Q.1
The thickness of base slab of a retaining wall generally provided, is
Q.2
The amount of reinforcement for main bars in a slab, is based upon
Q.3
The transverse reinforcements provided at right angles to the main reinforcement
Q.4
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is
Q.5
The maximum area of tension reinforcement in beams shall not exceed
Q.6
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
Q.7
Lapped splices in tensile reinforcement are generally not used for bars of size larger than
Q.8
If the size of a column is reduced above the floor, the main bars of the columns, are
Q.9
For initial estimate for a beam design, the width is assumed
Q.10
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than
Q.11
After pre-stressing process is completed, a loss of stress is due to
Q.12
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
Q.13
[A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
Q.14
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,
Q.15
In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
Q.16
On piles, the drop must be at least
Q.17
If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be
Q.18
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam
Q.19
According to the steel beam theory of doubly reinforced beams
Q.20
If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
Q.21
The diameter of main bars in R.C.C. columns, shall not be less than
Q.22
The maximum diameter of a bar used in a ribbed slab, is
Q.23
If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least
Q.24
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is
Q.25
The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon
Q.26
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
Q.27
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
Q.28
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than
Q.29
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
Q.30
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm², the beam
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