A_cylindrical_concrete_tank,_40m_external_diameter_is_to_be_prestresse – McqOptions

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1.	A_cylindrical_concrete_tank,_40m_external_diameter_is_to_be_prestressed_circumferentially_by_means_of_a_high_strength_steel_wire_(E_s_=_210kn/mm²)_jacked_at_4_points_and_90_degrees_apart._Find_the_expected_extension_at_the_jack?$
A.	150mm
B.	130mm
C.	144mm
D.	133mm
Answer» D. 133mm

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