Calculate_circumferential_prestress_of_a_cylindrical_prestressed_concr – McqOptions

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1.	Calculate_circumferential_prestress_of_a_cylindrical_prestressed_concrete_water_tank_given_that_the_thickness_is_12mm,_loss_ratio_is_0.75,_the_maximum_stress_under_working_pressure_is_1n/mm²(N_d_value_is_720)?$
A.	9.4n/mm<sup>2</sup>
B.	5.6n/mm<sup>2</sup>
C.	11.2n/mm<sup>2</sup>
D.	15.2n/mm<sup>2</sup>
Answer» B. 5.6n/mm<sup>2</sup>

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