Building Construction
Depth of lean concrete bed placed at the bottom of a wall footing, is kept

Equal to its projection beyond wall base
15 cm
10 cm
Less than its projection beyond wall base

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Building Construction
Pick up the correct statement about silt soil from the following:

The least plastic type normally consists of more or less equidimensional grains of quartz
The silt soil has particle size from 0.02 mm to 0.06 mm
In organic fine grained silt soil possesses no plasticity
All listed here

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Building Construction
Grillage foundation

Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
Is light and economical
All listed here

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