If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm² and 1400 kg/cm² respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is 0.696 % 0.596 % 0.496 % 0.796 % TRUE ANSWER : ? YOUR ANSWER : ?
If ‘A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force ‘P’ through its centroidal longitudinal axis, the compressive stress in concrete, is P/2A P/A 2A/P A/P TRUE ANSWER : ? YOUR ANSWER : ?
For stairs spanning l meters 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 TRUE ANSWER : ? YOUR ANSWER : ?
The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as C.L. standard system Magnel-Blaton system Freyssinet system Lee-McCall system TRUE ANSWER : ? YOUR ANSWER : ?
The Young's modulus of elasticity of steel, is 250 KN/mm² 150 KN/mm² 275 KN/mm² 200 KN/mm² TRUE ANSWER : ? YOUR ANSWER : ?
The width of the rib of a T-beam, is generally kept between 1/3 to 2/3 of rib depth 1/7 to 1/3 of rib depth 1/3 to 1/2 of rib depth 1/2 to 3/4 of rib depth TRUE ANSWER : ? YOUR ANSWER : ?
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes With the vertical With the perpendicular to the inclined plane of the soil With the horizontal None of these TRUE ANSWER : ? YOUR ANSWER : ?
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam Are bent down at suitable places to serve as shear reinforcement Are bent up at suitable places to serve as shear reinforcement Are maintained at bottom to provide at least local bond stress Are curtailed if not required to resist the bending moment TRUE ANSWER : ? YOUR ANSWER : ?
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than WL/10 (L - 2D/3)² WL/12 (L - D/3)² WL/10 (L + 2D/3)² WL/12 (L - 2D/3)² TRUE ANSWER : ? YOUR ANSWER : ?
The advantage of reinforced concrete, is due to Fire-resisting and durability Economy because of less maintenance cost All listed here Monolithic character TRUE ANSWER : ? YOUR ANSWER : ?