Structural Analysis
If in a pin-jointed plane frame (m + r) > 2j, then the frame is (Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints)

Stable and statically determinate
None of these
Unstable
Stable and statically indeterminate

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Structural Analysis
The effective and actual lengths of a cantilever are same if continuous at the support,

With partial restraint against torsion of the support and free at the end
None of these
Unstrained against torsion at the support and free at the end
Restrained against torsion at the support and free at the end

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Structural Analysis
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when

The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
None of these
The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration

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