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__________________?
(A) 1/8th of the span
(B) 1/10th of the span
(C) 1/12th of the span
(D) 1/16th of the span
In a singly reinforced beam, the effective depth is measured from its compression edge to_________________?
(A) Tensile edge
(B) Tensile reinforcement
(C) Neutral axis of the beam
(D) Longitudinal central axis
For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is_______________?
(A) wl²/4
(B) wl²/8
(C) wl²/12
(D) wl²/16
If T and R are tread and rise respectively of a stair, then_______________?
(A) 2R + T = 60
(B) R + 2 T = 60
(C) 2R + T = 30
(D) R + 2 T = 30
A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed_______________?
(A) 4120 kg
(B) 41,200 kg
(C) 412,000 kg
(D) None of these
The minimum number of main steel bars provided in R.C.C________________?
(A) Rectangular columns is 4
(B) Circular columns is 6
(C) Octagonal columns is 8
(D) All the above
If the size of a column is reduced above the floor, the main bars of the columns, are_____________?
(A) Continued up
(B) Bent inward at the floor level
(C) Stopped just below the floor level and separate lap bars provided
(D) All the above
carrying a uniformly distributed load per metre length is suspended at the A pile of length centre and from other two points 0.15 L from either end ; the maximum hogging moment will be_______________?
(A) WL²/15
(B) WL²/30
(C) WL²/60
(D) WL²/90
The maximum ratio of span to depth of a cantilever slab, is_______________?
(A) 8
(B) 10
(C) 12
(D) 16
[A + (m – 1)ASC] known as equivalent concrete area of R.C.C. is given by______________?
(A) Modular ratio method
(B) Load factor method
(C) Ultimate load method
(D) None of these