Correct answer
C. rough dressing of stones
Explanation
The correct answer is rough dressing of stones.
The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known________?
The load factors for live load and dead load are taken respectively as________?
The type of bond provided in brick masonry for carrying heavy loads is________?
In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as________?
In GPS, receivers used are________?
For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of________?