UPSC Civil Service Exam Questions - Engineering

Q1:

If the settlement of a single pile in sand is denoted by S and that of a group of N identical piles (each pile carrying the same load) by Sg, then the ratio Sg/S will

A be equal to 1 irrespective of width of the group

B be equal to N irrespective of width of the group

C decrease as the width of the group increases

D increase as the width of the group increases

ANS:D - increase as the width of the group increases

For sandy soil ratio will be >1.

For clayey soil ratio will be <1.