Engineering - Civil Enginnering

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1.

The heaviest I-section for same depth is                        
A. ISMB B. ISLB
C. ISHB D. ISWB



2.

Bending compressive and tensile stresses respectively are calculated based on                        
A. net area and gross area B. gross area and net area
C. net area in both cases D. gross area in both cases



3.

If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as                        
A. 120 mm B. 160 mm
C. 200 mm D. 300 mm




4.

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate                        
A. fully by direct bearing B. fully through fastenings
C. 50% by direct bearing and 50% through fastenings D. 75% by direct bearing and 25% through fastenings



5.

When the axis of load lies in the plane of rivet group, then the rivets are subjected to                        
A. only shear stresses B. only tensile stresses
C. both (a) and (b) D. none of the above



6.

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which
where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.                        
A. is at the maximum distance from CG of the rivet group B. is at the minimum distance from CG of the rivet group
C. gives the maximum angle between the two forces Fa and Fm D. gives the minimum angle between the two forces Fa and Fm



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