The fixed support in a real beam becomes in the conjugate beam a___________________?
A. roller support
B. hinged support
C. fixed support
D. free end
Structural Analysis
Which of the following methods of structural analysis is a displacement method ?
Which of the following methods of structural analysis is a displacement method ?
A. moment distribution method
B. column analogy method
C. three moment equation
D. none of the above
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?
A. increase and decrease
B. increase and increase
C. decrease and increase
D. decrease and decrease
If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?
If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?
A. unstable
B. stable and statically determinate
C. stable and statically indeterminate
D. none of the above
Which of the following is not the displacement method ?
Which of the following is not the displacement method ?
A. Equilibrium method
B. Column analogy method
C. Moment distribution method
D. Kani’s method
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?
A. the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B. the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C. the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D. none of the above
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies_______________?
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies_______________?
A. less than the left half span
B. whole of left half span
C. more than the left half span
D. whole span
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?
A. 8 kN.m
B. 15 kN.m
C. 30 kN.m
D. 60 kN.m
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?
A. is increased
B. is decreased
C. remains unchanged
D. becomes zero
The Castigliano’s second theorem can be used to compute deflections________________?
The Castigliano’s second theorem can be used to compute deflections________________?
A. in statically determinate structures only
B. for any type of structure
C. at the point under the load only
D. for beams and frames only