer» E. | |
| 309. |
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory |
| A. | (wx/wy) = (ly/lx) |
| B. | (wx/wy) = (ly/lx)² |
| C. | (wx/wy) = (ly/lx)⁴ |
| D. | None of these |
| Answer» D. None of these | |
| 310. |
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 | |
| 311. |
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)/4a²bq |
| B. | D = W (a² - b²)/4a²bq |
| C. | D = W (a² - b²)/8a²bq |
| D. | D = W (a² - b²)/4abq |
| Answer» C. D = W (a² - b²)/8a²bq | |
| 312. |
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. | |
| 313. |
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 | |
| 314. |
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. | |
| 315. |
The load stress of a section can be reduced by |
| A. | Decreasing the lever arm |
| B. | Increasing the total perimeter of bars |
| C. | Replacing larger bars by greater number of small bars |
| D. | Replacing smaller bars by greater number of greater bars |
| Answer» D. Replacing smaller bars by greater number of greater bars | |
| 316. |
A ribbed slab is provided for |
| A. | A plain ceiling |
| B. | Thermal insulation |
| C. | Acoustic insulation |
| D. | All the above |
| Answer» E. | |
| 317. |
If ‘W’ is the uniformly distributed load on a circular slab of radius ‘R’ fixed at its ends, the maximum positive radial moment at its centre, is |
| A. | 3WR²/16 |
| B. | 2WR²/16 |
| C. | WR²/16 |
| D. | None of these |
| Answer» D. None of these | |
| 318. |
If ‘H’ 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. | |
| 319. |
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. | |
| 320. |
If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is: |
| A. | [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ |
| B. | [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ |
| C. | [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ |
| D. | [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ |
| Answer» D. [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ | |
| 321. |
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. | (L/2) (1 - 3/qmax) |
| B. | (L/3) (1 - 5/qmax) |
| C. | (L/2) (1 - 5/qmax) |
| D. | (L/2) (1 - 2/qmax) |
| Answer» D. (L/2) (1 - 2/qmax) | |
| 322. |
In a pre-stressed member it is advisable to use |
| A. | Low strength concrete only |
| B. | High strength concrete only |
| C. | Low strength concrete but high tensile steel |
| D. | High strength concrete and high tensile steel |
| Answer» E. | |
| 323. |
If the shear stress in a R.C.C. beam is |
| A. | Equal or less than 5 kg/cm², no shear reinforcement is provided |
| B. | Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided |
| C. | Greater than 20 kg/cm², the size of the section is changed |
| D. | All the above |
| Answer» E. | |
| 324. |
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 | |
| 325. |
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is |
| A. | 1.0 |
| B. | 1.25 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» D. 2.0 | |
| 326. |
The amount of reinforcement for main bars in a slab, is based upon |
| A. | Minimum bending moment |
| B. | Maximum bending moment |
| C. | Maximum shear force |
| D. | Minimum shear force |
| Answer» C. Maximum shear force | |
| 327. |
The advantage of a concrete pile over a timber pile, is |
| A. | No decay due to termites |
| B. | No restriction on length |
| C. | Higher bearing capacity |
| D. | All the above |
| Answer» E. | |
| 328. |
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 | |
| 329. |
[A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by |
| A. | Modular ratio method |
| B. | Load factor method |
| C. | Ultimate load method |
| D. | None of these |
| Answer» B. Load factor method | |
| 330. |
As per IS : 456, the reinforcement in a column should not be less than |
| A. | 0.5% and not more than 5% of cross-sec-tional area |
| B. | 0.6% and not more than 6% of cross-see-tional area |
| C. | 0.7% and not more than 7% of cross-sec-tional area |
| D. | 0.8% and not more than 8% of cross-sectional area |
| Answer» E. | |
| 331. |
In a singly reinforced beam |
| A. | compression is borne entirely by concrete |
| B. | steel possesses initial stresses when em-beded in concrete |
| C. | plane sections transverse to the centre line of the beam before bending remain plane after bending |
| D. | elastic modulii for concrete and steel have different values within the limits of deformation of the beam |
| Answer» D. elastic modulii for concrete and steel have different values within the limits of deformation of the beam | |
| 332. |
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm 2 , 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. | |
| 333. |
According to load factor method, the permissible load W on a short column reinforced with longitudinal bars and lateral stirrups, is |
| A. | Stress in concrete x area of concrete |
| B. | Stress in steel x area of steel |
| C. | Stress in concrete x area of concrete + Stress in steel x area of steel |
| D. | None of these. |
| Answer» D. None of these. | |
| 334. |
If P kg/m 2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by |
| A. | D = 0.00775 a P |
| B. | D = 0.0775 a P |
| C. | D = 0.07775 a P |
| D. | D = 0.775 P a |
| Answer» B. D = 0.0775 a P | |
| 335. |
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° | |
| 336. |
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm 2 steel. If the modular ratio ( m ) is 15, the depth of the neutral axis, is |
| A. | 20 cm |
| B. | 25 cm |
| C. | 30 cm |
| D. | 35 cm |
| Answer» D. 35 cm | |
| 337. |
The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm 2 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 | |
| 338. |
If A c , A sc 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. | ? c A c + m ? c A sc |
| B. | ? c ( A - A sc ) + m ? c A sc |
| C. | ? c [ A + ( m - 1) A SC ] |
| D. | all the above. |
| Answer» E. | |
| 339. |
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 | |
| 340. |
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than |
| A. | one diameter |
| B. | 2.5 diameters |
| C. | 3 diameters |
| D. | 3.5 diameters |
| Answer» B. 2.5 diameters | |
| 341. |
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is |
| A. | half of the width of the slab |
| B. | two-third of the width of the slab |
| C. | three-fourth of the width of the slab |
| D. | four-fifth of the width of the slab |
| Answer» D. four-fifth of the width of the slab | |
| 342. |
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/cm 2 , 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. | |
| 343. |
If a rectangular prestressed 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 | |
| 344. |
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement ( i.e. total settlement minus rebound) per tonne of test load should not exceed |
| A. | 10 mm |
| B. | 15 mm |
| C. | 20 mm |
| D. | 25 mm |
| Answer» E. | |
| 345. |
If diameter of a reinforcement bar is d , the anchorge value of the hook is |
| A. | 4 d |
| B. | 8 d |
| C. | 12 d |
| D. | 16 d |
| Answer» E. | |
| 346. |
In a combined footing if shear stress does not exceed 5 kg/cm 2 , the nominal stirrups provided are |
| A. | 6 legged |
| B. | 8 legged |
| C. | 10 legged |
| D. | 12 legged |
| Answer» C. 10 legged | |
| 347. |
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 | |
| 348. |
If C is creep coefficient, f is original prestress 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 | |
| 349. |
A part of the slab may be considered as the flange of the T-beam if |
| A. | flange has adequate reinforcement transverse to beam |
| B. | it is built integrally with the beam |
| C. | it is effectively bonded together with the beam |
| D. | all the above. |
| Answer» E. | |
| 350. |
A pre-stressed concrete member |
| A. | is made of concrete |
| B. | is made of reinforced concrete |
| C. | is stressed after casting |
| D. | possesses internal stresses. |
| Answer» E. | |