Building Construction
Pick up the commonly adopted geophysical method in civil engineering from the following:

Electrical resistivity method
Both (A) and (B) of the above
The seismic method
Gravitational method

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Building Construction
Rotary drilling

Hinders the ground water observations and permeability test
Is not suitable for deposits containing very coarse gravel
All listed here
Is not economical for holes of less than 10 cm

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Building Construction
Single Flemish bond consists of

Double Flemish bond facing and English bond backing in each course
English bond facing and double Flemish bond backing in each course
Stretcher bond facing and double Flemish bond backing in each course
Double Flemish bond facing and header bond backing in each course

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