If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be__________________?

Related Mcqs:

1. 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

2. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is______________?

   A. 5 mm
   B. 6 mm
   C. 8 mm
   D. 10 mm

3. The actual thickness of butt weld as compared to the thickness of plate is usually________________?

   A. more
   B. less
   C. equal
   D. none of the above

4. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________?

   A. 120 mm
   B. 160 mm
   C. 200 mm
   D. 300 mm

5. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?

   A. 4.5 mm
   B. 6 mm
   C. 8 mm
   D. 10 mm

6. When the axis of load lies in the plane of rivet group, then the rivets are subjected to________________?

   A. only shear stresses
   B. only tensile stresses
   C. both (A) and (B)
   D. none of the above

7. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate__________________?

   A. fully by direct bearing
   B. fully through fastenings
   C. 50% by direct bearing and 50% through fastenings
   D. 75% by direct bearing and 25% through fastenings

8. Shear buckling of web in a plate girder is prevented by using________________?

   A. vertical intermediate stiffener
   B. horizontal stiffener at neutral axis
   C. bearing stiffener
   D. none of the above

9. Rivets connecting flange angles to cover plates in a plate girder are subjected to_________________?

   A. horizontal shear only
   B. vertical load only
   C. both (A. and (B.
   D. none of the above

10. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?

    A. 501
    B. 851
    C. 200 t
    D. 2501

    where t is thickness of web