Question

26.51 The bending moment in an arch is proportional to:

1. Vertical ordinate of the arch
2. Intercept between the arch axis and the funicular polygon
3. Vertical ordinate of the funicular polygon
4. None of the above

26.52 A cable can resist:

1. Axial thrust
2. Shear force
3. Torsion
4. Tension

26.53 A suspended cable hinged at two ends is a:

1. Statically unstable structure
2. Statically indeterminate structure
3. Geometrically unstable structure

26.54 A suspended cable stiffened by a three hinged truss is:

1. Statically indeterminate
2. Geometrically indeterminate
3. Geometrically unstable
4. Statically determinate

26.55 A suspended cable with a two-hinged stiffening truss is:

1. Statically indeterminate
2. Statically determinate
3. Structurally unstable
4. None of the above

26.56 A shallow parabolic cable when subjected to a uniformly distributed load infinitely long develops:

1. Zero bending moment
2. Infinite bending moment
3. Zero axial force
4. None of the above

26.57 The force in suspenders of a shallow parabolic cable suspension bridge, stiffened by a three-hinged truss when the truss is subjected to a moving unit load is:

1. Same
2. Varies with the position of the load
3. More than the unit load
4. None of the above

26.58 The horizontal component of tension in the cable of a suspension bridge with three-hinged stiffening girder is maximum when a moving load is at:

1. Support
2. Mid span
3. Quarter point
4. Varies

26.59 The bending moment at a section in a suspension cable bridge is usually ----------- when compared with a simply supported truss:

1. More
2. Not related
3. Less
4. Can be less or more

26.60 The maximum BM due to a moving load in a three-hinged stiffened truss suspension cable bridge occurs at about:

1. Mid span
2. Quarter span
3. Support
4. Unpredictable completely

26.61 The members of a portal frame are usually subjected to:

(a)

(b)

(c)Bending, shear and axial force

(d) Bending, shear and torsion

26.62 A cable-stayed structure is close to ---------- in behavior:

1. Trusses
2. Suspended cable
3. Suspended arches
4. None of the above

26.63 Stress ribbon structures are close to ----------- in behavior:

1. Cables
2. Trusses
3. Suspension bridges
4. None of the above

Answer 1