Q.

Positive edge dislocation is denoted by

A.
B.
C.
D.
Answer» C. ꓕ
Explanation: positive edge dislocation is represented as ‘ꓕ’ (inverted ꓔ) because the extra half plane lies above the shear plane. ‘ꓔ’ is used for negative edge dislocation. ‘↶’ and ‘↷’ are used to represent screw dislocations.
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