On an absolutely rigid foundation base, the pressure will
A. Be more at the edges of the foundation
B. Be uniform
C. Not be uniform
D. Be zero at the centre of the foundation
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In a cantilever retaining wall without a heel slab
A. Thickness of the stem is kept same throughout
B. Base slab is made 10 cm thicker than the stem
C. Width of the base slab is kept 0.7 time the total height of the wall
D. All the above
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For a number of columns constructed in a rcjw, the type of foundation provided, is
A. Footing
B. Raft
C. Strap
D. Strip
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With usual notations the depth of the neutral axis of a balanced section, is given by
A. t mc = n d − n
B. mc t = d − n n
C. mc t = n d + n
D. t mc = d − n n
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If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a
A. Simply supported beam
B. Continuous beam
C. Cantilever beam
D. None of these
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A very comfortable type of stairs is
A. Straight
B. Dog legged
C. Geometrical
D. Open newel
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If diameter of a reinforcement bar is d, the anchorage value of the hook is
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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
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A foundation rests on
A. Base of the foundation
B. Sub-grade
C. Foundation soil
D. Both B and C
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The effective span of a simply supported slab, is
A. Distance between the centers of the bearings
B. Clear distance between the inner faces of the walls plus twice the thickness of the wall
C. Clear span plus effective depth of the slab
D. None of these
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In a combined footing if shear stress exceeds 5 kg/cm2 , the nominal stirrups provided are:
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged
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Piles are usually driven by
A. Diesel operated hammer
B. Drop hammer
C. Single acting steam hammer
D. All the above
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For stairs spanning horizontally, the minimum waist provided is
A. 4 cm
B. 6 cm
C. 8 cm
D. 12 cm
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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
A. A key
B. A cut-off wall
C. A rib
D. All the above
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The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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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
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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
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If the depth of actual neutral axis of a doubly reinforced beam
A. Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier
B. Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier
C. Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously
D. All the above
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