Q
In prestressed concrete______________?
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A
A. Forces of tension and compression change but lever arm remains unchanged
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B
B. Forces of tension and compressions remain unchanged but lever arm changes with the moment
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C
C. Both forces of tension and compres-sion as well as lever arm change
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D
D. Both forces of tension and compres-sion as well as lever arm remain unchanged
Correct Answer:
B. B. Forces of tension and compressions remain unchanged but lever arm changes with the moment
