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Question
The total blow required for the second and third 15 cm of penetration in standard penetration test is taken as _____
ekud ços'k ijh{k.k esa nwljs vkSj rhljs 15 lseh ços'k ds fy, vko';d dqy vk?kkr dks bl çdkj fy;k tkrk gS
A.
Seating drive
B.
Penetration resistance
C.
Overburden pressure
D.
Dilatancy/submergence
Answer ( Option B)

Penetration resistance

Solution

In standard penetration test, the first 15 cm of drive may be considered to be a seating drive. The total blows required for the second and third 15 cm of penetration is termed as the penetration resistance N.

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