1.

ESTIMATE_THE_TRANSMISSION_LENGTH_AT_THE_ENDS_OF_A_PRETENSIONED_BEAM_PRESTRESSED_BY_7MM_DIAMETER_WIRES._ASSUME_THE_CUBE_STRENGTH_OF_CONCRETE_AT_TRANSFER_AS_42N/MM2_(ADOPT_EMPIRICAL_METHOD)??$

A. 550mm
B. 610mm
C. 420mm
D. 210mm
Answer» C. 420mm


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