Minimum spacing of vertical stiffeners is limited to________________?

Related Mcqs:

1. The maximum spacing of vertical stiffeners is_________________?

   A. 1.33 d
   B. 1.25 d
   C. 1.5 d
   D. 1.75 d

   where d is the distance between flange angles

2. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?

   A. 75 t2/h
   B. 125 t3/h2
   C. 125 t2/h
   D. 175 t2/h

   where, t = the web thickness in mm
   h = the outstand of stiffener in mm

3. 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’

4. 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

5. 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)

6. The range of economical spacing of trusses varies from________________?

   A. L/3 to L/5
   B. L/4to2L/5
   C. L/3 to L/2
   D. 2L/5 to 3L/5 where L is span

7. Maximum pitch of rivets, used in steel stacks, is limited to_______________?

   A. 6t
   B. 101
   C. 121
   D. 161
   where t is thickness of thinner plate being connected

8. 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

9. 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

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

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