In prestressed concrete________?

2736Civil EngineeringMedium

Aforces of tension and compression change but lever arm remains unchanged

Bboth forces of tension and compres-sion as well as lever arm remain unchanged

Cforces of tension and compressions remain unchanged but lever arm changes with the moment

Dboth forces of tension and compres-sion as well as lever arm change

Correct answer

C. forces of tension and compressions remain unchanged but lever arm changes with the moment

Explanation

The correct answer is forces of tension and compressions remain unchanged but lever arm changes with the moment.

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