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Duration: 3Hrs.                                                                                                                                    M.Marks:75
Note: Use of IS: 800 and Steel Tables are permitted in examination.
Q1. a) Fill in the blanks.                                                                                                                               15×1=15
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u.d.l. of 65kN/m (inclusive of self weight).Take E = 2×105N/mm2
The Diameter of rivet is determined from formula ____
Diameter of rivet is determined from formula 6√tÂ
An Effective throat thickness in fillet weld is _____.
Effective throat thickness in fillet weld is 7x size of weld.
Permissible deflection for a steel beam is ______
Permissible deflection for a steel beam is span/325
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A built up beam to carry heavier loads over large span is called a _________.
A built up beam to carry heavier loads over large span is called a flexural member.
Buckling exhibits the failure of ______ member.
Buckling exhibits the failure of web member.   Â
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ISHB rolled sections are used for designing _____
ISHB rolled sections are used for designing Beam.
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Rise given to the bottom central panel of a roof truss is called _______
Rise given to the bottom central panel of a roof truss is called camber.
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Rolled steel sections are designated by ________ of its section and _________.
Rolled steel sections are designated by width of its section and Thickness.
Compression members in roof trusses are called ___________
Compression members in roof trusses are called upper chord.
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Splicing of the column is done to increase ____________.
Splicing of the column is done to increase length of the column.
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The arrangement of triangles in a truss depends on span. Unit of radius of gyration is mm2.
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If the masonry wall is directly resting on foundation block, then B = 3t .
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Wrought iron is strong in compression.
(False)
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Roof bracing is often necessary to provide stability.Â
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What is a plate girder? What are its various components? Explain with sketch.
Explain various forms of trusses with sketches.
What do you understand by plug and slot welds?
Plug and slot welds
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Explain any four rolled steel sections as per BIS.
Four rolled steel sections as per BIS.
Explain the terms slenderness ratio and radius of gyration ?
Slenderness ratio and radius of gyration
Explain various types of sections used as tension members.
Various types of sections used as tension members.
What are column bases and why these are used?
Column bases and why these are used.
What are laterally restrained beams?
Laterally restrained beams
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Two plates 12 mm and 10 mm thick are joined by a double riveted lap joint. 16 mm Φ rivets are provided at a pitch of 50 Use PDSR rivets. Take permissible tensile stress in plate = 150 MPa . Determine strength and efficiency of the joint.
Design a suitable section for a steel column to carry an axial load of 660kN. The length of the column is 5 m and is  restrained in position and  direction  at both ends.  Take fy =250N/mm2.
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Design a single angle discontinuous strut 3m long to carry a load of Also design welded connections and use 10mm thick gusset plate. Take yield stress fy =250N/mm2
Design a suitable section of steel beam having an effective span of 5m loaded with the u.d.l. of 65kN/m (inclusive of self weight).Take E = 2x105N/mm2