Structural Design Specifications Questions And Answers.


1.Removal of props under______________?
A. slabs spanning upto 4.5 m is 14 days
B. beams spanning upto 6 m is 14 days
C. slabs spanning upto 4.5 m is 7 days
D. All the above

2.The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________?
A. 5%
B. 10%
C. 15%
D. 25%

3.All reinforcement should be free from_________________?
A. paints
B. loose rust
C. loose mill scales
D. All the above

4.The permissible bending stresses Pbet for steel slab bases should not exceed_______________?
A. 1500 kg/cm2
B. 1650 kg/cm2
C. 1800 kg/cm2
D. 1890 kg/cm2

5.The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________?
A. 4 d
B. 8d
C. 12 d
D. 16 d