Screw dislocations of opposite sign having same Burgers vector ____ ea – McqOptions

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1.	Screw dislocations of opposite sign having same Burgers vector ____ each other and two parallel edge dislocations of same sign on same plane ____ each other.
A.	attract, attract
B.	attract, repel
C.	repel, attract
D.	repel, repel
Answer» C. repel, attract

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