Generally the purlins are placed at the panel points so as to avoid__________________?

Related Mcqs:

1. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?

   A. 1
   B. 2
   C. 3
   D. 4

2. A circular column section is generally not used in actual practice because________________?

   A. it is uneconomical
   B. it cannot carry the load safely
   C. it is difficult to connect beams to the round sections
   D. all of the above

3. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which________________?

   A. is at the maximum distance from CG of the rivet group
   B. is at the minimum distance from CG of the rivet group
   C. gives the maximum angle between the two forces Fa and Fm
   D. gives the minimum angle between the two forces Fa and Fm

   where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet

4. A butt weld is specified by__________________?

   A. effective throat thickness
   B. plate thickness
   C. size of weld
   D. penetration thickness

5. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?

   A. 180
   B. 200
   C. 250
   D. 350

6. As per IS : 800, for compression flange, the outstand of flange plates should not exceed________________?

   A. 121
   B. 161
   C. 201
   D. 251

   where t = thickness of thinnest flange plate

7. In case of timber structures, the simple bending formula M = fz may be applied for________________?

   A. rectangular beams up to 300 mm depth
   B. all rectangular beams
   C. solid circular beams only
   D. all square cross-section beams

8. Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than_________________?

   A. 500 mm
   B. 600 mm
   C. 1000 mm
   D. 300 mm

9. The minimum thickness of plates in a steel stack should be___________________?

   A. 4 mm
   B. 5 mm
   C. 6 mm
   D. 8 mm

10. The forces acting on the web splice of a plate girder are__________________?

    A. axial forces
    B. shear and axial forces
    C. shear and bending forces
    D. axial and bending forces