civil engineering MCQs – Page 263

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs

5241. Horizontal stiffener in a plate girder is provided to safeguard against_______________?
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A. shear buckling of web plate

B. yielding

C. compression buckling of web plate

D. all of the above

5242. 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_________________?
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A. 1

B. between 0.5 and 1.0

C. 0.5

D. 0

5243. compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?
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A. bearing, shear and bending

B. bending and shear

C. bearing and shear

D. bearing and bending

5244. Lug angles_________________?
0

A. are used to reduce the length of connection.

B. all the above

C. increases shear lag.

D. are unequal angles.

5245. Battening is preferable when the________________?
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A. space between the two main components is not very large

B. ) column is eccentrically loaded </strong>

C. correct answer is

D. column carries axial load only

5246. 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___________________?
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A. 75 t2/h

B. 175 t2/h

C. 125 t2/h

D. 125 t3/h2

5247. Lacing bars in a steel column should be designed to resist_________________?
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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)

5248. Minimum spacing of vertical stiffeners is limited to________________?
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A. 2d/3

B. d/3

C. d/2

D. d/4

5249. The live load for a sloping roof with slope 15, where access is not provided to roof, is taken as_______________?
0

A. 0.75 kN/m2

B. 1.35 kN/m2

C. 0.65 kN/m2

D. 1.50 kN/m2

5250. As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?
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A. 7 zones

B. 5 zones

C. 4 zones

D. 6 zones

5251. The overlap of batten plates with the main members in welded connections should be more than____________________?
0

A. 6t

B. 8t

C. 4t

D. 3t

E. re t = thickness of the batten plate

5252. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?
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A. 2501

B. 200 t

C. 501

D. 851

5253. In the virtual work method, the virtual quantity is_________________?
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A. load

B. displacement

C. slope

D. moment

5254. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
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A. 1.83 m above the rail level

B. 1.23 m above the rail level

C. 2.13 m above the rail level

D. 1.50 m above the rail level

5255. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
0

A. 3

B. 2

C. 4

D. 1

5256. Load factor is____________________?
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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

5257. The maximum spacing of vertical stiffeners is_________________?
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A. 1.5 d

B. 1.33 d

C. 1.75 d

D. 1.25 d

5258. The forces acting on the web splice of a plate girder are__________________?
0

A. shear and bending forces

B. shear and axial forces

C. axial forces

D. axial and bending forces

5259. The moment-curvature relation at a plastic hinge is________________?
0

A. linear

B. parabolic

C. constant moment for all curvatures

D. constant curvature for all moments

5260. The basic wind speed is specified at a height h above mean ground level in an open terrain. The value ofh is__________________?
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A. 50 m

B. 25 m

C. 10 m

D. 20 m

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