|
1) Minimum spacing of vertical stiffeners is limited to________________? a. d/4 b. d/3 c. d/2 d. 2d/3
|
||||
|
2) 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
|
||||
|
3) The web crippling due to excessive bearing stress can be avoided by_________________? a. increasing the web thickness b. providing suitable stiffeners c. increasing the length of the bearing plates d. none of the above
|
||||
|
4) Horizontal stiffener in a plate girder is provided to safeguard against_______________? a. shear buckling of web plate b. compression buckling of web plate c. yielding d. all of the above
|
||||
|
5) Economical depth of a plate girder corresponds to_________________? a. minimum weight b. minimum depth c. maximum weight d. minimum thickness of web
|
||||
|
6) The overlap of batten plates with the main members in welded connections should be more than____________________? a. 3t b. 4t c. 6t d. 8t
|
||||
|
7) Battening is preferable when the________________?
i) column carries axial load only ii) space between the two main components is not very large iii) column is eccentrically loaded The correct answer is a. only (i) b. only (iii) c. (i) and (ii) d. (ii) and (iii)
|
||||
|
8) 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)
|
||||
|
9) 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
|
||||
|
10) Formation of snow occurs if the cloud temperature is________________? a. Just above the freezing point b. At the freezing point c. Below the freezing point d. None of these
|
||||
