Q. If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the prestressed beam is L, the upward uniform pressure will be

View solution

Q. Total pressure on the vertical face of a retaining wall of height h per unit run exerted by the retained earth weighing w per unit volume, is

View solution

Q. If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is

View solution

Q. 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

View solution

Q. f l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2 acting on strips parallel to l2 and l1 is

View solution

Q. If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is

View solution

Q. P is the prestressed force applied to tendon of a rectangular prestressed 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

View solution

Q. If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is

View solution

Q. The number of treads in a flight is equal to

View solution

Q. A short column 20 cm x 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

View solution

Q. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

View solution

Q. According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

View solution

Q. A foundation rests on

View solution

Q. For initial estimate for a beam design, the width is assumed

View solution

Q. If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width

View solution

Q. The advantage of a concrete pile over a timber pile, is

View solution

Q. If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is

View solution

Q. If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least

View solution

Q. For M 150 mix concrete, according to I.S. specifications, local bond stress, is

View solution

Q. If the average bending stress is 6 kg/cm² for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is

View solution