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1 The successful introduction of _____ bolts resulted into replacement of rivets.

A HSFG B Turned C Black D All of the above

✅ Correct Answer: 1

2 In roof trusses bracings should be provided at top chord level in the

A last but one end panel using angles B last but one panel using flats C end panels using angles D end panels using flats

✅ Correct Answer: 3

3 Minimum edge distance specified by the code should be maintained to avoid

A rupture of plate B crushing of plate C shearing of plate D both b and c

✅ Correct Answer: 4

4 Rolled steel tubes are referred by their

A average diameter B outer radius C inner diameters D outer diameters

✅ Correct Answer: 3

5 For connecting circular tubes in tension, the best connection is by

A using HSFG bolts B welding C riveting D bolting

✅ Correct Answer: 2

6 Maximum width of steel plates manufactured are

A 1 m B 1.5 m C 2.5 m D 3.5 m

✅ Correct Answer: 3

7 In a compression member of a truss, consisting of double angle, tacking bolts should be provided at a distance not more than

A 500 mm B 600 mm C 1000 mm D 1200 mm

✅ Correct Answer: 2

8 For compression members most preferable I-section is

A heavy beam B medium beam C junior beam D light beam

✅ Correct Answer: 1

9 In designing connection between web plate and flange plate, shear stress is calculated using moment of inertia of

A one flange plate only B half the web plate and a flange plate C web plate and flange plates D web plate only

✅ Correct Answer: 1

10 Which one of the following is not a variable action?

A earthquake loads B handling erection loads C self weight D wind loads

✅ Correct Answer: 3

11 Which one of the following is not an advantage of bolted connection over welded connection?

A alterations in connections can be made easily in the field B making joint is noiseless C connection can be made easily D accommodates minor discrepancies in dimensions

✅ Correct Answer: 1

12 When the two columns to be spliced are of slightly different size

A bearing plates are used B milled end and bearing plated are used C filler plates are used D milled plates are used

✅ Correct Answer: 3

13 According to tension field method as web begins to buckle

A web resists only diagonal tension B horizontal component of diagonal compression in web due to shear is restricted by flange C vertical component of diagonal compression in web due to shear is resisted by vertical stiffener D all the above statements are correct

✅ Correct Answer: 4

14 Gantry girders are designed to resist

A lateral and longitudinal loads B lateral, longitudinal and vertical loads C longitudinal loads and vertical loads D lateral loads

✅ Correct Answer: 2

15 In the virtual work method, the virtual quantity is

A moment B slope C load D displacement

✅ Correct Answer: 4

16 Hudson's formula gives the dead weight of a truss bridge as a function of

A top chord area B heaviest axle load of engine C effective span of bridge D bottom chord area

✅ Correct Answer: 4

17 The weakest plane in a filler weld is

A the one normal to the throat B the one along the throat C a side normal to the force D a side parallel to the force

✅ Correct Answer: 2

18 The use of tie plates in laced columns is

A permitted between two parts of the lacing B permitted at start and end of lacing system only C prohibited D not prohibited

✅ Correct Answer: 2

19 Which of the following types of riveted joint is free from bending stresses?

A butt joint with single cover plate B butt joint with double cover plates C lap joint D none of these

✅ Correct Answer: 2

20 Load carrying capacity of compression member depends upon

A end condition B slenderness ratio C cross sectional area D All of the above

✅ Correct Answer: 4

21 The stress at which a material fractures under large number of reversals of stress is called

A residual stress B ultimate strength C endurance limit D creep

✅ Correct Answer: 3

22 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

A compact sections B semi-compact sections C slender sections D plastic sections

✅ Correct Answer: 2

23 Minimum thickness of rolled steel flats available is

A 5 m B 6 m C 8 m D 10 m

✅ Correct Answer: 1

24 The code does not suggests reduction factor for shear capacity in the case

A if the joint is too long B if number of bolts exceeds a specified number C if the grip length is large D if packing plate thickness exceeds 6 mm

✅ Correct Answer: 2

25 For HSFG bolts, partial safety factor designed at service load and at ultimate load are respectively

A 1.2 and 1.4 B 1.10 and 1.25 C 1.25 and 1.4 D 1.25 and 1.5

✅ Correct Answer: 2

26 Maximum spacing of lacing bars shall be such that the maximum slenderness of the main member between consecutive lacing connection is not more than

A 20 B 30 C 40 D 50

✅ Correct Answer: 4

27 Column splice plates may be assumed to act as columns with slenderness ratio

A zero B 20 C 30 D 40

✅ Correct Answer: 1

28 Bolts are most suitable to carry

A axial tension B shear and bending C bending D shear

✅ Correct Answer: 1

29 Economical depth of a plate girder corresponds to

A maximum thickness of web B maximum weight C minimum depth D minimum weight

✅ Correct Answer: 4

30 For welded and double laced joints, effective length of lacing is _____ times the actual length.

A 0.2 B 0.5 C 0.6 D 0.7

✅ Correct Answer: 4

31 Bending compressive and tensile stresses respectively are calculated based on

A gross area in both cases B net area in both cases C net area and gross area D gross area and net area

