A. Was widely used in earlier days
B. Is not economical and hence not generally used
C. Is economical for large spans and is adopted now a days
D. None of these
Related Mcqs:
- Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam_______________?
A. Are curtailed if not required to resist the bending moment
B. Are bent up at suitable places to serve as shear reinforcement
C. Are bent down at suitable places to serve as shear reinforcement
D. Are maintained at bottom to provide at least local bond stress - In a pre-stressed member it is advisable to use________________?
A. Low strength concrete only
B. High strength concrete only
C. Low strength concrete but high tensile steel
D. High strength concrete and high tensile steel - 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 - Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of_____________________?
A. h /4
B. h/3
C. h/2
D. 2h/3 - 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 ratio of the breadth to effective depth of a beam is kept_______________?
A. 0.25
B. 0.50
C. 0.70
D. 0.75 - The breadth of a ribbed slab containing two bars must be between______________?
A. 6 cm to 7.5 cm
B. 8 cm to 10 cm
C. 10 cm to 12 cm
D. 12 cm to 15 cm - The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________?
A. Freyssinet system
B. Magnel-Blaton system
C. C.C.L. standard system
D. Lee-McCall system - In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called________________?
A. Under-reinforced section
B. Over reinforced section
C. Economic section
D. Critical section - The live load to be considered for an inaccessible roof, is______________?
A. Nil
B. 75 kg/m2
C. 150 kg/cm 2
D. 200 kg/m2
