Building Construction
Grillage foundation

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

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Building Construction
Auger boring

Is generally employed in cohesive and other self soils above water table
Is most economical up-to a depth of 5 meters
All of these
Is the most primitive method for making a hole in the ground

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Building Construction
Pick up the correct statements from the following:

All listed here
In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
Cracks appear on the plastered surface in the form of hair cracks
Excessive thermal variations in the backing or plaster causes the plaster to fall

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