Design of Steel Structures

A. reduced by 25 %
B. reduced by 33.3%
C. increased by 25 %
D. increased by 33.3 %

A. shear in rivets
B. compression in rivets
C. tension in rivets
D. strength of rivets in bearing

A. 500 mm
B. 600 mm
C. 1000 mm
D. 300 mm

A. decrease in h/t ratio
B. increase in h/t ratio
C. decrease in thickness
D. increase in height
where ‘h’ is height and t is thickness

A. bottom chord area
B. top chord area
C. effective span of bridge
D. heaviest axle load of engine

A. stringer beam
B. lintel beam
C. spandrel beam
D. header beam

A. equal angles back to back
B. unqual legged angles with long legs back to back
C. unequal legged angles with short legs back to back
D. both (B) or (C)

A. 1.5dV/C
B. 1.5d¥/C
C. 1.5d¥/C2
D. 1.5dY/C3

where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’

A. 0.55 Awfy
B. 0.65 Awfy
C. 0.75 Awfy
D. 0.85 Awfy
where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel

(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7

due to wind or seismic forces Of these statements

A. (i) and (ii) are correct
B. (i), (ii) and (iii) are correct
C. (ii) and (iii) are correct
D. only (i) is correct