Design of Steel Structure
Roof Trusses
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The top line of roof truss is called as ________ *
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The lowest edge of the sloping surface of roof is called: *
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King post trusses are used for spans ______ *
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The self weight of a roof truss (N/m2) may be obtained by *
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 If 'p' is the basic wind pressure, for buildings with large opening design pressure on a wall is taken *
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The economic spacing of a roof truss depends upon the *
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The range of economical spacing of trusses varies from *
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The maximum permissible span of asbestos cement sheets is *
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Normally, the angle of roof truss with asbestos sheets should not be less than *
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For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as *
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The risk coefficient k, depends on *
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The external wind pressure acting on a roof depends on *
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Area of openings for buildings of large permeability is more than *
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As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into *
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The number of seismic zones in which the country has been divided are *
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