Q.1
The portal bracing in a truss bridge is used to
  • Transfer load from top of end posts to bearings
  • Keep the rectangular shape of the bridge cross-section
  • Stiffen the structure laterally
  • Prevent the sides-way buckling of top chord
Q.2
As per IS :for the purposes of specifying basic wind velocity, the country has been divided into
  • 4 zones
  • 5 zones
  • 6 zones
  • 7 zones
Q.3
In case of timber structures, the simple bending formula M = fz may be applied for
  • rectangular beams up to 300 mm depth
  • all rectangular beams
  • solid circular beams only
  • all square cross-section beams
Q.4
Other conditions being same, the load factor in indeterminate structures is
  • Equal to load factor in determinate structures
  • More than the load factor in determinate structures
  • Less than the load factor in determinate structures
  • Unpredictable
Q.5
The allowable tensile stress in structural mild steel plates for steel tank is assumed as
  • 95.0 MPa on net area
  • 105.5 MPa on net area
  • 105.5 MPa on gross area
  • 150.0 MPa on gross area
Q.6
Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
  • 1.5 d
  • 2.0 d
  • 2.5 d
  • 3.0 d
Q.7
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
  • 0
  • 0.5
  • between 0.5 and 1.0
  • 1.0
Q.8
The external wind pressure acting on a roof depends on
  • degree of permeability of roof
  • slope of roof
  • both (a) and (b)
  • none of the above
Q.9
The slenderness ratio of a column supported throughout its length by a masonry wall is
  • zero
  • 10
  • 100
  • infinity
Q.10
The difference between gross diameter and nominal diameter for the rivets up tomm diameter is
  • 1.0 mm
  • 1.5 mm
  • 2.0 mm
  • 2.5 mm
Q.11
If the thickness of thinnest outside plate ismm, then the maximum pitch of rivets in tension will be taken as
  • 120 mm
  • 160 mm
  • 200 mm
  • 300 mm
Q.12
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
  • 1
  • 2
  • 3
  • 4
0 h : 0 m : 1 s