If the permissible compressive stress for a concrete in bending is C kg/m2, the modular ratio is_____________?
B. 2300/2C
C. 2800/3C(Correct)
D. 2800/C2
B. 2300/2C
C. 2800/3C(Correct)
D. 2800/C2
RCC Structures Design
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If the permissible compressive stress for a concrete in bending is C kg/m2, the modular ratio is_____________? A. 2800/C
B. 2300/2C
C. 2800/3C(Correct)
D. 2800/C2 -
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres 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_______________?
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres 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_______________? A. 8.3 kg/cm2 (Correct)
B. 7.6 kg/cm2
C. 21.5 kg/cm 2
D. 11.4 kg/cm2 -
intensity of pressure at a depth h on a block of earth weighing w per unit If p1 is the vertical______________?
intensity of pressure at a depth h on a block of earth weighing w per unit If p1 is the vertical______________? A. wh (1 – cos )/(1 + ) p2 is
B. wh (1 – sin )/(1 + ) )(Correct)
C. wh (1 – tan )/(1 +
D. w (1 – cos )/h (1 + sin ) -
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength______________?
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength______________?A. 100 kg/cm2
B. 200 kg/cm2
C. 300 kg/cm2
D. 400 kg/cm2 -
The effective span of a simply supported slab, is_______________?
The effective span of a simply supported slab, is_______________?A. Distance between the centres 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 -
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is______________?
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is______________?A. 2.5
B. 2.0
C. Less than 2
D. Less than 2.5 -
A raft foundation is provided if its area exceeds the plan area of the building by______________?
A raft foundation is provided if its area exceeds the plan area of the building by______________? A. 10 %
B. 20 %
C. 40 %
D. 50 %(Correct) -
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________?
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________? A. With the horizontal(Correct)
B. With the vertical
C. With the perpendicular to the inclined plane of the soil
D. None of these -
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________?
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________? A. Freyssinet system
B. Magnel-Blaton system
C. C.C.L. standard system
D. Lee-McCall system(Correct) -
In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good______________?
In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good______________? A. mc/t = n/(d – n)(Correct)
B. (m + c)/t = n/(d + n)
C. (t + c)/n = (d + n)/n
D. mc/t = (d – n)/t