1. Pick up correct statement for web stiffeners.

2. In column analogy method, area of an analogous column for a fixed beam of span L and flexural rigidity E$$I$$ is taken as

3. A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints)

4. The three moments equation is applicable only when

5. The effective length of lacing is distance

6. When a uniformly distributed load, longer than span of girder, moves from left to right, n maximum bending moment at mid section of span occurs when uniformly distributed load occupies

7. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

8. A cantilever of length ‘L’ is subjected to a bending moment ‘M’ at its free end. If E$$I$$ is flexural rigidity of section, deflection of free end, is

9. A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If maximum stress induced in bar is limited to N/mm², bending strain energy stored in bar, is

10. Stress may be defined as