1.

The maximum area of tension reinforcement in beams shall not exceed

A. 0.15%
B. 1.5%
C. 4%
D. 1%

2.The diameter of longitudinal bars of a column should never be less than

A. 6 mm

B. 8 mm

C. 10 mm

D. 12 mm

E. none of these.

1.

3.Thickened part of a flat slab over its supporting column, is technically known as

A. drop panel

B. capital

C. column head

D. none of these.

2.

4.An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined
roughly to the horizontal at

A. 25°

B. 35°

C. 45°

D. 55°

E. 60°

5. The number of treads in a flight is equal to

A. risers in the flight

B. risers plus one

C. risers minus one

D. none of these.

6.Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at

A. supports

B. mid span
C. every section

D. quarter span.

7.A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

A. remains within the flange

B. remains below the slab

C. coincides the geometrical centre of the beam

D. none of these.

8.The live load to be considered for an inaccessible roof, is

A. Nil

B. 75 kg/m2

C. 150 kg/cm2

D. 200 kg/m2

9.The shear reinforcement in R.C.C. is provided to resist

A. vertical shear

B. horizontal shear

C. diagonal compression

D. diagonal tension.

10.The maximum ratio of span to depth of a cantilever slab, is

A. 8

B. 10

C. 12

D. 14

E. 16

11.In a singly reinforced beam, the effective depth is measured from its compression edge to

A. tensile edge

B. tensile reinforcement
C. neutral axis of the beam

D. longitudinal central axis.

12.Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the
elemental part of a beam section, is directly proportional to

A. shear force

B. area of the section

C. distance of the C.G. of the area from its neutral axis

D. moment of the beam section about its neutral axis

E. width of the beam.

13.If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties
should not be less than

A. 4 mm

B. 5 mm

C. 6 mm

D. 8 mm

E. 10 mm

14.The length of the straight portion of a bar beyond the end of the hook, should be at least

A. twice the diameter

B. thrice the diameter

C. four times the diameter

D. five times the diameter

E. seven times the diameter.

15.Distribution of shear intensity over a rectangular section of a beam, follows :

A. a circular curve

B. a straight line

C. a parabolic curve

D. an elliptical curve

E. none of these
16.Design of R.C.C. cantilever beams, is based on the resultant force at

A. fixed end

B. free end

C. mid span

D. mid span and fixed support.

17.If the length of a wall on either side of a lintel opening is at least half of its effective span L, the
load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral
triangle, producing a maximum bending moment
A
.

B
.

C
.

D
.

E.

18.The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of
the bend, is

A. 30°

B. 40°

C. 45°

D. 60°

E. all the above.

19.In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel,
the beam section is called

A. under-reinforced section

B. over reinforced section

C. economic section

D. critical section.
20.An R.C.C. roof slab is designed as a two way slab if

A. it supports live loads in both directions

B. the ratio of spans in two directions is less than 2

C. the slab is continuous over two supports

D. the slab is discontinuous at edges.

21.In a combined footing for two columns carrying unequal loads, the maximum hogging bending
moment occurs at

A. less loaded column

B. more loaded column

C. a point equidistant from either column

D. a point of the maximum shear force

E. a point of zero shear force.

22.A raft foundation is provided if its area exceeds the plan area of the building by

A. 10%

B. 20%

C. 30%

D. 40%

E. 50%

23.Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less
than

A. one diameter of thinner bar

B. one diameter of thicker bar

C. sum of the diameters of ihinner and thicker bars

D. twice the diameter of thinner bar

E. none of these.

24.If the size of a column is reduced above the floor, the main bars of the columns, are

A. continued up
B. bent inward at the floor level

C. stopped just below the floor level and separate lap bars provided

D. all the above.

25.The minimum clear cover for R.C.C. columns shall be

A. greater of 40 mm or diameter

B. smaller of 40 mm or diameter

C. greater of 25 mm or diameter

D. smaller of 25 mm or diameter

26.If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be
provided should be .

A. straight below centroidal axis

B. parabolic with convexity downward

C. parabolic with convexity upward

D. straight above centroidal axis

E. none of these.

27.A foundation is called shallow if its depth, is

A. one-fourth of its width

B. half of its width

C. three-fourth of its width

D. equal to its width

E. all the above.

28.An under-reinforced section means

A. Steel is provided at the under side only

B. Steel provided is insufficient

C. Steel provided on one face only

D. Steel will yield first.

B
.

C
.

D
.

E.

30.Lapped splices in tensile reinforcement are generally not used for bars of size larger than

A. 18 mm diameter

B. 24 mm diameter

C. 30 mm diameter

D. 36 mm diameter

E. 32 mm diameter

31.In a slab, the pitch of the main reinforcement should not exceed its effective depth

A. three times

B. four times

C. five times

D. two times.

32.Spacing of stirrups in a rectangular beam, is

A. kept constant throughout the length

B. decreased towards the centre of the beam

C. increased at the ends

D. increased at the centre of the beam.

A. square

B. rectangular

C. trapezoidal

D. triangular.

34.According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to
be divided in each direction into middle strips and edge strips such that the width of the middle
strip, is

A. half of the width of the slab

B. two-third of the width of the slab

C. three-fourth of the width of the slab

D. four-fifth of the width of the slab

E. three-fifth of the width of the slab

35.Minimum spacing between horizontal parallel reinforcement of the same size should not be less
than

A. one diameter

B. 2.5 diameters

C. 3 diameters

D. 3.5 diameters

E. 4 diameters

36.Columns may be made of plain concrete if their unsupported lengths do not exceed their least
lateral dimension

A. two times

B. three times

C. four times

D. five times

E. six times.
37.As the percentage of steel increases

A. depth of neutral axis decreases

B. depth of neutral axis increases

C. lever arm increases

D. lever arm decreases

E. none of these.

38.Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds

A. 50 cm

B. 75 cm

C. 100 cm

D. 120 cm

39.Enlarged head of a supporting column of a flat slabs is technically known as

A. supporting end of the column

B. top of the column

C. capital

D. drop panel

E. none of these.

40.The zone in which transverse bending is likely to occur may be obtained by drawing a line from
the faces of the column making an angle θ° with horizontal where θ° is

A. 30°

B. 45°

C. 60°

D. none of these.

41.As per IS : 1343, total shrinkage for a pretensioned beam, is

A. 3.0 x 10-2

B. 3.0 x 10-3

C. 3.0 x 10-4
D. 3.0 x 10-5

E. 3.5 x 10-5

42. If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the
critical neutral axis of the beam, is
A
.

B
.

C
.

D
.

E.

43.In a simply supported slab, alternate bars are curtailed at

A. 1/4th of the span

B. 1/5th of the span

C. 1/6th of the span

D. 1/7th of the span

E. none of these.

44.In a singly reinforced beam

A. compression is borne entirely by concrete

B. steel possesses initial stresses when embedded in concrete

C. plane sections transverse to the centre line of the beam before bending remain plane after
bending

D. elastic moduli for concrete and steel have different values within the limits of deformation
of the beam

E. none of these.
45.As per IS : 456, the reinforcement in a column should not be less than

A. 0.5% and not more than 5% of cross-sectional area

B. 0.6% and not more than 6% of cross-sectional area

C. 0.7% and not more than 7% of cross-sectional area

D. 0.8% and not more than 6% of cross-sectional area

E. none of these.