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)

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

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Structural Analysis
The effective length of lacing is the distance

Between the inner end rivets of the bar for single lacing
Between the inner ends of effective lengths of welds connecting the members
0.7 of the distance between the inner end rivets of the bar for double lacing
All of these

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