Building Construction
For providing a raft foundation, the following activities are involved1.Ramming the foundation bed2.Excavation of the soil upto required depth3.Laying the reinforcement over the foundation bed4.Curing the cement concrete placed over reinforcement5.Pouring the cement concrete over the reinforcementThe correct sequence is

5, 4, 3, 2, 1
2, 1, 3, 5, 4
3, 2, 5, 1, 4
1, 2, 3, 4, 5

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Building Construction
Mansard roof is a roof which slopes in

Four directions without break in the slope on each side
Four directions with break in the slope on each side
Two directions without break in the slope on each side
Two directions with break in the slope on each side

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