दीवार के बाहरी हिस्से में उसके ऊपर के फर्श के स्तर तक के बीम को किस रूप में जाना जाता है?

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?