1.
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is

2.
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than

3.
Normally, the angle of roof truss with asbestos sheets should not be less than

4.
Diameter of a bolt hole is usually taken as

5.
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of
(where, t = the web thickness in mm h = the outstand of stiffener in mm)

6.
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

7.
A circular column section is generally not used in actual practice because

8.
The actual thickness of butt weld as compared to the thickness of plate is usually

9.
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

10.
The external wind pressure acting on a roof depends on

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