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.
| 101. |
The best arrangement to provide unified behaviour in built up steel columns is by______________? |
| A. | lacing |
| B. | battening |
| C. | tie plates |
| D. | perforated cover plates |
| Answer» B. battening | |
| 102. |
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of’h’ is__________________? |
| A. | 10 m |
| B. | 20 m |
| C. | 25 m |
| D. | 50 m |
| Answer» B. 20 m | |
| 103. |
The allowable tensile stress in structural mild steel plates for steel tank is assumed as________________? |
| A. | 95.0 MPa on net area |
| B. | 105.5 MPa on net area |
| C. | 105.5 MPa on gross area |
| D. | 150.0 MPa on gross area |
| Answer» C. 105.5 MPa on gross area | |
| 104. |
The allowable shear stress in the web of mild steel beams decreases with__________________? |
| A. | decrease in h/t ratio |
| B. | increase in h/t ratio |
| C. | decrease in thickness |
| D. | increase in height |
| Answer» C. decrease in thickness | |
| 105. |
The actual thickness of butt weld as compared to the thickness of plate is usually________________? |
| A. | more |
| B. | less |
| C. | equal |
| D. | none of the above |
| Answer» B. less | |
| 106. |
Rivets connecting flange angles to cover plates in a plate girder are subjected to_________________? |
| A. | horizontal shear only |
| B. | vertical load only |
| C. | both (A. and (B. |
| D. | none of the above |
| Answer» B. vertical load only | |
| 107. |
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than_________________? |
| A. | 500 mm |
| B. | 600 mm |
| C. | 1000 mm |
| D. | 300 mm |
| Answer» D. 300 mm | |
| 108. |
Other conditions being same, the load factor in indeterminate structures is_______________? |
| A. | equal to load factor in determinate structures |
| B. | more than the load factor in determinate structures |
| C. | less than the load factor in determinate structures |
| D. | unpredictable |
| Answer» C. less than the load factor in determinate structures | |
| 109. |
Normally, the angle of roof truss with asbestos sheets should not be less than_______________? |
| A. | 26’/2° |
| B. | 30° |
| C. | 35° |
| D. | 40° |
| Answer» C. 35° | |
| 110. |
Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is______________? |
| A. | 5 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 111. |
Minimum spacing of vertical stiffeners is limited to________________? |
| A. | d/4 |
| B. | d/3 |
| C. | d/2 |
| D. | 2d/3 |
| Answer» C. d/2 | |
| 112. |
Minimum pitch provided in riveted steel tanks is________________? |
| A. | 1.5 d |
| B. | 2.0 d |
| C. | 2.5 d |
| D. | 3.0 d |
| Answer» E. | |
| 113. |
Maximum pitch of rivets, used in steel stacks, is limited to_______________? |
| A. | 6t |
| B. | 101 |
| C. | 121 |
| D. | 161 |
| Answer» C. 121 | |
| 114. |
Lug angles_________________? |
| A. | are used to reduce the length of connection. |
| B. | are unequal angles. |
| C. | increases shear lag |
| D. | all the above |
| Answer» B. are unequal angles. | |
| 115. |
Load factor is____________________? |
| A. | always equal to factor of safety |
| B. | always less than factor of safety |
| C. | always greater than factor of safety |
| D. | sometimes greater than factor of safety |
| Answer» D. sometimes greater than factor of safety | |
| 116. |
Lacing bars in a steel column should be designed to resist_________________? |
| A. | bending moment due to 2.5% of the column load |
| B. | shear force due to 2.5% of the column load |
| C. | 2.5% of the column load |
| D. | both (A) and (B) |
| Answer» C. 2.5% of the column load | |
| 117. |
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________? |
| A. | 501 |
| B. | 851 |
| C. | 200 t |
| D. | 2501 |
| Answer» C. 200 t | |
| 118. |
