Q.1
A plate girder is used when
  • a) span is large and loads are heavy
  • b) span is small and loads are heavy
  • c) span is small and loads are light
  • d) span is large and loads are light
Q.2
Why plate girder is preferred over truss girder?
  • a) plate girder requires costly maintenance
  • b) higher vertical clearance required for plate girder than truss girder
  • c) cost of fabrication of plate girder is high
  • d) cost of fabrication of truss girder is high
Q.3
Bending resistance of plate girders can be increased by
  • a) decreasing distance between flanges
  • b) increasing distance between flanges
  • c) reducing distance between flanges to half
  • d) bending resistance cannot be increased
Q.4
Which of the following is economical if depth is limited and loads are too large?
  • a) rolled section beam
  • b) truss girder
  • c) welded box plate girder
  • d) bolted box plate girder
Q.5
An ideal bolted plate girder section consists of
  • a) flange angles and cover plates for both compression flange and tension flange
  • b) flange angles and cover plates for compression flange and only flange angle for tension flange
  • c) only flange angle for compression flange and flange angles and cover plates for tension flange
  • d) flange angles for both compression flange and tension flange
Q.6
The modes of failure of plate girder are
  • a) by yielding of compression flange only
  • b) by buckling of tension flange only
  • c) by yielding of tension flange and buckling of compression flange
  • d) by yielding of compression flange and buckling of tension flange
Q.7
At high shear locations in the girder web, principal plane will be ______ to longitudinal axis of member
  • a) inclined
  • b) parallel
  • c) perpendicular
  • d) coincides
Q.8
Which of the following causes web buckling in plate girder?
  • a) diagonal tension
  • b) diagonal compression
  • c) diagonal tension and diagonal compression
  • d) neither diagonal tension nor diagonal compression
Q.9
Which of the following statement is correct for reducing web buckling due to diagonal compression?
  • a) not providing web stiffeners to increase shear strength
  • b) providing web stiffeners to reduce shear strength
  • c) increasing depth-to-thickness ratio
  • d) reducing depth-to-thickness ratio
Q.10
Which of the following is correct during tension field action?
  • a) web can resist diagonal compression
  • b) horizontal component of diagonal compression is supported by flanges
  • c) vertical component of diagonal compression is supported by flanges
  • d) vertical component of diagonal compression is supported by stiffeners
Q.11
Which of the statement is not true about intermediate stiffeners?
  • a) they reduce shear capacity of web
  • b) they improve shear capacity of web
  • c) they can be used to develop tension field action
  • d) their main purpose is to provide stiffness to the web
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