31. The portal bracing in a truss bridge is used to
32. The ratio of plastic section modulus to elastic section modulus
33. The web crippling due to excessive bearing stress can be avoided by
34. Battening is preferable when the
i) column carries axial load only
ii) space between the two main components is not very large
iii) column is eccentrically loaded
The correct answer is
i) column carries axial load only
ii) space between the two main components is not very large
iii) column is eccentrically loaded
The correct answer is
35. Bearing stiffeners are provided at
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is
36. The effect of racking forces is considered in the design of
i) lateral braces
ii) chord members
The correct answer is
i) lateral braces
ii) chord members
The correct answer is
37. Study the following statements.
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
i) Top lateral bracing prevents the sidesway buckling of the chord.
ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
38. Select the correct statement
39. In case of timber structures, the form factor for solid circular cross-section is taken as
40. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as
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