यदि किसी कैंटिलीवर धरन (cantilever beam) का तापमान बिना किसी बाहरी अवरोध के समान रूप से बढ़ाया जाता है, तो उसमें _______ प्रतिबल उत्पन्न होंगे।

A beam in pure bending is subjected to equal and opposite couples and no shear force. Which type of shear stress is zero?

The ratio of the maximum and minimum normal stresses is equal to _________ in the case of pure shear.

The ratio of plastic moment 'MP' of a member to the yield strength 'σy' of its material is called ____.