The height of the sink of wash basin above floor level is kept HomeEstimation and Costing MCQsThe height of the sink of wash basin above floor level is keptQ. The height of the sink of wash basin above floor level is keptA. 60 cmB. 70 cmC. 75 cm to 80 cmD. 80 cmAnswer: 75 cm to 80 cm
A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is