Q.

A simple prestressed flat slab is generally supported by a network of                      

A. beams
B. columns
C. spans
D. deflections
Answer» B. columns
Explanation: a simple prestressed flat slab is generally supported by a network of columns without beams and prestressed in two perpendicular directions and the design of typical simple flat slab involves the analysis of moments in the two principal directions so that cables may be arranged to resist these moments and the slab is analyzed as one way slab and the total number of cables required to resist the moments in each of two principal directions are determined.
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