Roof Truss in Design Of Steel Structures : Practice MCQ Questions & Answers with Explanations

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Design Of Steel StructuresMediumRoof Truss

What is the positive and negative internal pressure coefficient recommended as per IS:875-1987 in designing buildings where claddings permit the flow of air through openings NOT more than 5% of the wall area?

0.2

0.3

0.35

0.1

Correct Answer:

A — 0.2

Explanation:

Explanation: Design of roof truss for wind load: The most critical load on an industrial building is the wind load. In the design of roofs and walls of an industrial building, the pressure difference between the opposite faces of such elements accounts for external and internal air pressure exerted by the wind blowing against the building. The openings in relation to the wall area define the permeability of the building.

Roof Truss : Design Of Steel Structures MCQ Practice Questions & Answers (Sanskrit) - ObjectiveMcq