Q.1

The permissible stress in bending for rolled steel I-beams and channels, is

  • 1500 kg/cm2
  • 1575 kg/cm2
  • 945 kg/cm2
  • 1650 kg/cm2
  • 1875 kg/cm2
Q.2

The minimum edge distance of a rivet line connecting two or more plates, is kept equal tomm plus (where t is the thickness in mm of the thinner outside plate).

  • 2 t
  • 4 t
  • 6 t
  • 8 t
  • 10 t
Q.3

Column footing is provided

  • to spread the column load over a larger area
  • to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
  • to distribute the column load over soil through the column footing
  • all the above.
Q.4

Secant formula for direct stress in compression, is applicable only for slenderness ratio upto

  • 120
  • 130
  • 140
  • 150
  • 160
Q.5

Pick up the correct statement from the following:

  • 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.
Q.6

Pick up the correct statement from the following:

  • When the gauge distance is larger than the pitch, the failure of the section may occur in a zig-zag line
  • When the gauge distance is smaller than the pitch, the failure of the section may occur in a straight right angle section through the centre of rivet holes
  • When the gauge distance and pitch are both equal, the failure to the section becomes more likely as the diameter of the holes increases
  • All the above.
Q.7

A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than

  • d/250 for structural steel
  • d/225 for high tensile steel
  • both (c) and (b)
  • neither (a) nor (b)
Q.8

Live load

  • varies in magnitude
  • varies in position
  • is expressed as uniformly distributed load
  • All the above.
Q.9

Net sectional area of a tension member, is equal to its gross section area

  • plus the area of the rivet holes
  • divided by the area of rivet holes
  • multiplied by the area of the rivet holes
  • minus the area of the rivet holes
  • none of these.
Q.10

In plastic analysis, the shape factor for circular sections, is

  • 1.5
  • 1.6
  • 1.697
  • none of these.
Q.11

Web crippling generally occurs at the point where

  • bending moment is maximum
  • shearing force is minimum
  • concentrated loads act
  • deflection is maximum
  • all the above.
Q.12

The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is

  • 180
  • 200
  • 250
  • 300
  • 350
Q.13

The ratio of longitudinal stress to strain within eiastic limit, is known as

  • modulus of elasticity
  • shear modulus of elasticity
  • bulk modulus of elasticity
  • tangent modulus of elasticity
  • all the above.
Q.14

The rolled steel I-sections are most commonly used as beams because these provide

  • large moment of inertia with less cross-sectional area
  • large moment of resistance as compared to other section
  • greater lateral stability
  • all the above.
Q.15

The most economical section for a column, is

  • rectangular
  • solid round
  • flat strip
  • tubular section
  • hexagonal.
Q.16

The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called

  • pitch of rivet
  • gauge distance of rivet
  • staggered pitch
  • all the above
  • none of these.
Q.17

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
  • None of these.
Q.18

The average shear stress for rolled steel beam section, is

  • 845 kg/cm2
  • 945 kg/cm2
  • 1025 kg/cm2
  • 1500 kg/cm2
  • 1875 kg/cm2
Q.19

If d is the distance between the flange angles, the vertical stiffeners in plate girders are spaced not greater than

  • d
  • 1.25 d
  • 1.5 d
  • 1.75 d
Q.20

The thickness t of a single flat lacing should not be less than

  • 1/30 th length between inner end rivets
  • 1/40 th length between inner end rivets
  • 1/50 th length between inner end rivets
  • 1/60 th length between inner end rivets
  • none of these.
Q.21

If the depth of two column sections are equal, then the column splice is provided

  • with filler plates
  • with bearing plates
  • with filler and hearing plates
  • none of these.
Q.22

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 in pairs one on each side of the web
  • Horizontal stiffeners may be placed alternately on opposite sides of the web
  • All the above.
Q.23

Tongue plates are provided in a steel girder at

  • the upper flange
  • the lower flange
  • the upper end of the web
  • the lower end of the web
  • the upper and lower ends of the web.
Q.24

The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is

  • L
  • 0.67 L
  • 0.85 L
  • 1.5 L
  • 2 L
Q.25

A beam is defined as a structural member subjected to

  • axial loading
  • transverse loading
  • axial and transverse loading
  • none of these.
Q.26

The moment of the couple set up in a section of a beam by the logitudinal compressive and tensile force, is known as

  • bending moment
  • moment of resistance
  • flexural stress moment
  • none of these.
Q.27

The allowable stress in axial tension for rolled I-sections and channels, is taken as

  • 1420 kg/cm2
  • 1500 kg/cm2
  • 2125 kg/cm2
  • 1810 kg/cm2
Q.28

For a rectangular section, the ratio of the maximum and average shear stresses, is

  • 1.5
  • 2.0
  • 2.5
  • 3.0
  • 4.0
Q.29

If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section isthe slenderness ratio of the stanchion, is

  • 60
  • 70
  • 80
  • 90
  • 100
Q.30

For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels).

  • 4 mm
  • 6 mm
  • 8 mm
  • 10 mm
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