Category: Structural Analysis

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

A. m + r – 2j
B. m + r – 3j
C. 3m + r – 3j
D. m + r + 3j

where m is number of unknown member forces, r is unknown reaction components and j is number of joints

i) trusses
ii) statically determinate beams and frames
iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law
iv) any statically indeterminate structure

The correct answer is ?

A. (i), (ii) and (iii)
B. (i), (ii) and (iv)
C. (i) and (ii)
D. only (i)

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

A. 2
B. 3
C. 4
D. unrestricted

A. moment distribution method
B. column analogy method
C. three moment equation
D. none of the above

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

A. vertical direction
B. horizontal direction
C. inclined direction
D. the direction in which the deflection is required

A. stiffness
B. flexibility
C. influence coefficient
D. unit strain

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