एक पंक्ति में पास-पास स्थित कॉलमों के लिए किस प्रकार की फुटिंग (नींव) को प्राथमिकता दी जाती 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?