1. If a material has identical elastic properties in all directions, it is said to be:

homogenous

Isotropic

Elastic

Orthotropic

2. If a composite bar of steel and copper is heated, the copper bar will be under:

Tension

Compression

Shear

Torsion

3. Maximum bending moment in a beam occurs where:

. Deflection is zero

Shear force is maximum

ShearJorce is minimum

Shear force changes sign

4. Every material obeys the Hooke's ;Iaw within its:

Elastic limit

Plastic limit

Limit of proportionality

None of these

5. In a rectangular element subjected to like principal tensile stresses P1 and P2 in two mutually perpendicular directions x and Maximum shear stress would occur along the:

Plane normal to y-axis

Plane normal to x-axis

Planes at 45° and 135° to the y-direction

Plane at 45° to the y-direction

6. Principle of superposition is applicable when: .

Deflections are linear functions of applied forces .

The action of applied forces will be affected by small deformations of the structure

Material obeys Hooke's law

None of these

7. Principal plane is defined as a plane on which the shear stress is

Maximum

Half of the normal

Zero

None of these

8. Poisson's ratio is an involving:

Elastic Moduli

Stresses

Strains

None of these

9. The shear force and bending moment is zero at the free end of a cantilever beam, if it carries:

Point load at the free end

Point load at the middle of its length

Uniformly distributed load over the whole length

None of these

10. The shear stress on a beam section is maximum

On the extreme bottom surface fibres

On the extreme top surface fibres

At the free edges

At the neutral axis 9f the section

11. The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

Zero

Linear

Parabolic

Cubic

12. The maxilT)um bending moment caused by a concentrated load at the mid span of a simply supported .beam is:



M

M

M


13. A simply supported beam with rectangular cross-section is subjected to a central concentrated load. If the width and depth of beam is doubled, the deflection at centre of the beam will be reduced to:

50%

25%

12.5%

6.25%

14. The maximum tensile stress in a cantilever beam with concentrated load acting downwards on the span is caused at

Top fibre at mid span'

Bottom fibre at mid span

Bottom fibre at support

Top fibre at support

15. A fixed beam of uniform section is carrying a point load at its mid span. If the moment of inertia of the middle half length is reduced to half its previous value, then the fixed end moments will

Decrease.

Increase

Change their direction

Remain constant

16. At a point the state of stress is Px 6 MPa, Py MPa and q 3 MPa, the magnitude of xy.' principal stresses for this state of stress will be

9MPaand-1MPa

7MPaand-3MPa

7 MPa and -1MPa

8MPaand-3MPa

17. The most appropriate failure theory for ductile materials is

Maximum principal stress theory

Maximum shear stress theory

Maximum shear strain energy theory

Maximum principal strain theory

18. A cantilever beam having length is subjected to a moment at its free end. If flexural rigidity of beam is .. EI, the deflection at free end will be


MUEI

MU2EI

ML2/EI

ML2/2EI

19. The relationship between Young's Modulus of Elasticity Bulk Modulus K and Poisson's ratio is given by

E mew)

E 3K(1 +mew

mew)

E=2K(1 mew)

20. A beam simply supported at both the ends of length carries two unequal unlike couples M at the both ends. If the Flexural Rigidity EI is constant, the central deflection of beam will be

ML2/4EI

ML2/16EI

ML2/64EI

ML2/8EI

21. Free body diagram is an

Isolated joint with only body forces acting on it

Isolated joint with all the forces internal as well as external, acting on it

Isolated joint with internal acting on it

None of these

22. Independent displacement components at each joint of a rigid jointed plane frame are:

Three linear movements

One linear movement and two rotations

Two linear movements and one rotation

Three rotations

23. Which of the following methods of structural analysis is a force method?

Column analogy method

Slope deflection method

Moment distribution method

None of these
24. For approximate analysis of building frames under vertical loads, the point of inflection is assumed at
Centre of each beam

One-tenth of the span length from each end of the beam

Centre of each column

Both and

25. A fixed beam of uniform section is carrying a point load at its mid span. If the moment of inertia of the middle half length is reduced to half of its previous value, then the fixed end moments will

Decrease

Increase

Change their direction

Remain constant

26. The deformation of a spring produced by a unit load method is called:

Flexibility

Stiffness

Unit strain

None of these·

27. In the displacement method ·of structural analysis, the basic unknowns are:

Forces.

Displacements

Displacements are forces

None of these

28. If the displacement at coordinate i due to unit force at coordinate j is delta ij and and displacement at coordinate j due to unit force at coordinate i is delta ji then according to Maxwell's Reciprocal Theorem:

<img src='./qimages/3399-28.jpg'>

29. To generate the jth column of flexibility matrix:

A unit force is applied at coordinate j and the displace­ment are calculated at all coordinates
A unit. force is applied at coordinate j are the forces are calculated at all coordinates

A unit displacement is applied at coordinate j and the forces are calculated al all coordinates

A unit displacement is applied at coordinate j and the displacement are calcJlated at all coordinates!