In the virtual work method, the virtual quantity is_________________? |
| A. | displacement |
| B. | load |
| C. | slope |
| D. | moment |
| Answer» B. load | |
| 119. |
In moment resistant connections, the moment resistance of riveted connection depends upon________________? |
| A. | shear in rivets |
| B. | compression in rivets |
| C. | tension in rivets |
| D. | strength of rivets in bearing |
| Answer» D. strength of rivets in bearing | |
| 120. |
In case of timber structures, the simple bending formula M = fz may be applied for________________? |
| A. | rectangular beams up to 300 mm depth |
| B. | all rectangular beams |
| C. | solid circular beams only |
| D. | all square cross-section beams |
| Answer» B. all rectangular beams | |
| 121. |
In case of timber structures, the form factor for solid circular cross-section is taken as_________________? |
| A. | 1.18 |
| B. | 1.414 |
| C. | 1.67 |
| D. | 1.81 |
| Answer» B. 1.414 | |
| 122. |
In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be________________? |
| A. | 0.55 Awfy |
| B. | 0.65 Awfy |
| C. | 0.75 Awfy |
| D. | 0.85 Awfy |
| Answer» B. 0.65 Awfy | |
| 123. |
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. | fully by direct bearing |
| B. | fully through fastenings |
| C. | 50% by direct bearing and 50% through fastenings |
| D. | 75% by direct bearing and 25% through fastenings |
| Answer» D. 75% by direct bearing and 25% through fastenings | |
| 124. |
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________? |
| A. | 120 mm |
| B. | 160 mm |
| C. | 200 mm |
| D. | 300 mm |
| Answer» C. 200 mm | |
| 125. |
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. | 16 mm |
| B. | 20 mm |
| C. | 24 mm |
| D. | 27 mm |
| Answer» D. 27 mm | |
| 126. |
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________? |
| A. | 0 |
| B. | 0.5 |
| C. | between 0.5 and 1.0 |
| D. | 1.0 |
| Answer» D. 1.0 | |
| 127. |
If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called________________? |
| A. | deck type |
| B. | through type |
| C. | half through type |
| D. | double deck type |
| Answer» D. double deck type | |
| 128. |
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be______________? |
| A. | 40mm |
| B. | 60mm |
| C. | 80mm |
| D. | 100mm |
| Answer» C. 80mm | |
| 129. |
Hudson’s formula gives the dead weight of a truss bridge as a function of_________________? |
| A. | bottom chord area |
| B. | top chord area |
| C. | effective span of bridge |
| D. | heaviest axle load of engine |
| Answer» B. top chord area | |
| 130. |
Horizontal stiffener in a plate girder is provided to safeguard against_______________? |
| A. | shear buckling of web plate |
| B. | compression buckling of web plate |
| C. | yielding |
| D. | all of the above |
| Answer» C. yielding | |
| 131. |
Generally the purlins are placed at the panel points so as to avoid__________________? |
| A. | axial force in rafter |
| B. | shear force in rafter |
| C. | deflection of rafter |
| D. | bending moment in rafter |
| Answer» E. | |
| 132. |
Gantry girders are designed to resist_________________? |
| A. | lateral loads |
| B. | longitudinal loads and vertical loads |
| C. | lateral, longitudinal and vertical loads |
| D. | lateral and longitudinal loads |
| Answer» D. lateral and longitudinal loads | |
| 133. |
Formation of snow occurs if the cloud temperature is________________? |
| A. | Just above the freezing point |
| B. | At the freezing point |
| C. | Below the freezing point |
| D. | None of these |
| Answer» D. None of these | |
| 134. |
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________? |
| A. | zero |
| B. | ±0.2p |
| C. | ± 0.5 p |
| D. | ±0.7p |
| Answer» C. ± 0.5 p | |
| 135. |
For rivets in tension with counter-sunk heads, the tensile value shall be____________________? |
