Q.1
The neutral axis of a T-beam exists
Q.2
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
Q.3
In a beam the local bond stress Sb, is equal to
Q.4
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than
Q.5
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than
Q.6
The angle of internal friction of soil mass is the angle whose
Q.7
Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as
Q.8
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called
Q.9
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
Q.10
‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is
Q.11
For M 150 grade concrete (1 : 2 : 4) the moment of resistance factor is
Q.12
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than
Q.13
If P kg/m² 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
Q.14
The weight of a foundation is assumed as
Q.15
For M 150 mix concrete, according to I.S. specifications, local bond stress, is
Q.16
The diameter of the column head support a flat slab, is generally kept
Q.17
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of
Q.18
Spacing of stirrups in a rectangular beam, is
Q.19
A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm², the area of steel required, is
Q.20
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
Q.21
In a singly reinforced beam
Q.22
In a combined footing if shear stress exceeds 5 kg/cm², the nominal stirrups provided are:
Q.23
Piles are usually driven by
Q.24
For stairs spanning horizontally, the minimum waist provided is
Q.25
On an absolutely rigid foundation base, the pressure will
Q.26
In a cantilever retaining wall without a heel slab
Q.27
Post tensioning system
Q.28
An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at
Q.29
If the depth of actual neutral axis of a doubly reinforced beam
Q.30
In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as
0 h : 0 m : 1 s