A. for statically determinate structures only
B. when the system behaves elastically
C. only when principle of superposition is valid
D. none of the above
Structural Analysis
The degree of static indeterminacy up to which column analogy method can be used is__________________?
A. 2
B. 3
C. 4
D. unrestricted
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
A pin-jointed plane frame is unstable if________________?
A. (m + r)<2j
B. m + r = 2j
C. (m + r)>2j
D. none of the above
where m is number of members, r is reaction components and j is number of joints
The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in_________________?
A. vertical direction
B. horizontal direction
C. inclined direction
D. the direction in which the deflection is required
The deformation of a spring produced by a unit load is called _________________?
A. stiffness
B. flexibility
C. influence coefficient
D. unit strain
The degree of static indeterminacy of a rigid-jointed space frame is_________________?
A. m + r – 2j
B. m + r – 3j
C. 3m + r – 3j
D. 6m + r – 6j
where m, r and j have their usual meanings
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
Select the correct statement?
A. Flexibility matrix is a square symmetrical matrix
B. Stiffness matrix is a square symmetrical matrix
C. both A. and B.
D. none of the above
A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?
A. 0.16 Wl
B. 0.20 Wl
C. 0.24 Wl
D. 0.25 Wl
