Steel Structures Design Mock test – 5 || Civil Engineering Mock tests Welcome to your Steel structures Mock test - 5 Take an exciting test in Steel Structures Design You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1. 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 mm2. 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)3. Diameter of a bolt hole is usually taken a (A) Gross diameter of bolt (B) Nominal diameter + 1.5 mm (C) Nominal diameter + 2.0 mm (D) Nominal diameter of bolt4. The maximum spacing of vertical stiffeners is Where d is the distance between flange angles (A) 1.33 d (B) 1.25 d (C) 1.5 d (D) 1.75 d 5. The effective length of a double angle strut with angles placed back to back and connected to both the sides of a gusset plate, by not less than two rivets, is (A) 0.5 L (B) 0.67 L (C) 0.85 L (D) 2 L6. Number of rivets required in a joint, is (A) Load/Shear strength of a rivet (B) Load/Bearing strength of a rivet (C) Load/Tearing strength of a rivet (D) Load/Rivet value7. The mechanism method and the statical method give (A) Lower and upper bounds respectively on the strength of structure (B) Upper and lower bounds respectively on the strength of structure (C) Lower bound on the strength of structure (D) Upper bound on the strength of structure8. The effective length of a battened column is increased by (A) 5 % (B) 10 % (C) 15% (D) 20 %9. When a tension member is made of four angles with a plate as a web, the allowance for holes is made as (A) Two holes for each angle and one hole for the web (B) One hole for each angle and one hole for the web (C) One hole for each angle and two holes for the web (D) Two holes for each angle and two holes for the web10. Minimum pitch provided in riveted steel tanks is (A) 1.5 d (B) 2.0 d (C) 2.5 d (D) 3.0 d11. The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than (A) 45 (B) 55 (C) 62 (D) 8212. Effective sectional area of a compression member is: (A) Gross sectional area - area of rivet hole (B) Gross sectional area + area of rivet hole (C) Gross sectional area × area of rivet hole (D) Gross sectional area + area of rivet hole13. The range of economical spacing of trusses varies from where L is span (A) L/3 to L/5 (B) L/4 to 2L/5 (C) L/3 to L/2 (D) 2L/5 to 3L/514. 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 %15. To keep the intensity of bearing pressure between the column base and concrete compressive and to vary from zero to 2P/BL, the ratio of the moment M to the axial load P should be (A) L/2 (B) L/3 (C) L/4 (D) L/616. The external wind pressure acting on a roof depends on (A) Degree of permeability of roof (B) Slope of roof (C) Both (A) and (B) (D) None of the above17. When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from (A) Each web (B) Each flange (C) Each web or one hole from each flange whichever is more (D) Each web or one hole from each flange whichever is less18. Load factor is (A) Always equal to factor of safety (B) Always less than factor of safety (C) Always greater than factor of safety (D) Sometimes greater than factor of safety19. In plastic analysis, the shape factor for circular sections, is (A) 1.5 (B) 1.6 (C) 1.697 (D) None of these20. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as (A) 0 (B) 0.5 (C) Between 0.5 and 1.0 (D) 1.021. 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) Double cover butt joint22. The actual thickness of butt weld as compared to the thickness of plate is usually (A) More (B) Less (C) Equal (D) None of the above23. The number of seismic zones in which the country has been divided is (A) 3 (B) 5 (C) 6 (D) 724. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is (A) 150 (B) 180 (C) 250 (D) 35025. The slenderness ratio of lacing bars should not exceed (A) 100 (B) 120 (C) 145 (D) 180 Share to all