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This set of Design of Steel Structures Multiple Choice Questions & Answers (MCQs) focuses on Design Of Steel Structures Set 8
Q1 | Maximum permissible slenderness ratio of a member normally acting as a tie in a roof truss, is
- 180
- 200
- 250
- 350
Q2 | Normally, the angle of roof truss with asbestos sheets should not be less than
- 26½°
- 30°
- 35°
- 40°
Q3 | An imaginary line along which rivets are placed, is known as
- rivet line
- back line
- gauge line
- all the above
Q4 | Pick up the correct statement from the following:
- loaded columns are supported on column bases
- column bases transmit the column load to the concrete foundation
- column load is spread over a large area on concrete
- all the above
Q5 | The capacity of the smallest pressed steel tank is
- 1000 litre
- 1650 litre
- 1950 litre
- 2450 litre
Q6 | The permissible stress to which a structural member can be subjected to, is known as
- bearing stress
- working stress
- tensile stress
- compressive stress
Q7 | Tacking rivets in tension members, are provided at a pitch in line not exceeding
- 25 cm
- 50 cm
- 75 cm
- 100 cm
Q8 | In case of timber structures, the form factor for solid circular cross-section is taken as
- 1.18
- 1.414
- 1.67
- 1.81
Q9 | The distance between the outer faces of flanges of a plate girder, is known as
- overall depth
- clear depth
- effective depth
- none of these
Q10 | When the depth of a plate girder is at least times the depth of vertical leg of the flange angles,the girder is known as deep plate girder, if is
- 2
- 4
- 6
- 8
Q11 | Which of the following conditions is to be satisfied both in elastic and plastic analysis?
- equilibrium condition
- yield condition
- plastic moment condition
- mechanism condition
Q12 | If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a rivetedconnection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is
- 6
- 8
- 10
- 15
Q13 | The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameteris
- 1.0 mm
- 1.5 mm
- 2.0 mm
- 2.5 mm
Q14 | Pick up the correct statement from the following:
- 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
Q15 | The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, isrestricted to
- 180 t
- 220 t
- 230 t
- 270 t
Q16 | The maximum slenderness ratio of a compression member carrying both dead and superimposedload is
- 180
- 200
- 250
- 350
Q17 | Pick up the incorrect statement from the following:
- the nominal diameter of a rivet is its diameter before driving
- the gross diameter of a rivet is the diameter of rivet hole
- the gross area of a rivet is the cross-sectional area of the rivet hole
- the diameter of a rivet hole is equal to the nominal diameter of the rivet plus 1.5 mm
Q18 | Effective length of a column effectively held in position at both ends and restrained in direction atone end, is
- l
- 0.67 l
- 0.85 l
- 1.5 l
Q19 | If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-sectionis 5, the slenderness ratio of the stanchion, is
- 60
- 70
- 80
- 100
Q20 | For a cantilever beam of length continuous at the support and unrestrained against torsion atthe support and free at the end, the effective length is equal to
- l = l
- l = 2l
- l = 0.5l
- l = 3l
Q21 | Hudson's formula gives the dead weight of a truss bridge as a function of
- bottom chord area
- top chord area
- effective span of bridge
- heaviest axle load of engine
Q22 | The deflection of beams may be decreased by
- increasing the depth of beam
- increasing the span
- decreasing the depth of beam
- increasing the width of beam
Q23 | The moment-curvature relation at a plastic hinge is
- linear
- parabolic
- constant moment for all curvatures
- constant curvature for all moments
Q24 | If the depth of the section of an upper column is smaller than the lower column
- filler plates are provided with column splice
- bearing plates are provided with column splice
- filler plates and bearing plates are provided with column splice
- none of these