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This set of Design of Steel Structures Multiple Choice Questions & Answers (MCQs) focuses on Design Of Steel Structures Set 6
Q1 | Lug angles
- are used to reduce the length of connection
- are unequal angles
- increases shear lag
- all the above
Q2 | The Indian standard code which deals with steel structures, is
- is : 875
- is : 800
- is : 456
- is : 1893
Q3 | When the axis of load lies in the plane of rivet group, then the rivets are subjected to
- only shear stresses
- only tensile stresses
- both (a) and (b)
- none of the above
Q4 | For double angles carrying tension, placed back to back and connected to either side of the gussetplate, the sectional area of the section, is equal to cross sectional area of
- the section
- the section plus area of rivet holes
- the section minus area of rivet holes
- the section multiplied by the area of the rivet hole
Q5 | The beam outside a wall upto floor level above it, is known as
- rafter
- purlin
- spandrel beam
- lintel
Q6 | In the cross-section of a weld, throat is the
- minimum dimension
- average dimension
- maximum dimension
- none of the above
Q7 | The rivets which are heated and then driven in the field, are known
- power driven shop rivets
- power driven field rivets
- hand driven rivets
- cold driven rivets
Q8 | According to IS: 800, in the Merchant Rankine formula the value of imperfection index (n) is
- 1.0
- 1.4
- 1.8
- 2.0
Q9 | When a large value of radius of gyration is not required
- channels are placed back to back
- channel flanges are kept inward
- channel flanges are kept outward
- none of these
Q10 | The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called
- modulus of elasticity
- shear modulus of elasticity
- bulk modulus of elasticity
- all the above
Q11 | Minimum thickness of web in a plate girder, when the plate is accessible and also exposed toweather, is
- 5 mm
- 6 mm
- 8 mm
- 10 mm
Q12 | If d is the distance between the flange angles, the vertical stiffeners in plate girders withouthorizontal stiffeners, are spaced at a distance not less than
- 0.15 d
- 0.22 d
- 0.33 d
- 0.44 d
Q13 | Long column is one
- which is more than 3 m long
- whose lateral dimension is less than 25 cm
- which is free at its top
- which has a ratio of effective length and least lateral dimension more than 15
Q14 | To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shallbe
- 1
- 2
- 3
- 4
Q15 | When the length of a tension member is too long
- a wire rope is used
- a rod is used
- a bar is used
- a single angle is used
Q16 | In factory buildings, the horizontal beams spanning between the wall columns supporting a wallcovering, are called
- stringers
- trimmers
- girts
- lintels
Q17 | The minimum thickness of plates in a steel stack should be
- 4 mm
- 5 mm
- 6 mm
- 8 mm
Q18 | To keep the intensity of bearing pressure between the column base and concrete, compressivethroughout the length of the column base, the ratio of the moment M to axial load P should be
- < l/3
- < l/6
- > l/3
- > l/6
Q19 | A structural member subjected to tensile force in a direction parallel to its longitudinal axis, isgenerally known as
- a tie
- a tie member
- a tension member
- all the above
Q20 | Compression force in two end posts, the pin of a rocker bearing in a bridge is designed for
- bearing and shear
- bending and shear
- bearing and bending
- bearing, shear and bending
Q21 | The ratio of plastic section modulus to elastic section modulus
- is equal to 1
- is always less than 1
- is always greater than 1
- can be less than 1
Q22 | Bulb angles are used in
- column building
- bridge building
- ship building
- water tank building
Q23 | The diameter of a bolt hole is taken as the nominal diameter of the bolt plus
- 1.0 mm
- 1.2 mm
- 1.4 mm
- 1.6 mm