RCC Structures Design
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed

10 mm
20 mm
15 mm
25 mm

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RCC Structures Design
In a singly reinforced beam

Elastic moduli for concrete and steel have different values within the limits of deformation of the beam
Plane sections transverse to the centre line of the beam before bending remain plane after bending
Compression is borne entirely by concrete
Steel possesses initial stresses when embedded in concrete

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RCC Structures Design
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is

Four-fifth of the width of the slab
Half of the width of the slab
Three-fourth of the width of the slab
Two-third of the width of the slab

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