168) Hudson′s formula gives the dead weight of a truss bridge as a function of

bottom chord area

top chord area

effective span of bridge

heaviest axle load of engine

Answer is:

bottom chord area

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169) 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

0.5

between 0.5 and 1.0

Answer is:

between 0.5 and 1.0

170) If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called

deck type

through type

half through type

double deck type

Answer is:

half through type

171) The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

1.23 m above the rail level

1.50 m above the rail level

1.83 m above the rail level

2.13 m above the rail level

Answer is:

1.83 m above the rail level

172) The effect of racking forces is considered in the design of i)lateral braces ii)chord members The correct answer is

only (i)

only (ii)

both (i) and (ii)

none of the above

Answer is:

only (i)

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168) Hudson′s formula gives the dead weight of a truss bridge as a function of

bottom chord area

Structural Engineering II MCQ with Answers

Related Structural Engineering II MCQ with Answers

169) 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

between 0.5 and 1.0

170) If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called

half through type

171) The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

1.83 m above the rail level

172) The effect of racking forces is considered in the design of i)lateral braces ii)chord members The correct answer is

only (i)

Structural Engineering II MCQ with Answers