In ordinary residential and public buildings, the Damp Proof Course (D.P.C.) is generally provided at which level?

Which of the following statements conform(s) to panel walls in building construction? 1. Panel walls are external load bearing walls. 2. They are self supporting walls subjected to lateral loads. 3. They are primarily used in framed structures.

Which of the following statements conforms to 'corbels' in masonry?