Pin jointed frame is unstable if
How many internal reactions are released in an internal roller?
What will be the value of reduction factor R1 if the value of At is 500 ft2?
The intermediate support of the row of arches is called
Pick the incorrect method from the following displacement methods:
The number of members in a perfect frame is given by the equation:
The ratio of Euler's buckling loads of columns with the same parameters having both ends fixed to both ends hinged is:
If the external force acting on a structure decreases, then the internal strain energy will:
Influence line for redundant structures can be obtained by
Which structural system is generally more economically viable or cheaper than the other?