Correct option is B
The hourly volume that is exceeded only 29 times a year is known as 30th highest hourly volume. 30th highest hourly volume also serves for design purposes.
The hourly volume that is exceeded only 29 times a year is known as 30th highest hourly volume. 30th highest hourly volume also serves for design purposes.
The minimum density (g/cc) of corrugated and semi-corrugated asbestos cement sheets considered acceptable for construction purposes by the Indian standard is: