Four column of the same material having identical geometric properties are supported in different ways as shown below

It is required to order these four beams in the increasing order of their respective first buckling loads. The correct order is given by

The following two statements are made with reference to the planar truss shown below :

$${\rm I}.$$ The truss is statically determinate
$${\rm II}.$$ The truss is kinematically determinate

With reference to the above statements, which of the following applies ?

Identify the FALSE statement from the following, pertaining to the methods of structural analysis.

A simply supported beam with an overhang is traversed by a unit concentrated moment from left to the right as shown below:

The influence line for reaction at $$B$$ is given by