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.Management Sciences
Category: Structural Analysis
For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust__________________?
A. is increased
B. is decreased
C. remains unchanged
D. becomes zero
While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of__________________?
A. zero length
B. infinite length
C. zero moment of inertia
D. none of the above
If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?
A. stable and statically determinate
B. stable and statically indeterminate
C. unstable
D. none of the above
where m is number of members, r is reaction components and j is number of joints
When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that___________________?
A. the head of the load reaches the section
B. the tail of the load reaches the section
C. the load position should be such that the section divides it equally on both sides
D. the load position should be such that the section divides the load in the same ratio as it divides the
Principle of superposition is applicable when___________________?
A. deflections are linear functions of applied forces
B. material obeys Hooke’s law
C. the action of applied forces will be affected by small deformations of the structure
D. none of the above
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
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
The carryover factor in a prismatic member whose far end is fixed is___________________?
A. 0
B. 1/2
C. 3/4
D. 1
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