Question

The density of steel may be taken as _______________

(a) 68.5 quintal per cu m

(b) 9.85 grams per cu m

(c) 390 lbs per cu ft

(d) 78.5 quintal per cu m

The question was asked in a national level competition.

This intriguing question originated from R.C.C. Work and Amount topic in portion Different Type Roofs, R.C.C of Civil Engineering Drawing

Answer 1

Right choice is (d) 78.5 quintal per cu m

To explain: The density of steel may be taken as 78.5 quintal per cu m or 7.85 grams per cu m, 390 lbs per cu ft. The percentage of steel reinforcement depends on the design of the structure.