The beam sections in which the extreme fibre in compression can yield stress, but cannot develop the plastic moment of resistance, due to local buckling are classified as
plastic sections
compact sections
semi-compact sections
slender sections
Browse topic-based Civil and Mechanical Engineering practice sets.
1131 practice sets · Page 7 of 57
The beam sections in which the extreme fibre in compression can yield stress, but cannot develop the plastic moment of resistance, due to local buckling are classified as
plastic sections
compact sections
semi-compact sections
slender sections
The advantage of steel structure is
needs less space
quality is assured
speed of construction is high
all the above
The A.C. sheets should be fastened to purlins by 8 mm hook bolts at a maximum pitch of
300 mm
350 mm
400 mm
500 mm
Slenderness ratio l of a vertical stiffener in a plate girder may be taken as
0.5 L/r
0.7 L/r
0.75 L/r
L/r
Size of rivet hole is kept...................more them size of rivet
1 to 1.5 mm
1.5 to 2 mm
2–3 mm
3–4.5 mm
Simple post-critical method may be used for finding shear buckling resistance of web in case of plate girder
without vertical stiffeners only
with vertical stiffeners only
with or without vertical stiffeners
with vertical and horizontal stiffeners.
Rolled steel tubes are referred by their
outer radius
outer diameters
inner diameter
average diameter
Prying forces should be considered in designing
HSFG bolts
black bolts
turned bolts
all bearing bolts
Preferable pitch, if snow load is expected is
12-Jan
4-Jan
6-Jan
8-Jan
Pitch of a roof truss means
none of the above
Height / Span
Height / 0.5 span
inclination of top chord
Partial safety factors for dead load and live load for limit state of strength are
1.0 and 1.05
1.5 and 1.5
1.5 and 1.0
1.5 and 1.05
Partial safety factor for shop welding and field welding are
1.5 and 1.5
1.10 and 1.25
1.25 and 1.25
1.25 and 1.5
Partial safety factor for limit state of serviceability for live load and dead load are
1.0 and 1.0
1.5 and 1.3
1.5 and 1.2
1.2 and 1.0
Minimum thickness of rolled steel flats available is
12 mm
5 mm
6 mm
8 mm
Minimum pitch, if AC sheets are used is
12-Jan
4-Jan
6-Jan
8-Jan
Minimum pitch if GI sheets are used is
12-Jan
4-Jan
6-Jan
8-Jan
Minimum edge distances specified by the code should be maintained to avoid
both b and c
rupture of plate
shearing of plate
crushing of plate
Minimum edge distance, in case of hand flame cut edges, shall not be less than.............times bolthole diameter.
1.8
1.2
1.5
1.7
Maximum width of steel plates manufactured are
2.5 m
1 m
1.5 m
2.0 m
Maximum thickness of rolled steel strip are
8.0 mm
2.45 mm
4.5 mm
6.0 mm