RCC Structures Design Questions And Answers.


1.A very comfortable type of stairs is___?
A. Straight
B. Dog legged
C. Geometrical
D. Open newel

2.The width of the flange of a L-beam, should be less than______________?
A. One- sixth of the effective span
B. Breadth of the rib + four times thickness of the slab
C. Breadth of the rib + half clear distance between ribs
D. Least of the above

3.An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam___?
A. Is safe in shear
B. Is safe with stirrups
C. Is safe with stirrups and inclined bars
D. Needs revision of section

4.Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension__?
A. Two times
B. Three times
C. Four times
D. Five times

5.A pre-stressed concrete member is preferred because_____?
A. Its dimensions are not decided from the diagonal tensile stress
B. Large size of long beams carrying large shear force need not be adopted
C. Removal of cracks in the members due to shrinkage
D. All the above