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__________________?

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An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus_______________?

A. Triangular load of the wall B. UDL of wall C. UDL of wall + load from the roof D. Triangular load + load from the roof...

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 ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by

A. (5/6) (r/1 + r²) M B. (5/6) (r²/1 + r²) M C. (5/6) (r²/1 + r3) M D. (5/6) (r²/1 + r4) M...

The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called_________________?

A. Balanced section B. Economic section C. Critical section D. All the above...

An R.C.C. column is treated as long if its slenderness ratio is greater than____________?

A. 30 B. 35 C. 40 D. 50...