Building Construction
The depth of the ground water table may be ascertained by

Looking through the well in the vicinity
Standing on the well in the vicinity
None of these
Measuring the depth of water in the well

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Building Construction
Pick up the correct statements from the following:

All listed here
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
In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water

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