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.Management Sciences
Category: Design of Steel Structures
As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?
(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
Shape factor is a property which depends________________?
A. only on the ultimate stress of the material
B. only on the yield stress of the material
C. only on the geometry of the section
D. both on the yield stress and ultimate stress of material
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________?
A. 120 mm
B. 160 mm
C. 200 mm
D. 300 mm
The least dimension in case of a circular column of diameter D is taken as_______________?
A. 0.5 D
B. 0.68 D
C. 0.88 D
D. D
Minimum spacing of vertical stiffeners is limited to________________?
A. d/4
B. d/3
C. d/2
D. 2d/3
where d is the distance between flange angles
In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be________________?
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
The minimum thickness of plates in a steel stack should be___________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
A. 1.0
B. 1.4
C. 1.8
D. 2.0
The forces acting on the web splice of a plate girder are__________________?
A. axial forces
B. shear and axial forces
C. shear and bending forces
D. axial and bending forces
The effective length of a battened column is increased by_________________?
A. 5%
B. 10%
C. 15%
D. 20%
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