The rectangular block shown in the given figure is subjected to pure shear to intensity ' q '. If BE represents the i principal plane and the principal stresses are ? 1 , ? 2 ; then the values of ?, ? 1 and ? 2 will be respectively.

The rectangular block shown in the given figure is subjected to pure s

1.	The rectangular block shown in the given figure is subjected to pure shear to intensity ' q '. If BE represents the i principal plane and the principal stresses are ? 1 , ? 2 ; then the values of ?, ? 1 and ? 2 will be respectively.
A.	?Â°, 90Â°; + q and - q
B.	30Â°, 120Â°; + q and - q
C.	45Â°, 135Â°; + and
D.	45Â°, 135Â°; + q and - q
Answer» E.

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The rectangular block shown in the given figure is subjected to pure shear to intensity ' q '. If BE represents the i principal plane and the principal stresses are ? 1 , ? 2 ; then the values of ?, ? 1 and ? 2 will be respectively.

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