MCQOPTIONS
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MCQOPTIONS
This section includes 264 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. |
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________? |
| A. | 1.0 |
| B. | 1.4 |
| C. | 1.8 |
| D. | 2.0 |
| Answer» C. 1.8 | |
| 152. |
According to IS Specifications, the maximum pitch of rivets in compression is_____________________? |
| A. | lesser of 200 mm and 12 t |
| B. | lesser of 200 mm and 161 |
| C. | lesser of 300 mm and 32 t |
| D. | lesser of 3 00 mm and 24 t |
| Answer» B. lesser of 200 mm and 161 | |
| 153. |
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as________________? |
| A. | 0.67 L |
| B. | 0.8 L |
| C. | L |
| D. | 1.5 L |
| Answer» C. L | |
| 154. |
A steel beam supporting loads from the floor slab as well as from wall is termed as________________? |
| A. | stringer beam |
| B. | lintel beam |
| C. | spandrel beam |
| D. | header beam |
| Answer» D. header beam | |
| 155. |
A circular column section is generally not used in actual practice because________________? |
| A. | it is uneconomical |
| B. | it cannot carry the load safely |
| C. | it is difficult to connect beams to the round sections |
| D. | all of the above |
| Answer» D. all of the above | |
| 156. |
A butt weld is specified by__________________? |
| A. | effective throat thickness |
| B. | plate thickness |
| C. | size of weld |
| D. | penetration thickness |
| Answer» B. plate thickness | |
| 157. |
The range of economical spacing of trusses varies from |
| A. | /3 to L/5 |
| B. | /4to2L/5 |
| C. | /3 to L/2 |
| D. | L/5 to 3L/5 where L is span |
| Answer» B. /4to2L/5 | |
| 158. |
The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate) |
| A. | t |
| B. | t |
| C. | t |
| D. | t |
| Answer» C. t | |
| 159. |
The least dimension in case of a circular column of diameter D is taken as |
| A. | .5 D |
| B. | .68 D |
| C. | .88 D |
| D. | .78 D |
| Answer» D. .78 D | |
| 160. |
Bolts are most suitable to carry |
| A. | hear |
| B. | ending |
| C. | xial tension |
| D. | hear and bending |
| Answer» D. hear and bending | |
| 161. |
The capacity of the smallest pressed steel tank is |
| A. | 000 litre |
| B. | 650 litre |
| C. | 950 litre |
| D. | 450 litre |
| Answer» D. 450 litre | |
| 162. |
Horizontal stiffener in a plate girder is provided to safeguard against |
| A. | hear buckling of web plate |
| B. | ompression buckling of web plate |
| C. | ielding |
| D. | ll of the above |
| Answer» C. ielding | |
| 163. |
If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be |
| A. | 6 mm |
| B. | 0 mm |
| C. | 4 mm |
| D. | 7 mm |
| Answer» D. 7 mm | |
| 164. |
Shape factor is a property which depends |
| A. | nly on the ultimate stress of the material |
| B. | nly on the yield stress of the material |
| C. | nly on the geometry of the section |
| D. | oth on the yield stress and ultimate stress of material |
| Answer» D. oth on the yield stress and ultimate stress of material | |
| 165. |
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is |
| A. | 0 |
| B. | 0.4 |
| C. | 0.8 |
| D. | 0 |
| Answer» C. 0.8 | |
| 166. |
The mechanism method and the statical method give |
| A. | ower and upper bounds respectively on the strength of structure |
| B. | pper and lower bounds respectively on the strength of structure |
| C. | ower bound on the strength of structure |
| D. | pper bound on the strength of structure |
| Answer» C. ower bound on the strength of structure | |
| 167. |
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as |
| A. | .65 kN/m2 |
| B. | .75 kN/m2 |
| C. | .35 kN/m2 |
| D. | .50 kN/m2 |
| Answer» B. .75 kN/m2 | |
| 168. |
For a standard 45° fillet, the ratio of size of fillet to throat thickness is |
| A. | :1 |
| B. | : V2 |
| C. | 2 : 1 |
| D. | : 1 |
| Answer» D. : 1 | |
| 169. |
In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate |
| A. | ully by direct bearing |
| B. | ully through fastenings |
| C. | 0% by direct bearing and 50% through fastenings |
| D. | 5% by direct bearing and 25% through fastenings |
| Answer» D. 5% by direct bearing and 25% through fastenings | |
| 170. |
The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be: |
| A. | .5 mm |
| B. | mm |
| C. | mm |
| D. | 0 mm |
| Answer» D. 0 mm | |
| 171. |
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.) |
| A. | s at the maximum distance from CG of the rivet group |
| B. | s at the minimum distance from CG of the rivet group |
| C. | ives the maximum angle between the two forces Fa and Fm |
| D. | ives the minimum angle between the two forces Fa and Fm |
| Answer» E. | |
| 172. |
The mechanism method of plastic analysis satisfies |
| A. | quilibrium and mechanism conditions |
| B. | quilibrium and plastic moment conditions |
| C. | echanism and plastic moment conditions |
| D. | quilibrium condition only |
| Answer» B. quilibrium and plastic moment conditions | |
| 173. |
Lug angles |
| A. | re used to reduce the length of connection. |
| B. | re unequal angles. |
| C. | ncreases shear lag. |
| D. | ll the above |
| Answer» B. re unequal angles. | |
| 174. |
Load factor is |
| A. | lways equal to factor of safety |
| B. | lways less than factor of safety |
| C. | lways greater than factor of safety |
| D. | ometimes greater than factor of safety |
| Answer» D. ometimes greater than factor of safety | |
