As per IS code, the frequency ratio (ratio of operating frequency of a machine to the natural frequency of soil) should not be within the range of

As per IS code, the frequency ratio (ratio of operating frequency of a

1.	As per IS code, the frequency ratio (ratio of operating frequency of a machine to the natural frequency of soil) should not be within the range of
A.	0.5 to 1.5
B.	1.0 to 2.5
C.	1.5 to 3.0
D.	3.0 to 6.0
Answer» B. 1.0 to 2.5

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As per IS code, the frequency ratio (ratio of operating frequency of a machine to the natural frequency of soil) should not be within the range of

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