✅ Correct Answer: 4

32 A butt weld is specified by

A plate thickness B penetration thickness C size of weld D effective throat thickness

✅ Correct Answer: 4

33 The forces acting on the web splice of a plate girder are

A axial and bending forces B shear and bending forces C axial forces D shear and axial forces

✅ Correct Answer: 2

34 Steel tanks are mainly designed for

A water pressure B earthquake forces C wind pressure D weight of tank

✅ Correct Answer: 1

35 Lacing and battening of columns is to increase _____ of column.

A section modulus B least radius of gyration C sectional area D none of the above

✅ Correct Answer: 2

36 Which one of the following is not the advantage of HSFG bolt?

A no slip takes place in the joint B bolts are not subjected to shearing and bearing stresses C the load transfer is by shearing stresses D less stress concentration

✅ Correct Answer: 3

37 The advantage of steel structure is

A speed of construction is high B quality is assured C needs less space D all the above

✅ Correct Answer: 4

38 To connect members subjected to dynamic loads which one of the following type of bolts is preferable?

A HSFG bolts B Turned bolts C Black bolts D Both b and c types

✅ Correct Answer: 1

39 Minimum edge distance, in case of hand flame cut edges, shall not be less than _____ times bolt hole diameter.

A 1.5 B 1.7 C 1.9 D 1.10

✅ Correct Answer: 2

40 If a plate with small hole is kept over another plate and the entire hole is filled with weld material, the welded joint is known as

A butt weld B plug weld C fillet weld D slot weld

✅ Correct Answer: 2

41 The most economical section for a compression member is

A hollow circular B circular C I-shaped D rectangular

✅ Correct Answer: 1

42 Which one of the following is not a flexible connection of beams?

A stiffened seated connection B unstiffened seated connection C framed connection D web angle connection

✅ Correct Answer: 4

43 The best arrangement to provide unified behavior in built up steel columns is by

A perforated cover plates B battening C perforated cover plates D lacing

✅ Correct Answer: 4

44 The capacity of the smallest pressed steel tank is

A 1000 litre B 1650 litre C 1950 litre D 2450 litre

✅ Correct Answer: 3

45 The moment curvature relation at a plastic hinge is

A constant curvature for all moments B constant moment for all curvatures C parabolic D linear

✅ Correct Answer: 2

46 A steel beam supporting loads from the floor slab as well as from wall is termed as

A stringer beam B header beam C lintel beam D spandrel beam

✅ Correct Answer: 4

47 Racking force on a steel railway bridge is due to

A lateral movement of the train when moving on a straight track B resistance offered by the bearing to the movement at the roller end C braking effect D tractive effect of the driving wheel

✅ Correct Answer: 1

48 At a fully plastic section, infinite rotation can occur at

A constant plastic moment B zero moment C constant elastic moment D all of the above

✅ Correct Answer: 1

49 The effective length of a fillet weld should not be less than

A penetration thickness B size of weld C two times the weld thickness D plate thickness

✅ Correct Answer: 4

50 A channel section has

A one web two flanges B one web one flange C two webs one flange D two webs and two flanges

✅ Correct Answer: 1

51 Which one of the following is not limit state of serviceability?

A loss of stability B fire C corrosion D vibration

✅ Correct Answer: 1

52 The effective diameter of a river is taken as

A rivet hole diameter â€“ 1.5 mm B rivet hole diameter + 1.5 mm C rivet hole diameter D nominal diameter of rivet

✅ Correct Answer: 3

53 rivet hole diameter

A length shown in drawing + size of weld B length shown in drawing + 2 x size of weld C length shown in drawing + 4 x size of weld D length shown in drawing

✅ Correct Answer: 2

54 In the design of a connection of tension member to a gusset plate, the principle to be followed is

A In the design of a connection of tension member to a gusset plate, the principle to be followed is B as large portion of it as is possible is connected C section should be compact D all the above

✅ Correct Answer: 4

55 Which of the following sections should preferably be used at places where torsion occurs?

A box type section B channel section C angle section D any of the above

✅ Correct Answer: 1

56 The bracing provided in the plane of end posts is called

A bottom lateral bracing B top lateral bracing C sway bracing D portal bracing

✅ Correct Answer: 4

57 The effect of axial force and shear force on the plastic moment capacity of a section are

A to decrease the plastic moment capacity in both cases B to increase the plastic moment capacity in both cases C to increase and to decrease the plastic moment respectively D to decrease and to increase the plastic moment respectively

✅ Correct Answer: 1

58 Load factor is

A sometimes greater than factor of safety B always greater than factor of safety C always less than factor of safety D always equal to factor of safety

✅ Correct Answer: 2

59 Which of the following conditions is to be satisfied both in elastic and plastic analysis?

A yield condition B equilibrium condition C mechanism condition D plastic moment condition

✅ Correct Answer: 2

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Civil Engineering Steel Structures MCQ