1. Vertical deflection of gantry girder for electrically operated cranes over 500 KN is _____.
[A] span/400
[B] span/750
[C] span/500
[D] span/1000
Answer: Option D
2. Intermediate vertical stiffeners are provided in plate girders to _____.
[A] Eliminate web buckling
[B] Eliminate local buckling
[C] Prevent excessive deflection
[D] To transfer concentrated loads
Answer: Option A
3. Minimum spacing of vertical stiffeners in plate girder of depth d is limited to _____.
[A] d/4
[B] d/3
[C] d/2
[D] 2d/3
Answer: Option B
4. In case of bolted plate girder, the angle section that is used should be _____.
[A] Unequal with long leg connected
[B] Unequal with short leg connected
[C] Equal angle
[D] Equal angle connected back to back
Answer: Option B
5. Which of the following types of failure is more prone to take place when web of the plate girder is made too thick?
[A] Local buckling
[B] Shear buckling
[C] Flexural buckling
[D]Shear yielding
Answer: Option D
6. In plastic analysis of structures, the segment between any two successive plastic hinges is assumed to deform as _____.
[A] Plastic material
[B] A rigid material
[C] An elastic material
[D] An inelastic material
Answer: Option B