If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 290 N/mm2 and 10 N/mm2 respectively, the critical combination of stresses during summer midday is

If the load, warping and frictional stresses in a cement concrete slab

1.	If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 290 N/mm2 and 10 N/mm2 respectively, the critical combination of stresses during summer midday is
A.	290 N/mm2
B.	390 N/mm2
C.	490 N/mm2
D.	590 N/mm2
Answer» D. 590 N/mm2

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If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 290 N/mm2 and 10 N/mm2 respectively, the critical combination of stresses during summer midday is

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