Question 21
Question 21 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
6. Deformation of solids
6.2. Elastic and plastic behaviour

determine the elastic potential energy of a material deformed within its limit of proportionality from the area under the force–extension graph

6. Deformation of solids
6.1. Stress and strain

understand and use the terms load, extension, compression and limit of proportionality