What would be the frictional stress if the spacing between contraction – McqOptions

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1.	What would be the frictional stress if the spacing between contraction joints is 4.2 m, the coefficient of friction is 1.3 and the unit weight of concrete is 2400 kg/m³?
A.	0.66 kg/cm<sup>2</sup>
B.	0.70 kg/cm<sup>2</sup>
C.	0.76 kg/cm<sup>2</sup>
D.	0.60 kg/cm<sup>2</sup>
Answer» B. 0.70 kg/cm<sup>2</sup>

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