The truss spacing 12m prestressed bow string of linear element with wi – McqOptions

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1.	The truss spacing 12m prestressed bow string of linear element with wire reinforcement (18m) grade of concrete (n/mm²).
A.	30- 40n/mm<sup>2</sup>
B.	10- 50n/mm<sup>2</sup>
C.	20- 70n/mm<sup>2</sup>
D.	40- 90n/mm<sup>2</sup>
Answer» B. 10- 50n/mm<sup>2</sup>

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