Download Aptitude Crack
img not found img not found

UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following steps :
1. Driving sheet piles surrounding a vibration-receiving structure.
2. Digging a trench around a source of vibration.
3. Placing rubber mountings between a machine causing vibration and its base. Active isolation of vibration can be achieved by

A 1 and 2

B 1 and 3

C 2 and 3

D 3 alone

ANS:B - 1 and 3

No answer description is available.