Civil Engineering – Steel Structures Mock test – 2 Welcome to your Steel structures Mock test - 2 Take an exciting test in Steel Structures You have only 20 mins to complete the test (30 Questions) Wish you all the best!!! Name Email 1. The beams supporting the steps of a stair are generally known as A. headers B. trimmers C. stringers D. spandrel beams.2. The minimum pitch of rivet holes of diameter d should not be less than A. d B. 1.25 d C. 1.5 d D. 2 d E. 2.5 d3. When a large value of radius of gyration is not required A. channels are placed back to back B. channel flanges are kept inward C. channel flanges are kept outward D. none of these.4. If the depth of the section of an upper column is smaller than the lower column A. filler plates are provided with column splice B. bearing plates are provided with column splice C. neither filler plates nor bearing plates are provided with column splice D. filler plates and bearing plates are provided with column splice5. In case of cantilever fillers, the ratio of the span L to depth d, should not exceed A. 4 B. 8 C. 12 D. 166. A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to depth, is A. < 19 B. < 24 C. > 19 D. > 247. The effective length of a weld, is taken as the actual length A. minus the size of weld B. minus twice the size of weld C. plus the size of weld D. plus twice the size of weld8. The rivets which are heated and then driven in the field, are known A. power driven shop rivets B. power driven field rivets C. hand driven rivets D. cold driven rivets9. The gross diameter of a rivet is the diameter of A. cold rivet before driving B. rivet after driving C. rivet hole D. none of these.10. Spans of continuous fillers are considered approximately equal if the longest span does not exceed the shortest span by more than A. 5% B. 10% C. 15% D. 20% E. 25%11. The permissible bearing stress in steel, is A. 1500 kg/cm2 B. 1890 kg/cm2 C. 2025 kg/cm2 D. 2340 kg/cm212. Rolled steel Tee-sections are used A. as columns B. with flat strips to connect plates in steel rectangular tanks C. as built up sections to resist axial tension D. none of these.13. If the slenderness ratio is greater than 160, the allowable stress in axial compression is multiplied by a factor (1.2 - (l/xy) where x is A. 200 B. 400 C. 600 D. 80014. For steel members not exposed to weather, the thickness of steel should not be less than A. 4.5 mm B. 6 mm C. 8 mm D. 10 mm15. The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called A. crippling load B. buckling load C. critical load D. all the above.16. A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed A. 180 B. 200 C. 250 D. 300 E. 35017. The effective length L of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by A. L = span B. L = 0.85 span C. L = 0.75 span D. L = 0.7 span18. The slenderness ratio of a column is zero when its length A. is zero B. is equal to its radius of gyration C. is supported on all sides throughout its length D. is between the points of zero moments.19. For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of A. the section B. the section plus area of rivet holes C. the section minus area of rivet holes D. tthe section multiplied by the area of the rivet hole.20. The spans are considered approximately equal if the longest span does not exceed the shortest span by more than A. 5% B. 10% C. 15% D. 20%21. According to IS : 800-1962 the permissible bending stress in steel slab plates, is A. 1500 kg/cm2 B. 1420 kg/cm2 C. 2125 kg/cm2 D. 1890 kg/cm222. The strength of a riveted lap joint is equal to its A. shearing strength B. bearing strength C. tearing strength D. least of (a), (b) and (c) E. greatest of (a) (b) and (c).23. When a load is transferred through one surface to another surface in contact, the stress is known as A. tensile stress B. compressive stress C. shearing stress D. working stress E. none of these.24. Rolled steel beams are designated by Indian Standard series and its A. weight per metre and depth of its section B. depth of section and weight per metre C. width of flange and weight per metre D. weight per metre and flange width.25. The effective length of a compression member of length L, held in position and restrained in direction at both ends, is A. L B. 0.67 L C. 0.85 L D. 1.5 L E. 2 L26. When two plates are placed end to end and are joined by two cover plates, the joint is known as A. lap joint B. butt joint C. chain riveted lap joint D. zig-zag riveted lap joint E. double cover butt joint.27. The moment of the couple set up in a section of a beam by the logitudinal compressive and tensile force, is known as A. bending moment B. moment of resistance C. flexural stress moment D. none of these.28. The Indian standard code which deals with steel structures, is A. IS : 875 B. IS : 800 C. IS : 456 D. IS : 189329. Poisson's ratio for steel within elastic limit, ranges from A. 0.15 to 0.20 B. 0.25 to 0.24 C. 0.25 to 0.33 D. 0.33 to 0.3530. Pick up the correct statement from the following: A. The minimum pitch should not be less than 2.5 times the gross diameter of the river B. The minimum pitch should not be less than 12 times the gross diameter of the rivet C. The maximum pitch should not exceed 10 times the thickness or 150 mm whichever is less in compression D. 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