| A. | reduced by 25 % |
| B. | reduced by 33.3% |
| C. | increased by 25 % |
| D. | increased by 33.3 % |
| Answer» C. increased by 25 % | |
| 136. |
For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________? |
| A. | 1:1 |
| B. | 1 : V2 |
| C. | V2 : 1 |
| D. | 2: 1 |
| Answer» D. 2: 1 | |
| 137. |
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is_________________? |
| A. | 40% |
| B. | 50% |
| C. | 60% |
| D. | 70% |
| Answer» D. 70% | |
| 138. |
Economical depth of a plate girder corresponds to_________________? |
| A. | minimum weight |
| B. | minimum depth |
| C. | maximum weight |
| D. | minimum thickness of web |
| Answer» B. minimum depth | |
| 139. |
compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________? |
| A. | bearing and shear |
| B. | bending and shear |
| C. | bearing and bending |
| D. | bearing, shear and bending |
| Answer» E. | |
| 140. |
Bolts are most suitable to carry_________________? |
| A. | shear |
| B. | bending |
| C. | axial tension |
| D. | shear and bending |
| Answer» D. shear and bending | |
| 141. |
Bending compressive and tensile stresses respectively are calculated based on_________________? |
| A. | net area and gross area |
| B. | gross area and net area |
| C. | net area in both cases |
| D. | gross area in both cases |
| Answer» C. net area in both cases | |
| 142. |
Bearing stiffeners are provided at________________?_x005F_x000D_i) the supports_x005F_x000D_ii) the mid span_x005F_x000D_iii) the point of application of concentrated loads_x005F_x000D_The correct answer is? |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |
| 143. |
Bearing stiffener in a plate girder is used to__________________? |
| A. | transfer the load from the top flange to the bottom one |
| B. | prevent buckling of web |
| C. | decrease the effective depth of web |
| D. | prevent excessive deflection |
| Answer» C. decrease the effective depth of web | |
| 144. |
Battening is preferable when the________________?_x005F_x000D_i) column carries axial load only_x005F_x000D_ii) space between the two main components is not very large_x005F_x000D_iii) column is eccentrically loaded_x005F_x000D_The correct answer is |
| A. | only (i) |
| B. | only (iii) |
| C. | (i) and (ii) |
| D. | (ii) and (iii) |
| Answer» D. (ii) and (iii) | |
| 145. |
As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?_x005F_x000D_(i) Dead load 1.7_x005F_x000D_(ii) Dead Load + imposed load 1.7_x005F_x000D_(iii) Dead load + load due to wind or 1.3 seismic forces_x005F_x000D_(iv) Dead load + imposed load + load 1.7_x005F_x000D_due to wind or seismic forces Of these statements |
| A. | (i) and (ii) are correct |
| B. | (i), (ii) and (iii) are correct |
| C. | (ii) and (iii) are correct |
| D. | only (i) is correct |
| Answer» B. (i), (ii) and (iii) are correct | |
| 146. |
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________? |
| A. | 4 zones |
| B. | 5 zones |
| C. | 6 zones |
| D. | 7 zones |
| Answer» D. 7 zones | |
| 147. |
As per IS : 800, for compression flange, the outstand of flange plates should not exceed________________? |
| A. | 121 |
| B. | 161 |
| C. | 201 |
| D. | 251 |
| Answer» C. 201 | |
| 148. |
As compared to field rivets, the shop rivets are________________? |
| A. | stronger |
| B. | weaker |
| C. | equally strong |
| D. | any of the above |
| Answer» B. weaker | |
| 149. |
Area of openings for buildings of large permeability is more than_________________? |
| A. | 10% of wall area |
| B. | 20% of wall area |
| C. | 30% of wall area |
| D. | 50% of wall area |
| Answer» C. 30% of wall area | |
| 150. |
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________? |
| A. | 10° to 30° |
| B. | 30° to 40° |
| C. | 40° to 70° |
| D. | 90° |
| Answer» D. 90° | |