MCQOPTIONS
Saved Bookmarks
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.
| 351. |
If permissible working stresses in steel and concrete are respectively 1400 kg/cm 2 and 80 kg/cm 2 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. | |
| 352. |
[ A + ( m - 1) A SC ] 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 | |
| 353. |
A simply supported beam , 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm 2 , the area of steel required, is |
| A. | 14 cm 2 |
| B. | 15 cm 2 |
| C. | 16 cm 2 |
| D. | 17 cm 2 |
| Answer» D. 17 cm 2 | |
| 354. |
If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm 2 , the length of the beam having nominal reinforcement, is |
| A. | 4 cm |
| B. | 6 m |
| C. | 8 m |
| D. | 10 m |
| Answer» D. 10 m | |
| 355. |
In a singly reinforced beam, the effective depth is measured from its compression edge to |
| A. | tensile edge |
| B. | tensile reinforcement |
| C. | neutral axis of the beam |
| D. | longitudinal central axis. |
| Answer» C. neutral axis of the beam | |
| 356. |
Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to |
| A. | shear force |
| B. | area of the section |
| C. | distance of the C.G. of the area from its neutral axis |
| D. | moment of the beam section about its neutral axis |
| Answer» E. | |
| 357. |
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. | |
| 358. |
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. | |
| 359. |
If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm 2 , 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 | |
| 360. |
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm 2 and 1400 kg/cm 2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is |
| A. | 0.496% |
| B. | 0.596% |
| C. | 0.696% |
| D. | 0.796% |
| Answer» D. 0.796% | |
| 361. |
The maximum shear stress ( q max ) 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 | |
| 362. |
In a prestressed beam carrying an external load W with a bent tendon is having angle of inclination ? and prestressed load P . The net downward load at the centre is |
| A. | W - 2P cos ? |
| B. | W - P cos ? |
| C. | W - P sin ? |
| D. | W - 2P sin ? |
| Answer» E. | |
| 363. |
If the permissible compressive stress for a concrete in bending is C kg/m 2 , the modular ratio is |
| A. | 2800/ C |
| B. | 2300/2 C |
| C. | 2800/3 C |
| D. | 2800/ C 2 |
| Answer» D. 2800/ C 2 | |
| 364. |
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm 2 , safe shear stress 5 kg/cm 2 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 | |
| 365. |
A short column 20 cm x 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm 2 and 300 kg/cm 2 , the Safe load on the column, should not exceed |
| A. | 4120 kg |
| B. | 41, 200 kg |
| C. | 412, 000 kg |
| D. | none of these. |
| Answer» C. 412, 000 kg | |
| 366. |
If the average bending stress is 6 kg/cm 2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is |
| A. | 28 d |
| B. | 38 d |
| C. | 48 d |
| D. | 58 d |
| Answer» E. | |
| 367. |
In a combined footing if shear stress exceeds 5 kg/cm 2 , the nominal stirrups provided are: |
| A. | 6 legged |
| B. | 8 legged |
| C. | 10 legged |
| D. | 12 legged |
| Answer» E. | |