Civil engineering MCQ and RCC structure MCQ for competitive exam.

## Q. 1 The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than

A. *wl*²/10

B. *wl*²/4

C. *wl*²/8

D. *wl*²/12

C. wl²/8

## Q. 2 If *P *kg/m^{2} is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is *a *cm, the depth of foundation *D *is given by

A. *D *= 0.07775 *aP*

B. *D *= 0.775 *Pa*

C. *D *= 0.00775 *aP*

D. *D *= 0.0775 *aP*

C. D = 0.00775 aP

## Q. 3 If the shear stress in a R.C.C. beam is

A. Greater than 4 kg/cm^{2}, but less than 20 kg/cm^{2}, shear reinforcement is provided

B. Greater than 20 kg/cm^{2}, the size of the section is changed

C. Equal or less than 5 kg/cm^{2}, no shear reinforcement is provided

D. All the above

B. Fat lime

## Q. 4 For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is

A. 0.8

B. 0.6

C. 0.7

D. 0.9

B. Fat lime

## Q. 5 In a singly reinforced beam

A. Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

B. Compression is borne entirely by concrete

C. Steel possesses initial stresses when embedded in concrete

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

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

## Q. 6 The ratio of the breadth to effective depth of a beam is kept

A. 0.75

B. 0.25

C. 0.50

D. 0.70

C. 0.50

## Q. 7 In a cantilever retaining wall without a heel slab

A. Base slab is made 10 cm thicker than the stem

B. Width of the base slab is kept 0.7 time the total height of the wall

C. Thickness of the stem is kept same throughout

D. All the above

D. All the above

## Q. 8 A *T*-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

A. Coincides the geometrical centre of the beam

B. Remains within the flange

C. Remains below the slab

D. None of these

B. Remains within the flange

## Q. 9 For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

A. 25

B. 20

C. 10

D. 15

B. 20

## Q. 10 A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is

A. 45

B. 30

C. 35

D. 40

D. 40