30. For a statically indeterminate pin jointed plane frame, the relation between number of members and number of joints is expressed as:

m=3j-6

m=2j-3

2j-3

3j-6

31. Ratio of strain energy stored by solid shaft of diameter and strain energy stored by hollow shaft (external diameter and internal diameter is given by

d2)

D2/(D2

D4/(D4

d4)

32. Muller Breslau principle in structural analysis is used:

To obtain virtual work equation

To draw influence line diagram for any force function

For superposition of load effects

None of these

33. Influence line for forcing function gives its variation at

Mid span

A given section

A support

Everywhere in the beam

34. The moment required to rotate the near enD of prismatic beam of length and flexural rigidity EI through unit angle, without translation (the far end being fixed), is given by:
2EI/L

EI/L

3EI/L

4EI/L

35. Castigliano's first theorem is applicable:

For statically determinate structure only

When the sYl1tem behaves elastically

Only when principle of superposition is valid

None of these· .

36. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

Vertical direction

Horizontal direction

Inclined direction

The direction in which the deflection is required Contd.

43. The purpose of lateral ties in short RC columns is to
Avoid buckling of longitudinal bars

Facilitate construction

Facilitate concrete compaction of

Increase the load carrying capacity of the columns



44. For vertical stirrups, the maximum spacing of shear reinforcement measured along the axis of the members shall not exceed:

0.70 d

0.75 d

.0.80d

0.90 d
45. In the limit state design of concrete section of limiting value of the depth of the neutral axis Xu(max/d for steel grade Fe 415 is

0.53

0.48

0.46

0.42

46. Most common method of pre­ . stressing used for factory production is:

Freyssinet system

Long line method

Lee-Macall system

Magnel-Blaton system

47. Which oftheJoliowing losses occurs only in post-tensioning?

Shrinkage of concrete

Elastic shortening of concrete

Loss due to friction

Creep of concrete

48. Minimum reinforcement in a circular column as per IS 456 is

4 bars of 12 mm

Greater of 0.8% of cross sectional area and 4 bars of 12mm

6bars of12mm

Greater of 0.8% of cross sectional area and 6 bars of 12mm

49. The vertical retaining wall of the RCC Counter fort is designed as a

Cantilever

Simply supported slab

Continuous slab

None of these

50. When width effective depth overall depth the maximum area of reinforcement in RCC beam shall not exceed:

0.04 bd

0.04 bD

0.05 bd

0.05 bD

37. The strain energy stored in a simply supported beam of span and flexural rigidity EI due to central concentrated load is given by

W2L2/48EI

W2L3/48EI

W2L2/96EI

W2L3/96EI

38. A beam AB is fixed at both ends and carries a uniformly distributed load of intensity per unit length run over its entire length. Due to some construction defects, the end B is now reduced to a simple support. The .percentage increase in bending moment atA is:

25

50

75

100

39. A fixed beam AB is sUbjected to a triangular load varying from zero at end A to W per unit length at end B. The ratio of fixed end moment at B toAwili be: 1

1/2

1/3

2/3

3/2

40. In moment distribution method, the sum of distribution factors of all members meeting at any joint is always:

Less than one

Zero

One

Greater than one

41. In a slab, the minimum reinforcement for Fe 250 provided, is

0.10% of its gross sectional area

0.12% of its gross sectional area

0.15% of its gross sectional area

None of these

42. Whenever the earthquake or wind loading is considered in design of a member, the permissible stresses may be increased by

25%

30%

33.33%

35%

51. In T-shaped RC retaining walls, the main reinforcement in the stem is provided on

The front face in one direction

The front face in both direction

The inner face in one direction

The inner face in both direction
52. If nominal shear stress TV exceeds the design shear strength of concrete TC the nominal shear reinforcement as per IS 456-2000 shall be provided for a shear stress equal to

<img src='./qimages/3399-52.jpg'>

53. As per IS 456, the minimum grade of concrete for the design of reinforced concrete structure in moderate exposure condition is

M20

M25

M15

M30

54. In reinforced concrete footing on soils, the minimum thickness at the edge should not be less than:

150mm

250mm

100mm

200mm

55. Span to effective depth ratio for a two way continuous slab (upto span 3.5 with steel of grade Fe 415 should not be more than:

7

40

26

32

56. The gross diameter of a rivet is the diam.eter of:

Cold rivet measured. before driving

Rivet measured after driving

Rivet hole

None of these

57. The maximum permissible slenderness ratio of tension members liable to reversal of stress due to action of wind and earthquake is:

