 A. Underreinforced section
 B. Over reinforced section
 C. Economic section
 D. Critical section
RCC Structures Design

In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called_____.

To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is_____.
 A. 0.107 L
 B. 0.207 L
 C. 0.307 L
 D. 0.407 L

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_____.
 A. w (R + T)/T
 B. w √(R² + T²)/T
 C. w √(R + T)/T
 D. w (R/T)

If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and σc are the modular ratio and maximum stress in the configuration of concrete, the strength of column is_____.
 A. σ_{c}A_{c} + m σ_{c}A_{sc}
 B. σ_{c}(A – A_{sc}) + m σ_{c}A_{sc}
 C. σ_{c}[A + (m – 1)A_{sc}]
 D. All the above

Though the effective depth of a Tbeam 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

Pick up the correct statement from the following:
 A. A pile is a slender member which transfers the load through its lower end on a strong strata
 B. A pile is a slender member which transfers its load to the surrounding soil
 C. A pile is a slender member which transfers its load by friction
 D. A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width

The modular ratio ‘m’ of a concrete whose permissible compressive stress is ‘C’, may be obtained from the equation.
 A. m = 700/3C
 B. m = 1400/3C
 C. m = 2800/3C
 D. m = 3500/3C

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_____.
 A. 0.496 %
 B. 0.596 %
 C. 0.696 %
 D. 0.796 %

The angle of internal friction of soil mass is the angle whose_____.
 A. Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
 B. Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
 C. Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
 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