In prestressed concrete – McqOptions

MCQOPTIONS

1.	In prestressed concrete
A.	forces of tension and compression change but lever arm remains unchanged
B.	forces of tension and compressions remain unchanged but lever arm changes with the moment
C.	both forces of tension and compres-sion as well as lever arm change
D.	both forces of tension and compres-sion as well as lever arm remain unchanged
Answer» C. both forces of tension and compres-sion as well as lever arm change

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