Steel Structures Design Quiz Questions - Set 15 - ObjectiveBooks

Steel Structures Design Quiz Questions - Set 15

Practice Test: Question Set - 15

1. With usual notations of the letters, the shear stress fs at any point of the cross-section is given by
    (A) fs =FQ/It
    (B) fs =Ft/IQ
    (C) fs =It/FQ
    (D) fs =IF/Qt

2. According to IS Specifications, the maximum pitch of rivets in compression is
    (A) Lesser of 200 mm and 12 t
    (B) Lesser of 200 mm and 16 t
    (C) Lesser of 300 mm and 32 t
    (D) Lesser of 3 00 mm and 24 t
Where ‘t’ is thickness of thinnest outside plate or angle

3. 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 0.35

4. The minimum width B of a solid casing for a cased beam, is equal to
    (A) B = b + 25 mm
    (B) B = b + 50 mm
    (C) B = b + 75 mm
    (D) B = b + 100 mm

5. Horizontal stiffener in a plate girder is provided to safeguard against
    (A) Shear buckling of web plate
    (B) Compression buckling of web plate
    (C) Yielding
    (D) All of the above

6. If W and L are the total superimposed load and the span of a plate girder in meters, the approximate self weight (W) of the girder, is taken as
    (A) M = WL/100
    (B) M = WL/200
    (C) M = WL/300
    (D) M = WL/400

7. Maximum permissible slenderness ratio of a member normally acting as a tie in a roof truss, is
    (A) 180
    (B) 200
    (C) 250
    (D) 350

8. Normally, the angle of roof truss with asbestos sheets should not be less than
    (A) 26½°
    (B) 30°
    (C) 35°
    (D) 40°

9. An imaginary line along which rivets are placed, is known as
    (A) Rivet line
    (B) Back line
    (C) Gauge line
    (D) All the above

10. Pick up the correct statement from the following:
    (A) Loaded columns are supported on column bases
    (B) Column bases transmit the column load to the concrete foundation
    (C) Column load is spread over a large area on concrete
    (D) All the above

11. The capacity of the smallest pressed steel tank is
    (A) 1000 liter
    (B) 1650 liter
    (C) 1950 liter
    (D) 2450 liter

12. The permissible stress to which a structural member can be subjected to, is known as
    (A) Bearing stress
    (B) Working stress
    (C) Tensile stress
    (D) Compressive stress

13. Tacking rivets in tension members, are provided at a pitch in line not exceeding
    (A) 25 cm
    (B) 50 cm
    (C) 75 cm
    (D) 100 cm

14. In case of timber structures, the form factor for solid circular cross-section is taken as
    (A) 1.18
    (B) 1.414
    (C) 1.67
    (D) 1.81

15. The distance between the outer faces of flanges of a plate girder, is known as
    (A) Overall depth
    (B) Clear depth
    (C) Effective depth
    (D) None of these

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