Steel Structure design

 1.The dead load includes ?

• self-weight of the structure 
• all superimposed loads 
• weight of stationary equipments 
• weight of furniture 

2.Which of the following statement is correct ?

• The rolled steel tubes are efficient structural sections to be used as compression members 
• The rolled steel flats are used for lacing of elements in built-up members 
• The rolled steel bars threaded or looped at the ends are used as tension members 
• all of the above 

3.The value of factor of safety is decided keeping in view ?

• average strength of material 
• value of design loads 
• value of internal forces 
• all of these 

4.When a single angle strut is connected to a gusset plate with one rivet, then the allowable working stress corresponding to the slenderness ratio of the member, is reduced to ?

• 60 % 
• 70 % 
• 80% 
• 90% 

5.A strut is a compression member which is ?

• small in length 
• loaded lightly 
• vertical or inclined 
• all of these 

6.The effective area of a butt weld is taken as the .............. of the effective throat thickness and the effective length of butt weld ?

• sum 
• difference 
• product 
• ratio 

7.Within the elastic range, the bulk modulus of elasticity is defined as the ratio of ?

• longitudinal stress to the longitudinal strain 
• shearing stress to the shearing strain 
• hydrostatic stress to the volumetric strain 
• none of the above 

8.The distance between two consecutive rivets of adjacent chains and measured at right angles in the direction of the force in the structural member, is known as ?

• pitch of rivet 
• staggered pitch of rivet 
• gauge distance of rivet 
• any one of these 

9.Effective length of a column is the length between the points of ?

• maximum moments 
• zero shear 
• zero shear 
• none of these 

10.Factor of safety is the number by which the yield stress of material is divided to give the ?

• bearing stress 
• bending stress 
• shear stress 
• working stress

11.When one is placed above the other and they are connected by means of rivets, the joint is known as ?

• lap joint 
• single cover butt joint 
• double cover butt joint 
• none of these 

12.When a single angle strut is connected with two or more number of rivets, its effective length is adopted as ............. times the length of the strut centre to centre of intersection of each end. ?

• 0.65 
• 0.75 
• 0.85 
• 0.95 

13.Which of the following statement is wrong ?

• The dead loads are known in the beginning of the design 
• The live load is expressed as uniformly distributed static load 
• The weight of furniture comes under live load 
• all of the above 

14.Number of rivets required in a riveted joint is equal to ?

• Force / Rivet value 
• Force / Strength of rivet in shearing 
• Force / Strength of rivet in bearing 
• Force / Strength of plate in tearing 

15.Slenderness ratio of a compression member is the ratio of effective length of the compression member to the ?

• area of cross-section 
• moment of inertia 
• radius of gyration 
• critical load 

16.The strength at which steel fails under repeated applications of load, is known as ?

• impact strength 
• tensile strength 
• yield strength 
• fatigue strength 

17.Which of the following statement is correct ?

• Snap heads are used for rivets connecting structural members 
• Snap head is also termed as button head 
• Counter sunk heads are used to provide a flush surface 
• all of the above 

18.If the same number of rivets are used in the joints, then which of the following pattern will yield highest efficiency ?

• Chain riveting 
• Zig-zag riveting 
• Diamond riveting 
• all of these 

19.Rolled steel angle sections are classified as ?

• two series 
• three series 
• four series 
• five series 

20.The outer and inner faces of a rolled steel beam section are inclined to each other and they intersect at a certain angle. This angle of intersection for Indian standard medium weight beams is ?

• 4° 
• 8° 
• 16° 
• 20°