Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?

Related Mcqs:

1. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be______________?

   A. 40mm
   B. 60mm
   C. 80mm
   D. 100mm

2. Lacing bars in a steel column should be designed to resist_________________?

   A. bending moment due to 2.5% of the column load
   B. shear force due to 2.5% of the column load
   C. 2.5% of the column load
   D. both (A) and (B)

3. The slenderness ratio of lacing bars should not exceed________________?

   A. 100
   B. 120
   C. 145
   D. 180

4. Which of the following sections should preferably be used at places where torsion occurs ?

   A. angle section
   B. channel section
   C. box type section
   D. any of the above

5. 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

6. 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

7. The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________?

   A. 1.5
   B. 1.7
   C. 2.0
   D. 2.34

8. Normally, the angle of roof truss with asbestos sheets should not be less than_______________?

   A. 26’/2°
   B. 30°
   C. 35°
   D. 40°

9. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

   A. equal angles back to back
   B. unqual legged angles with long legs back to back
   C. unequal legged angles with short legs back to back
   D. both (B) or (C)

10. 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