Correct answer
B. All of these
Explanation
The correct answer is All of these.
Select the incorrect statement?
The disinfection efficiency of chlorine increases by________?
If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads________?
The stone ware sewers________?
A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan”1 x, where x is (Assume g = 10 m/sec2)________?
According to I.S. 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than________?