Vertical stiffeners may be placed in pairs one on each side of the web
Single vertical stiffeners may be placed alternately on opposite sides of the web
Horizontal stiffeners may be placed alternately on opposite sides of the web
All the above
D. All the above
L
0.67 L
0.85 L
1.5 L
Only (i)
Both (i) and (ii)
Both (i) and (iii)
(i), (ii) and (iii)
Depth of the beam multiplied by its web thickness
Width of the flange multiplied by its web thickness
Sum of the flange width and depth of the beam multiplied by the web thickness
None of these
A wire rope is used
A rod is used
A bar is used
A single angle is used
Dead load includes self-weight of the structure and super-imposed loads permanently attached to the structure
Dead loads change their positions and vary in magnitude
Dead loads are known in the beginning of the design
None of these
1500 kg/cm2
1420 kg/cm2
2125 kg/cm2
1890 kg/cm2
Effective throat thickness
Plate thickness
Size of weld
Penetration thickness
The effective span
1.25 times the effective span
1.50 times the effective span
2.0 times the effective span
To simplify the transverse connections
To minimise lacing
To have greater lateral rigidity
All the above
A tie
A tie member
A tension member
All the above
η = p/p - d
η = p/p + d
η = p - d/p
η = p + d/p
½ of the thickness of thicker part
¾ of the thickness of thicker part
¾ of the thickness of thinner part
7/8 of the thickness of thinner part
2Vi % of the top panel wind load to bottom bracing
10% of the top panel wind load to bottom bracing
25% of the top panel wind load to bottom bracing
50% of the top panel wind load to bottom bracing
Net area and gross area
Gross area and net area
Net area in both cases
Gross area in both cases
As columns
With flat strips to connect plates in steel rectangular tanks
As built up sections to resist axial tension
None of these
1420 kg/cm2
1500 kg/cm2
2125 kg/cm2
1810 kg/cm2
Tacking rivets are used if the minimum distance between centres of two adjacent rivets exceeds 12 t or 200 mm, whichever is less
Tacking rivets are not considered to calculate stress
Tacking rivets are provided throughout the length of a compression member composed of two components back to back
All the above
Maximum stress produced by the eccentric load
Maximum stressed fibre
Bending stress
None of these
Shear failure
Shear failure of plates
Bearing failure
All the above
Fully by direct bearing
Fully through fastenings
50% by direct bearing and 50% through fastenings
75% by direct bearing and 25% through fastenings
Two holes for each angle and one hole for the web
One hole for each angle and one hole for the web
One hole for each angle and two holes for the web
Two holes for each angle and two holes for the web
fc = π²E/(I/r)²
fc = (I/r)²/ πE
fc = (I/r)/ πE
fc = π²E/(I/r)
26 ½°
30°
35°
40°
100
120
145
180
4.5 mm
6 mm
8 mm
10 mm
Lesser of 200 mm and 12 t
Lesser of 200 mm and 16 t
Lesser of 300 mm and 32 t
Lesser of 3 00 mm and 24 t Where t is thickness of thinnest outside plate or angle
Shear buckling of web plate
Compression buckling of web plate
Yielding
All of the above
1.00
0.67
1.67
2.67
Overall depth
Clear depth
Effective depth
None of these
Pc = π²EI/l²
Pc = πEI/l²
Pc = πEI/I²
None of these