Building Construction
Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing?

Vibro pile
Both (A) and (C) of the above
Simplex pile
Pedestal pile

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Building Construction
In a colar beam roof

There are two horizontal ties, one at the feet and other at the middle of the rafters
There is no horizontal tie beam
There is a horizontal tie at almost the middle of rafters only
There is a horizontal tie at the feet of rafters only

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