300

350

400



58. The maximum deflection for a steel beam as per IS code should not exceed:

1/150 of span

1/250 of span

1/325 of span

1/350 ofSpcln

59. The average shear stress in a member calculated on the cross section of unstiffened web shall not exceed:

0.45 f y

0.40 f y

0.65 f y

0.66 f y

60. Generally the purlins we placed at the panel points so as to avoid:

Axial force in rafter

Shear force in rafter

deflection of rafter

Bending moment in rafter

61. The yield stress of mild steel of normally rolled structural steel is about (in N/mm2)

240 to 260

330 to 360

420

550

62. .The effective length of fillet weld should not be less than:

Two times weld size

Four times weld size

Six times weld size

Weld size

63. The rolled section for a given depth having largest moment of inertia, Ixx is designated as

ISMB

ISHB

ISLB

ISWB
64. In a plate girder, bending is primarily resisted by

Web plate

Flange plate only.

Flange angle only

Flange plate and flange angle

65. The effective length of a steel compression member which is effectively held in position at both ends but restrained in direction at oQe eQd

L

0.8 L

1.2 L

1.5 L

66. The addition of pozzolana to Portland cement may cause:

Decrease in early strength .

Increase in early strength

Decrease in curing time

Increase in permeability
67. The two main compounds imparting strength for Ordinary Portland Cement are


Tricalcium silicate and dicalcium silicate


Dicalcium silicate and aluminates


Tricalcium .aluminates and silicate


Tricalcium siliqate and tricalcium aluminates

68. For a satisfactory workable concrete with a constant water cement ratio, increase in aggregate cement ratio:

Decrease the strength of concrete

Does not change the strength of concrete

Increase the strength of concrete

None of these

69. The strength of concrete is directly proportional:

Water cement ratio

Cement water ratio

Sand cement ratio

Water aggregate ratio

70. The most commonly used admixture which prolongs the setting time is

Calcium chloride

Gypsum

Sodium silicate·

All of these

71. In ordinary residential buildings, D. P. C. may be provided

At ground level

Between ground level and water table level

At water table level

At plinth level The tolerance in the width of mould

72. of a class I brick is about:

±3mm

±6mm

±10mm

±12mm

73. The slump recommended for mass concrete is about:

50 mmto100mm

25 mmto 75mm

100 mm to 125 mm

None of these

74. The most important purpose of frog in a brick is to

Reduce the weight of brick

Emboss manufacture's name

Form keyed joint between brick and mortar

Improve insulation by providing 'hollows'

75. A type ,Of bond in a brick masonry consisting of alternate course of headers and stretchers, is called:

English bond

Flemish bond

Stretching bond

Heading bond

76. Preventative maintenance for a bUilding work means:

Taking action before break­down

Breakdown maintenance

Taking action after break-down

None of these

77. The slenderness ratio for masonry walls should not be more than:

10

·20

30

40

78. Expansion joint in masonry wall is prOVidedwhen length of wall is greater than:


20 m


10m


40m


30m

79. The height between two floors is 3.00 m and risers are of 150 mm. Assuming two flights betWeen the floors, the number of treads will be

18

19

20

21


80. The type of flooring suitable for the use in theatres and public libraries and other places Where noiseless floor covering is desired:

Wooden flooring


Linoleum flooring


Cork flooring


None of these

81. One of the main disadvantages of the bar chart for construction management is


The time schedule is not shown properly


Progress of the work cannot be monitored


The financial aspect is not shown


Does . not show the interdependencies of the activity

82. Which of the following does not represent an activity?

83. Critical Path Method network is:

Activity oriented

Event oriented

Both activity as well as event oriented

None of these

84. The security deposit deducted from contractor's bill is

Refunded as soon as the construction is over

Not refunded

Refunded in the middle of the contract

Refunded after maintenance period

85. Earliest finish of an activity is always:


Less than earliest event of the following node


Greater than earliest event of the following node


Less than or equal to earliest event of the following node


Greater than or equal to earliest event

86. A contract is an agreement between:

Two parties valid in law

Several agencies

Three agencies

Two parties without legal binding

87. Measurement of 50 mm thick concrete flooring will be done in

Cubic m

%sq m

Meter

Sq.m

88. The reduction in project time normally results in:

Increasing the direct cost and decreasing the indirect cost

Decreasing the direct cost and increasing the indirect cost

Increasing the direct cost and the indirect cost both

Decreasing the direct cost and the indirect cost both

89. A document containing detailed description of all the items of work together with their current rates is called:


Analysis of rate.s


Abstract of estimate


Schedule of rates


None of these

90. Work Breakdown Structure for a construction project will help in

Breaking the project into several elements

Identifying the activities

Identifying the functional elements of a project and their inter relationship

None of these