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.Management Sciences
Category: RCC Structures Design
The neutral axis of a T-beam exists_________________?
A. Within the flange
B. At the bottom edge of the slab
C. Below the slab
D. All the above
The thickness of base slab of a retaining wall generally provided, is_____________?
A. One half of the width of the stem at the bottom
B. One -third of the width of the stem at the bottom
C. One fourth of the width of the steam at the bottom
D. Width of the stem at the bottom
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis______________?
A. Remains within the flange
B. Remains below the slab
C. Coincides the geometrical centre of the beam
D. None of these
If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?
A. l = dt/Sb
B. l = dt/2Sb
C. l = dt/3Sb
D. l = dt/4Sb
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
longitudinal bars and lateral stirrups, is__________________?
A. Stress in concrete × area of concrete
B. Stress in steel × area of steel
C. Stress in concrete × area of concrete + Stress in steel × area of steel
D. None of these
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by_____________?
A. Three times
B. Four times
C. Five times
D. Six times
foundation is assumed as The weight of a_____________?
A. 5% of wall weight
B. 7% of wall weight
C. 10% of wall weight
D. 12% of wall weight
Based on punching shear consideration, the overall depth of a combined footing under a column A, is_______________?
A. (Area of the column A × Safe punching stress)/Load on column A
B. (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)
C. (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)
D. None of these
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