Consider the following statements:1. Dynamic resistance of a soil is not much different from its static resistance2. The most comprehensive pile driving formula is Hiley’s formula3. Pile driving formulae are more useful if the subsoil consists of coarse grained soils.Which of the above statements are correct?

Consider the following statements:1. Dynamic resistance of a soil is n

1.	Consider the following statements:1. Dynamic resistance of a soil is not much different from its static resistance2. The most comprehensive pile driving formula is Hiley’s formula3. Pile driving formulae are more useful if the subsoil consists of coarse grained soils.Which of the above statements are correct?
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» D. 1, 2 and 3

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