MCQOPTIONS
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MCQOPTIONS
This section includes 179 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The maximum compressive strength on 15 cm cubes of M 20 grade concrete at 7 days, should be a minimum of |
| A. | 7 N/mm2 |
| B. | 10 N/mm2 |
| C. | 15 N/mm2 |
| D. | 20 N/mm2 |
| Answer» C. 15 N/mm2 | |
| 152. |
The ratio of the effective length to the least radius of gyration of a tie member of a roof truss, which gets subjected to reversal of stress shall not exceed |
| A. | 180 |
| B. | 200 |
| C. | 240 |
| D. | 350 |
| Answer» E. | |
| 153. |
For concreting of heavily reinforced sections without vibration, the workability of concrete should be |
| A. | very low |
| B. | low |
| C. | medium |
| D. | high. |
| Answer» E. | |
| 154. |
The grade of concrete generally not used in the reinforced concrete, is |
| A. | M 10 |
| B. | M 15 |
| C. | M 20 |
| D. | M 40 |
| Answer» B. M 15 | |
| 155. |
The value of E for allowable compressive stress for columns, in the formula is taken as |
| A. | 2000000 kg/cm2 |
| B. | 2044000 kg/cm2 |
| C. | 2045000 kg/cm2 |
| D. | 2047000 kg/cm2 |
| Answer» E. | |
| 156. |
For achieving suitably a low permeability |
| A. | strong and dense aggregates are used |
| B. | low water - cement ratio is used |
| C. | proper curing is done for hydration |
| D. | proper compaction is done |
| Answer» E. | |
| 157. |
If the dimensions of a rectangular section of a short column are 15 cm x 20 cm, its unsupported length should be restricted to |
| A. | 9.0 m |
| B. | 10.0 m |
| C. | 11.0 m |
| D. | 12.0 m |
| Answer» B. 10.0 m | |
| 158. |
If a column is subjected to dead load and super imposed load only, the maximum ratio should not be greater than |
| A. | 180 |
| B. | 250 |
| C. | 350 |
| D. | 400 |
| Answer» B. 250 | |
| 159. |
In compression members, the lap length of a bar should not be less than |
| A. | 12 φ |
| B. | 16 φ |
| C. | 20 φ |
| D. | 24 φ |
| Answer» E. | |
| 160. |
The cover to the main reinforced may be reduced up to one third of the specified cover but not less than |
| A. | 5 mm |
| B. | 7 mm |
| C. | 10 mm |
| D. | 15 mm |
| Answer» B. 7 mm | |
| 161. |
The value of the constant K in the formula for determining the minimum area of tension reinforcement in a beam is |
| A. | 0.95 |
| B. | 0.9 |
| C. | 0.85 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 162. |
For the stability of a structural part, the weight or anchorage should be |
| A. | 1.2 times the minimum overturning moment due to dead load |
| B. | 1.4 times the minimum overturning moment due to dead load |
| C. | sum of (a) and (b) |
| D. | none of these. |
| Answer» D. none of these. | |
| 163. |
For the reinforced concrete member totally immersed in sea water, the normal cover provided for the reinforcing bars is further increased by |
| A. | 10 mm |
| B. | 20 mm |
| C. | 30 mm |
| D. | 40 mm |
| Answer» E. | |
| 164. |
For nominal mix concrete M 15, the required weight of fine and coarse aggregates is 350 kg and the volume of water is |
| A. | 30 litres |
| B. | 32 litres |
| C. | 34 litres |
| D. | 45 litres |
| Answer» C. 34 litres | |
| 165. |
The value of fbct in the formula for calculating the thickness of a Rectangular base, according to IS : 800-1982, is |
| A. | 1500 kg/cm2 |
| B. | 1650 kg/cm2 |
| C. | 1800kg/cm2 |
| D. | 1890 kg/cm2 |
| Answer» E. | |
| 166. |
For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is |
| A. | lesser value |
| B. | greater value |
| C. | average of two values |
| D. | none of these. |
| Answer» D. none of these. | |
| 167. |
For battened struts, the effective length is increased by |
| A. | 0.05 |
| B. | 0.075 |
| C. | 0.1 |
| D. | 0.125 |
| Answer» D. 0.125 | |
| 168. |
The grade of plain concrete to be used in sea water or structures exposed to sea water, should be |
| A. | M lO |
| B. | M 15 |
| C. | M 20 |
| D. | M 30 |
| Answer» C. M 20 | |
| 169. |
The designed transverse shear in lacing is assumed as |
| A. | 2.5% of axial load |
| B. | 3% of axial load |
| C. | 3.5% of axial load |
| D. | 4% of axial load. |
| Answer» B. 3% of axial load | |
| 170. |
A continuous beam shall be deemed to be a deep beam if the ratio of its effective span to overall depth, is |
| A. | 2 |
| B. | 2.5 |
| C. | less than 2 |
| D. | less than 2.5 |
| Answer» C. less than 2 | |
| 171. |
The maximum area of compression reinforcement in a beam of cross section B x D is limited to |
| A. | 0.02 BD |
| B. | 0.03 BD |
| C. | 0.04 BD |
| D. | 0.05 BD |
| Answer» D. 0.05 BD | |
| 172. |
The permissible bending stresses Pbet for steel slab bases should not exceed |
| A. | 1500 kg/cm2 |
| B. | 1650 kg/cm2 |
| C. | 1800 kg/cm2 |
| D. | 1890 kg/cm2 |
| Answer» B. 1650 kg/cm2 | |
| 173. |
Pick up the correct precaution while spilicing the reinforcing bars |
| A. | These are provided away from the sections of maximum stress |
| B. | These are staggered |
| C. | These are provided if the B.M. is more than 50% of M.R. |
| D. | Not more than half the bars are spliced at a section |
| Answer» E. | |
| 174. |
The depth 'd' of webs without horizontal stiffeners and consisting of tongue plates is taken lesser than the depth of the girder between the flanges less the sum of the depth of the tongue plates, and |
| A. | eight times the sum of the thickness of tongue plates |
| B. | six times the sum of the thickness of tongue plates |
| C. | four times the sum of the thickness of tongue plates |
| D. | None of the above. |
| Answer» B. six times the sum of the thickness of tongue plates | |
| 175. |
For design of a column the eccentricity of loading shall be taken as the distance from the assumed point of application of the load to the centroid of the column, subject to a minimum of |
| A. | 10 mm |
| B. | 20 mm |
| C. | 30 mm |
| D. | 40 mm |
| Answer» E. | |
| 176. |
For the plain reinforcing bars in compression, the permissible design bond stress in tension, is increased by |
| A. | 0.1 |
| B. | 0.15 |
| C. | 0.2 |
| D. | 0.25 |
| Answer» E. | |
| 177. |
The gap between web plates and flange plates for fillet welds should not be more than |
| A. | 0.5 mm |
| B. | 0.75 mm |
| C. | 1.0 mm |
| D. | 1.25 mm |
| Answer» E. | |
| 178. |
For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to |
| A. | 5 mm less than the minimum clear distance between the main bars |
| B. | 5 mm less than the minimum cover to the reinforcement |
| C. | smaller of (a) and (b) |
| D. | greater of (a) and (b) |
| Answer» D. greater of (a) and (b) | |
| 179. |
The area of the concrete in compression plus the area of reinforcement transferred on the basis of modular ratio, is called |
| A. | transferred section |
| B. | equivalent section |
| C. | cracked section |
| D. | none of these. |
| Answer» D. none of these. | |