Building Construction
The taper of precast concrete pile should not be more than

5 cm per metre length
4 cm per metre length
1 cm per metre length
2 cm per metre length

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Building Construction
Auger boring

Is the most primitive method for making a hole in the ground
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

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