A floor has to carry a load of 12 kN/m2. The floor is supported on rec – McqOptions

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1.	A floor has to carry a load of 12 kN/m2. The floor is supported on rectangular joists each 100 mm wide, 300 mm deep and 5 m long. If maximum stress in the joists should not exceed 8 MN/m2, the centre to centre distance of joists will be
A.	430 mm
B.	400 mm
C.	360 mm
D.	320 mm
Answer» E.

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