The web crippling due to excessive bearing stress can be avoided by_________________?

Related Mcqs:

1. The allowable shear stress in the web of mild steel beams decreases with__________________?

   A. decrease in h/t ratio
   B. increase in h/t ratio
   C. decrease in thickness
   D. increase in height
   where ‘h’ is height and t is thickness

2. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?

   A. tension failure of the plate
   B. shear failure of the rivet
   C. shear failure of the plate
   D. crushing failure of the rivet

3. 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

4. Bearing stiffener in a plate girder is used to__________________?

   A. transfer the load from the top flange to the bottom one
   B. prevent buckling of web
   C. decrease the effective depth of web
   D. prevent excessive deflection

5. compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?

   A. bearing and shear
   B. bending and shear
   C. bearing and bending
   D. bearing, shear and bending

6. Bearing stiffeners are provided at________________?

   i) the supports
   ii) the mid span
   iii) the point of application of concentrated loads
   The correct answer is?

   A. only (i)
   B. both (i) and (ii)
   C. both (i) and (iii)
   D. (i), (ii) and (iii)

7. 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

8. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?

   A. 1.5dV/C
   B. 1.5d¥/C
   C. 1.5d¥/C2
   D. 1.5dY/C3

   where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’

9. 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

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