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The height of the free fall in sample in standard penetration test is ___________

The height of the free fall in sample in standard penetration test is ___________ Correct Answer 75 cm

In standard penetration test, the thick wall split-tube sampler is driven into the undisturbed soil at the bottom of the hole under the blows of a 65 kg drive weight with a free fall of 75 cm or 30 inches.

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Statement I A hypothesis test for comparing the variances of two independent populations with the help of variances of two small samples is known as chi-square test.
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