| 175. |
Area of openings for buildings of large permeability is more than |
| A. | 0% of wall area |
| B. | 0% of wall area |
| C. | 0% of wall area |
| D. | 0% of wall area |
| Answer» C. 0% of wall area | |
| 176. |
For rivets in tension with counter-sunk heads, the tensile value shall be |
| A. | educed by 25 % |
| B. | educed by 33.3% |
| C. | ncreased by 25 % |
| D. | ncreased by 33.3 % |
| Answer» C. ncreased by 25 % | |
| 177. |
Bending compressive and tensile stresses respectively are calculated based on |
| A. | et area and gross area |
| B. | ross area and net area |
| C. | et area in both cases |
| D. | ross area in both cases |
| Answer» C. et area in both cases | |
| 178. |
Which of the following conditions is to be satisfied both in elastic and plastic analysis ? |
| A. | quilibrium condition |
| B. | ield condition |
| C. | lastic moment condition |
| D. | echanism condition |
| Answer» B. ield condition | |
| 179. |
The shape factor of an isosceles triangle for bending about the axis parallel to the base is: |
| A. | 0.5 |
| B. | 0.7 |
| C. | 0 |
| D. | 0.34 |
| Answer» E. | |
| 180. |
The minimum thickness of plates in a steel stack should be |
| A. | mm |
| B. | mm |
| C. | mm |
| D. | mm |
| Answer» D. mm | |
| 181. |
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be |
| A. | 0mm |
| B. | 0mm |
| C. | 0mm |
| D. | 00mm |
| Answer» C. 0mm | |
| 182. |
The relation between intensity of wind pressure p and velocity of wind V is taken as |
| A. | a V |
| B. | aV2 |
| C. | a (1/V) |
| D. | aV”2 |
| Answer» C. a (1/V) | |
| 183. |
The internal pressure coefficient on walls for buildings with large permeability is taken as |
| A. | 0.2 |
| B. | 0.5 |
| C. | 0.7 |
| Answer» D. | |
| 184. |
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration? |
| A. | qual angles back to back |
| B. | nqual legged angles with long legs back to back |
| C. | nequal legged angles with short legs back to back |
| D. | oth (b) or (c) |
| Answer» C. nequal legged angles with short legs back to back | |
| 185. |
The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness) |
| A. | ecrease in h/t ratio |
| B. | ncrease in h/t ratio |
| C. | ecrease in thickness |
| D. | ncrease in height |
| Answer» C. ecrease in thickness | |
| 186. |
The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as |
| A. | .8 L |
| B. | .3 L |
| C. | .1 L |
| D. | .5 L |
| Answer» D. .5 L | |
| 187. |
In case of timber structures, the form factor for solid circular cross-section is taken as |
| A. | 0.18 |
| B. | 0.414 |
| C. | 0.67 |
| D. | 0.81 |
| Answer» B. 0.414 | |
| 188. |
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into |
| A. | zones |
| B. | zones |
| C. | zones |
| D. | zones |
| Answer» D. zones | |
| 189. |
In case of timber structures, the simple bending formula M = fz may be applied for |
| A. | ectangular beams up to 300 mm depth |
| B. | ll rectangular beams |
| C. | olid circular beams only |
| D. | ll square cross-section beams |
| Answer» B. ll rectangular beams | |
| 190. |
Bearing stiffeners are provided ati) the supportsii) the mid spaniii) the point of application of concentrated loads The correct answer is |
| A. | nly (i) |
| B. | oth (i) and (ii) |
| C. | oth (i) and (iii) |
| D. | i), (ii) and (iii) |
| Answer» D. i), (ii) and (iii) | |
| 191. |
Battening is preferable when thei) column carries axial load onlyii) space between the two main components is not very largeiii) column is eccentrically loaded The correct answer is |
| A. | nly (i) |
| B. | nly (iii) |
| C. | i) and (ii) |
| D. | ii) and (iii) |
| Answer» D. ii) and (iii) | |
| 192. |
The web crippling due to excessive bearing stress can be avoided by |
| A. | ncreasing the web thickness |
| B. | roviding suitable stiffeners |
| C. | ncreasing the length of the bearing plates |
| D. | one of the above |
| Answer» D. one of the above | |
| 193. |
The external wind pressure acting on a roof depends on |
| A. | egree of permeability of roof |
| B. | lope of roof |
| C. | oth (a) and (b) |
| D. | one of the above |
| Answer» C. oth (a) and (b) | |
| 194. |
The slenderness ratio of a column supported throughout its length by a masonry wall is |
| A. | ero |
| B. | 0 |
| C. | 00 |
| D. | nfinity |
| Answer» B. 0 | |
| 195. |
Diameter of a bolt hole is usually taken as |
| A. | ross diameter of bolt |
| B. | ominal diameter + 1.5 mm |
| C. | ominal diameter + 2.0 mm |
| D. | ominal diameter of bolt |
| Answer» C. ominal diameter + 2.0 mm | |
| 196. |
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of(where, t = the web thickness in mm h = the outstand of stiffener in mm) |
| A. | 5 t2/h |
| B. | 25 t3/h2 |
| C. | 25 t2/h |
| D. | 75 t2/h |
| Answer» D. 75 t2/h | |
| 197. |
The moment-curvature relation at a plastic hinge is |
| A. | inear |
| B. | arabolic |
| C. | onstant moment for all curvatures |
| D. | onstant curvature for all moments |
| Answer» D. onstant curvature for all moments | |
| 198. |
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is |
| A. | 0% |
| B. | 0% |
| C. | 0% |
| D. | 0% |
| Answer» D. 0% | |
| 199. |
Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet) |
| A. | .5 d |
| B. | .0 d |
| C. | .5 d |
| D. | .0 d |
| Answer» D. .0 d | |
| 200. |
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is |
| A. | 0 m |
| B. | 0 m |
| C. | 5 m |
| D. | 0 m |
| Answer» B. 0 m | |